US2108053A - Broad tape projector - Google Patents

Description

Feb. 15, 1938. E|TZEN 2,108,053

I BROAD TAPE PROJECTOR Original Filed Oct. 15, .1930 4 Sheets-Sheet l INVENTOR Azgwtfli ifiz m. BY 0 ATTORNEY Feb. 15, 1938. A. D. EITZEN BROAD TAPE PROJECTOR Original Filed Oct. 15. 1930 4 Sheets-Sheet 2 Feb. 38. A. D. WEN v 2, 08 053 BROADTAPE PROJECTOR Ojriginal Filed Oct... 15. 1930 4 Sheets-Sheet 3 INVENTOR zgastflfiiziwm ATTORNEY 15, 1938. E|TZEN 2,108,053

BROAD TAPE PROJECTOR Original Filed Oct. 1 5, 1930 4 Sheets-Sheet 4 F% g MTTOM um:

IBYWlOW ATTORN EY Patented Feb. 15, 1938 PATENT OFFICE naoan TAPE raomc'roa August D. Eitzen, Rockville Centre, N. Y., as-

signor to News Projection Corporation, New York, N. Y., a corporation of New York Application 41 Claims.

This invention relates to broad tape projectors in general and more especially to broad tape projectors including an electric typewriter such as a teletype.

Among the objects of the present invention, lt'is aimed to provide an improved broad tape projector in which the printing is iormed transversely of the tape and in which the tape is fed or advanced a line space at a time instead of a character space at a time 'as is the case with the narrow tape projectors.

It is still another object of the present invention to provide an improved broad tape projector, including an electric typewriter such as a teletype or the like, in which the tape or paper platen istransversely movable or shiftable' to facilitate the impression of upper and lower case type.

It is still another object of the present invention to provide an improved broad tape projector, including an electric typewriter such as a teletype or the like, in which the paper or tape platen is shiftable transversely to receive upper case type impressions and in which the tape at the light P aperture is anchored during such shifting actionf and only movable when the tape is advanced or fed a line space at a time.

It is still another object of the present invention to provide an improved broad tape projector, including an electric typewriter such as a teletype or the like, in which the type basket is movable longitudinally oi the platen and the platen of vthe tape or paper platen remains s tationary during the printing action and the platen movement at all times, except when the same is fed a line space at a'time, simultaneously with the line space feeding of the electric typewriter. It is still another object of the present invene tion to provide an improved broad tape projector, including a printing mechanism such as a teletype, in which the paper is fed a line space at a time and in which tape drawing means are provided for drawing the tape through the light aperture a line space at a time, simultaneously with the line space movement of the printing mechanism but at a little faster rate of speed so as to compensate for the tension a: the tape and thus retain the tape taut and smooth in the projecting position both during the period of movement and the-period of rest.

The present invention also aims to provide an improved broad tape projecting machine in which the beam of light from the light aperture is di- October '15, 1930, Serial No. 488,724 Renewed October 10, 1988 rected to the screen across the lamp housing and in which means are provided for eliminating the heat wavestransmitted to the air above the lamp housing in the path 01' movement of the light beam.

The present invention also aims to provide an improved broad tape projector including an electric typewriter such as a teletype or the'like used as the transmitter and a tape receiving gauge or guide whereby the transmitter may at all times be apprised of the location 01' the projected matter on the screen. i

The present invention still further aims to provide an improved broad tape projector including a printer having a platen atthe upper end thereoi from which thetape passes after printing and is projecting mechanism extending across the printer having a light aperture adjacent to said platen and having a focal axis inclined to said platen to facilitate locating the light aperture adjacent to the platen.

It is still another object of the present inven tion to provide an improved broad tape projector including a printer having a tape discharge at its upper end and a projecting mechanism pivot- 'ally mounted relative to said printer to extend across the same in a projecting position and to be raised out of the way of the printer to aii'ord access to such printer.

Specifically, it is also an object oi the present invention to provide an improved tape drawing means associated with an electric typewriter such as a teletype or the like for drawing tape a line space at a time through a light aperture in synchronism with the tape feed of the electric typewriter.

These and other features, capabilities and advantages of the invention will appear from the subjoined detail description of one specific embodiment thereof illustrated in the accompanying drawings inwhich Figure 1 is an end elevation 01' a projecting machine made according to the present invention;

Fig. 2 is an enlarged longitudinal section of the mechanism supporting-the projecting lamp, .optical system and the like;

' Fig; 3 is a section on the line 33 of Fig. 2;

Fig. 3a is a iragmental detail on the line Sex-4a of Fig. 3;

Fig. 4 is a section on the line H 01' Fig. 3; Fig. 5 is a fragmental .perspective of the escapement for the tape drawing means:

Fig. 6 is a diagrammatic end elevation showing a transmitter asassociated in the present invention Fig. "7a is a plan view of theportion of tape projected in the guide on the transmitter;

Fig. 7b is a plan view of the portion of the screen showing the projected area corresponding to the area of the tape portion shown in Fig. 7a;

Fig. 8 is an enlarged plan view of the gauge formed on the transmitter and showing the tape exposed therein;

Fig. 9 is an end elevation of the guide shown in Fig. 8 and Fig. 10 is a section on the line II6 of Fig. 9.

In the embodiment shown, there is provided an electric typewriter, such as the teletype. I, mounted on the platform 2 of the table 3. 'The typewriter I illustrated in Fig. 1 may be either the receiver or the transmitter. In Fig. 6 the typewriter I is the receiifer and the typewriter 4 is the transmitter whichare connected to one another by any suitable wiring 6.

At the rear of typewriter I shown in Fig. i, there are provided in the present instance two supporting side walls 1 and 8 which have rear upwardly extending arms Shaving front inclined faces III continuing into the upper inclined faces II of the side walls 1 and 8. The

front upper'ends of the side walls 1 and 8 are recessed at I2 to receive the pins I3 formed at the front lower end of the lamp housing l4 and provided with thumbscrews I5 for anchoring the lamp housing to the side walls 1 and 3 when the lamp housing is in its downwardly inclined position as indicated in Figs. 1 and 2. The sides of the rear lower end of the lamp housing I4 are pivotally connected to the side walls -1 and 8 adjacent to the rear edges of the side walls 1 and 3 by the pins l6. When access to the'typewriter I is desired, it is only necessary to loosen the thumbscrews I5 and swing the lamphousing 14 around its pins I6 until the pins I3 engage the faces III of the arms 9.

In order to adjust the position of the lamp housing I4 at the inclination desired, the set screw I1 is provided journaled in the bearing I8 connected to the side wall 1. The free upper end of the set screw I1 thus supports the lamp housing I4 in its downwardly inclined position, it engaging the front end of the lower wall IQ of the lamp housing I4 as shown in Figs. 1 and 2. It may be desired to have another set screw, such as the set screw I1 attached to the side wall 6 to engage the other side of the front end of the bottom wall of the lamp housing l4.

The rear wall 20 of the lamp housing I4 is provided with the usual heat deflecting baflle plate 2| and a supporting arm 22 for the reflector 23. The reflector 23 is provided with a fixed plate 24 at its front end provided with an aperture 25 to permit the beam of light from the lamp 26 to pass to the reflector 23 and be reflectedoutwardly onto the condenser lens 21 on the front wall 28 of the lamp housing I4, the beam of light from the reflector 23 and lamp 26 passing through the aperture 29 of the-wall 28 to the condenser 21. The front wall 28 of the lamp housing is similarly provided with a heat deflecting baffle plate 30' which is recessed to permit the light rays from the lamp 26 and reflector 23 to pass therefrom to the condenser 21. Lamp 26 as shown in Fig. 2 is mounted in the socket 3| formed near the front end of the wall I9. The wall I3 as shown in Fig. l is perforated to permit the air from the outside to enterv the lamp housing. The upper end of the lamp housing I4 is provided with an inverted V-shaped cover member 32 also provided with a heat deflecting bailie plate 33.

sion housing 36 having at its upper end a second or intermediate condenser or lens 31 to receive the light rays from the condenser lens 21. The lower end of the condenser 31 is cut off as shown substantially along the lower edge of the column of light rays coming from the condenser 21 whereby clearance is formed for the path of the tape without afiecting the operation of the condenser 31- To the .front of the condenser 31, there is formed a second extension 36, at the front end of which there is secured the third condenser lens 36 extending toward the condenser lens 31 and having its lower end cut oif substantially along the line of the lower edge of the column of iight rays as they are refracted by the condenser 39 so that no useful part of the lens is cut off and the extension 38 may be cut off further to clear the path of the tape T and in the present instance also the path of movement of the typewriter platen 46 mounted in the usual way at the upper end of the typewriter I. The front end of the extension 36 is provided with a light baflie shield 4| having a light aperture 42 corresponding to the portion of the cone of light at the exit end of the lens 39 to conform to the light beam passing through said lens 39.

At the outer end of this shield, there is provided a tape guide 43 to receive the tape from the platen 46 to permit its passage up above the upper edge of the extension 33 to the tape pulling mechanism 44 and from there under the roll- 51. The other end of the mandrel 51 is pro-- vided with a disc 53 and brakedrum 69 to receive the bearing pin 63 extending through the bracket 6| similar to the bracket 46 and also mounted on the upper wall of the extension 36. The

brakedrums 55 and 69 in the present instance are in position to be engaged by the brakeshoes 62 formed-on the arms 46. The shoes 62 are frictionally pressed into engagement with the drums 55 and 59 to anchor the mandrel 51 against rotation when the finger 46 is raised by the taking up of the slack in the tape when the tape comes to rest. Connected to the front upper end of the extension 36, there is formed an arm 63 to the front end of which there is formed an objective lens holder 64v for carrying an-objective lens through which the light beam passes from the condenser 39 to the mirror 65 supported on the bracket 66 pivotally mounted at 61 in the extension 63; From the mirror or deflector 65 the light rays and images are directed upwardly onto the mirror or deflector 69, see Fig. 1 from which the projected 'beam of light is projected onto the rear face of the screen 10.

From the foregoing, it will be seen that the beam of projected light passes across the lamp housing l4 when passing from the mirror 63 to the screen Ill. The ventilating means, to wit the chimney extension 36 in the present instance for withdrawing the heated air from the top of the lamp housing l4 and directing it to one side of the path oi movement of the projected light rays,

preserves the air in the path of movement of the projected light rays in a normal condition of rest as distinguished from the wavering condition resulting when the air is subjected to unusual heat such as would be transmitted by' the lamp housing ii the heat were not drawn oil. This provision is particularly important since such resulting heat waves affecting the atmosphere through which the projected light rays pass will cause the resulting light rays to have transmitted to them the same wavering, vibrating condition in turn to cause the projected images to flicker or vibrate on the screen.

The means 'for drawing the tape through the light aperture in synchronism with the tape feeding of the typewriter is an important part of the present invention and will now be described.

The electric typewriter I in the present instance is of the type well known in which the basket of type moves longitudinally of the platen 48 during the printing 'action and the platen "48 remains at rest throughout this printing action except when it is desired to impress an upper case type. In other words, the type bars are each provided with two sets of type which for convenience may be designated as lower and upper case type. When the platen is in its normal position, it is in a position to receive an impression from the lower case type. In order to effect printing with an upper case type, the

platen in the present instance is shifted upward.- ly. Due to the fact that the tape in the light aperture must be maintained smooth and taut when the images are projected, provision is made to prevent the movement of the tape at the light aperture when. the platen moves in order to prevent the transmission of the images therefrom when located at the light aperture.

For advancing the tape T a line space in synchronism with the typewriter I, resort is here had to the movement of the line feed bell crank ll of the typewriter, see Figs. 2 and 3. Wheni ever the platen of the typewriter l is actuated to advance the tape T a line space the bell crank H is depressed .in the direction of the arrow 12. In order to take advantage of this motion, there is provided a bracket I3 secured to the platform 2 by the thumbscrew I4 and having a short spring abutment l5 and having also pivotally mounted at its upper end the lever 16, the short arm of which is connected by the spring 11 with the abutment I5, and the long arm of which is'urged into engagement with the line feed bell crank H see Fig. 3. The long arm of the lever 16 is pivotally connected to the link 18 having the extensible portion 18 which is pivotally connected to the lever 18 which is in turn pivotally connected at 80 to the bracket 8| fixed to the housing extension 36. The free end of the long arm of the lever 18 has a ball and socket connection 82 with one end of .the bracket 83 pivotally connected at 84 to the housing extension 38. The upper end'in the present instance of the bracket 83 is pivotally connected to the pawl 85 which is urged into engagement with the ratchet wheel 86 by the spring 81 connecting the pawl 85 with the bracket 88. The ratchet wheel 86 is provided with a latch 88 maintained in engagement with the ratchet wheel 86 by the spring 88 to cooperate with the pawl 88 to form a step by step escapement, that is the ratchet wheel 86 will be only advancedone tooth at a time by the pawl 86, the latch 88 will anchor the ratchet wheel 86 against reverse rotation and the pawl 85 will engage the teeth of the ratchet wheel 86 to anchor it against advance movement when it, the pawl 86, is at rest.

The ratchet wheel 86 is fixedly connected to the rubber covered feed roller 88 which is Journaled in the brackets 8| and 82. The tape or paper T is maintained in engagement with the roller 80 by the pressure rollers 93, 84, and 85 'journaled on the levers 86, pivotally mounted on the rod 81 secured to the upper'ends of the brackets 8| and 82. The levers 86 are provided with springs 88 connected to the rod 81 to urge the pressure rollers 83, 84 and 85 into engagement with the tape or paper T and press it into frictional engagement with the roller 88. For withdrawing all of the pressure rollers 83, 84 and 85 out of engagement with the tape for the purpose of adjustment or for the purpose of threading a new roll of tape or the like, the U-shaped bracket 88 is provided pivotally connected at its arms to the rod 81 and with its bail in position to engage the lower edges of the levers 96 of the pressure rollers. One arm of the bracket 98 is extended to form the arm Hill by means of which the bracket 88 may be manipulated to withdraw the pressure rollers 83, 84 and 85.

From the foregoing, it will thus be seen that the tape T passes from the supply roll llll mounted on the rear upper end of the typewriter I below the housing extension 35, then passes over idler I02 journaled in the brackets "13 extending upwardly from the typewriter I, then down and around the platen 40, thereupon under the guide 43 and across the light aperture and the condenser lens 38 up to and over the feed roller 80, then under the pressure rollers 83. 84, and 85, then under the finger 45, and then to the mandrel 51 of the rewind reel R. From the foregoing, it will bev seen that whenever the platen 48 be taken up to bring the paper T into smooth,

and taut condition at the light aperture 42.

As aforesaid, the typewriter I is of the character in which the platen 40 is transversely actuated when it is desired to form a printed impression of a type of ,the upper case. For this purpose, see particularly Fig. 1, a clearance is formed above the platen 4D to permit the same to be raised when a printing impression of an upper case is to be made. The dash and dot position in Fig. 2 indicates the raised position of the platen 4D in which case it will be noted that a loop I04 isformed between the .platen 40 and the lower edge of the housing extension '38. So that this loop or slack will not cause a v bration to be transmitted to the tape portion at the light aperture 42, means are provided for anchoring discs engaging the tape T both at the entrance side to the light aperture 42 and at the exit side thereof. At the entrance side, there is provided the shaft I05 journaled in the slots I04 at the lower ends of brackets I01. The shaft I05 has formed thereon a plurality of discs I00 which are so positioned relative to one another and to the positioning of the type shown in typewriter I, that they may engage the tape between the type impressions thereon so that under no circumstances will the discs I00 cause the ink 'of the type impressions on the paper '1 to be blurred -or smeared, the lines I00 indicating the path of movement of the discs I00 relative to the printed matter IIO printed on the tape. As indicated in Fig. 3, the paperT preferablypasses' over the ledge III provided with end brackets H2 and I I3 secured to the sides of the extension housing 38, and the discs I08 press the paper T into-,engagementwith such ledge III. At the exit side of the light aperture 42, there is provided the shaft II4 joumaled in the slots H4 in the upper ends of the brackets I0I and the side walls of the housing extension 00. .The shaft 4 is pro- I the light aperture will be immaterial. vFor fricvided with the discslli which are also spaced relative to one another and to the spacing of the type impressions on the tape '1 so that thesame will pass between the divisions of the letters. Obviously it'is not so essential to have the discs IIB as carefully spaced with regard to the divisions between the letters as the discs I00 are spaced since the paper T may not be used after' passing the light aperture and consequently the slight blurring of the characters at this end of tionally urging the shaft I05 with its discs I00 and the shaft II4 with its discs II5 into engagement with the paper '1 to anchor the same against displacement and against vibration as for instance by movement of the platen 40, the springs H0 and II! are provided secured in place by the nuts 0 and I I0 with the upper arms of the springs IIS and I I1 each engaging and urging the ends of the shaft I I4 inwardly and the lower arms of the springs H0 and III engaging and urging the ends of the shaft I05'inward1y.

The inclination of the lamp housing I4 and housing extensions 00 and ll'are'important. By

means of this inclination and the cutting of! of the lower edges of the lenses 00 and I1, particularly the inclined cut of the lower end of the lens 39, the lower edge of the light aperture 42 may be located within a few line spaces of the printing point on the platen so that a minimum 1 number of line spaces will be waiting on the tape the screen and thus the matter projected.

between the timeof printing and the time of projection whereby the projection of the printed matter may take place almost immediately after being printed.

When a transmitter 4 as shown in Fig. 6 is used remote from the place of projection or places. of projection, the operator of the transmitter 4 will of course not be in a position to see order to provide such operator with means whereby he may be in a position to follow the matter projected and thus be in a position to control the message to be projected by the line spacing of the transmitter, the-present invention has'provided a gauge. This gauge consists essentially of,the frame I20, Fig. 8, the aperture I2I of which will be formed to contain the length of line and number of lines of printed matter which can be effectively projected on the screen I0. This frame I20 is adjustably mounted on the brackets I22 and I20 secured to the typewriter 4 above' the platen 40 as indicated in Fig. 6. The frame I20 as indicated in Figs. 9 and 10 consists of U-shaped channels I24 at the sides thereof to receive the edges of the tape T, the

upper wall of which frame I20 extends transversely across the frame from one channel to the other to formthe lower entrance side wall I25 and the upper exit side wall I20. Set screws I 21 and I20 are provided on the brackets I22 and I20 to anchor the frame I20 on the typewriter 4 a distance removed from the platen 40 corresponding to the position of the light aperture 42 on the receiving machine I. These positions will of course be predetermined. The transmitter 4 will preferably also be provided with a tape controlling mechanism to maintain the tape T smooth and taut in the gauge I20. I'referably the transmitter 4 will be substantially a duplicate of the receiving machine I,'havi'n'g both the tape guide 43 cooperating with the gauge I20 and a tape pulling mechanism such as the feed roller 00 and pressure rollers 00, 94 and 05.

It is obvious that various changes and modifications may be made to the details of construc-' tion without departing from the general spirit of the invention as set forth in the appended claims.

I claim: Y 1. The combination with the light aperture a projecting machine of a broad tape, a printer for printing a plurality of lines of printed matter on said tape and including means for feeding the tape a line space at a time upwardly out of the printer after the completion of each line of printed matter, said light aperture being disposed directly above said printer at the tape discharge end of said printer, a condensing lens being disposed adjacentto said light aperture with a segment cut from the lower side of effective focusing area of said lens to clear said printer and yet permit location of the light aperture directl'y above the printer at the tape discharge end thereof, and means for drawing the tape through ,said light aperture from the tape discharge end of said printer.

2 The combination with the light aperture of a projecting machine, of a broad tape, a printer for printing a plurality of lines of printed matter on said tape and including meansfor feeding the tape'a line space at a time upwardly out'of the printer after the completion of 1 each line of printed matter, said light aperture being ,disposed directly above said printer at the tape discharge end of said printer, a condensing lens being disposed adjacent to said light aperture with a segment cut from the lower side of the effective focusing area of said lens to clear said printer and yet permit location of' the light aperture directly above the printer at thetape discharge end thereof, means for drawing the tape through said light aperture from the tape discharge end of said printer, and means for anchoring the tape at said light aperture against displacement when the line space feeding means is at rest.

3. The combination with the light aperture of a projecting machine,of a broad tape, a printer. for printing a plurality of lines of printed mat-- ter on said tape and including means for feeding the tape a line space at a time upwardly out of theprinter after the completion of each line of printed matter, said. light aperture being disposed directly above said printer at the tape discharge end of said printer, a condensing lensbeing disposed adjacent to said light aperture with a segment cut from the lower side of the effective for printing a plurality of lines of printed mat- 1 focusing area of said lens to clear said printer and yet permit location of the light aperture di rectly above the printer'at the tape discharge end thereof, means for drawing the tape through said light aperture a line space at a time, and meansfor connecting said printer to said drawing means to actuate said drawing means in synchronism with said feeding means.

4. The combination with the light aperture of a projecting machine, of a broad tape, a printer for printing a plurality of lines of printed matter on said tape and including means forfeeding the tape a line space at a' time upwardly out of the printer after the completion of each line of printed matter, said light aperture being disposed directly above said printer at the tape discharge end of said printer, a condensing lens being ,disposed adjacent to said light aperture with a segment cut from the lower side of the effective focusing area of said lens to clear said printer and yet permit location of the light aperture directly above the printer at the tape discharge end thereohmeans for drawing ,the tape through said light aperture a line space at a time,means for connecting said printer to said drawing means to actuate said drawing means in synchronism with said feeding means, and means for anchoring said tape in said light aperture against displacement when said feeding means is at rest.

5. The combination with the light aperture of a projecting machine, of a broad tape, a printer for printing a plurality of lines of printed matter on said tape with one set of characters or letters and including means for feeding the tape a line space at a time out of the printer after the completion of each line of printed matter and a platen shli'table transversely for printing another set of characters. or letters, said light aperture being disposed directly above said platen and spaced therefrom sufflciently to clear the platen during its shifting movement, a condensing lens being disposed adjacent to said light aperture with a segment cut from the lower side of the effective focusing area of said lens to clear said printer and yet permit location of the light aperture directly above the printer at the tape discharge end thereof, means for drawing the tape through said light aperture from the platen, and means for anchoring the portion of the tape in the light aperture against displacement when said platen is shifted.

6. The combination with the light aperture of a projecting machine, of a broad tape, a printer for printing a plurality of lines of printed matter on said tape andincluding means for feeding the tape a line space at a time upwardly out of the printer after the completion of each line of printed matter, said printer having a platen shiftable transversely into two positions for printing two sets of characters or letters according to the position of the platen, said light aperture being disposed directly above said platen but spaced therefrom to allow for the shifting of said platen, a condensing lens having its plane face alined with the rear face of said light aperture and having a segment cut oil from the lower end of the eflective focusing area of said lens to form a plane adjacent and parallel to said platen, means for drawing the tape through said light aperture from said platen, and means for anchoring the tape in said light aperture immune to the vibration transmitted to the tape by the said platen.

"I. The combination with the light aperture of a projecting machine, of a broad tape, a printer ter on said tape and including means for feeding the tape a line space at a time upwardly out of the printer after the completion of each line of printed matter, said printer having a platen shiftable transversely into two positions for printing two sets of characters or letters according to the position of the platen, said light aperture being disposed directly abovesaid platen but spaced therefrom to allow for the shifting of said platen, a condensing lens having its plane face alined with the rear face of said light aperture and having a segment cut off from the lower end of the effective focusing area of said lens to form a plane adjacent and parallel to said platen, means for drawing the tape through said light aperture, one line space at a time, means for connecting said drawing means to said printer to actuate said drawing means in synchronism with said feeding means, and means for anchoring said tape in said light aperture immune to the vibrations transmitted to the tape by said platen.

8. The combination with a broad tape, of a printer for printing a plurality of ,lines of printed matter on said tape and including means for feeding the tape a line space at a time upwardly out of the printer-after the completion of each line of printed matter, a support, and a projecting machine being connected by a horizontal pivot to said support'an-d having a light aperture disposed directly above said printer at the tape discharge end of said printer when said projecting machine is swung down into projecting position, said pivotal connection facilitating the swinging of said projecting machine upwardly out of projecting position and away from said printer to afford access to said printer.

9. The combination with the light aperture of a projecting machine, of a broad tape, a printer for printing a plurality of lines of printed matter on said tape and including means for feeding the tape a line space at a time upwardly out of the printer after the completion of each line of printed matter, said light aperture being disposed directly above said printer at the tape discharge end of said printer, a-condensing le'ns having its plane face alined with the rear face of said light aperture and inclined downwardly in a forward direction and having a segment cutfrom the lower end of the effective focusing area of said lens to form a plane perpendicular to a vertical plane to clear said printer and yet permit location. of the lightaperture directly above the discharge end of said printer, and means for drawing the tape through said light aperture from the tape discharge end of said printer, the focal axis of said light aperture being inclined downwardly in a forward direction toward the printing location of said printer so that the light aperture may be disposed in close proximity to the printing location. v

10. The combination with the light aperture of a, projecting machine, of a broad tape, a printer having a platen at the upper end thereof for supporting the tape while printing a plurality of lines of printed matter on said tape and including means for feeding the tape a line space at a time upwardly off the platen after the completion of each line of printed matter, a condensing lens having its plane face alined with the aperture for receiving the tape from said printer,

plane parallel to said platen, said light aperture having; a focal axis inclined to said platen so that said light aperture may be disposed directly adjacent to the printing location of said platen.

11. The combination with the light aperture of a projecting machine, of a broad tape, a printer having a platen at the upper end thereof for supporting the tape during theprinting operation and including means for feeding the tape a line space at a time upwardly oil. theplaten after the completion of each line of printed matter, a condensing lens having its plane-face alined with the rear face of said light aperture and inclined downwardly in a forward direction and having a segment cut on from the lower end of the effective focusing area of said lens to form a plane parallel to said platen, the focal axis of said light aperture being inclined downwardly 'into close proximity to the printing location of said platen.

12. A projecting machine'adapted for use with a printer having a platen at the upper end thereof and having a lampand optical system, including a light aperture and a condenser lens corresponding to the direction of the.cone of light, said condenser lens having its plane face alined with the rear face of said light aperture and inclined downwardlyin a forward direction and having a .zegment cut oil from the lower end of the effective focusing area of said lens to form a plane perpendicular to a vertical plane to clear the discharge end of said printer and yet permit location of the light aperture directly above the discharge end thereof. the focal axis of said optical system being inclined to said platen to facilitate disposing the light aperture directly above and adjacent to the platen.

13. A projecting machine' including a lamp,

a screen, an optical system, said optical system including a deflector for directing the images across the upper edge of said lamp to said screen,

and means for withdrawing the heated air from said lamp and direct such air to a level above the path of the light rays from said deflector to said screen to protect the path of the images above said lamp from distortion due to heat waves that might otherwise pass upwardly from said lamp.

14. A projecting machine including a screen,

a lamp housing, a lamp in said housing, a light an optical system'for directing the projected images across the lamp housing to said screen, and a chimney connecued to the upper end of said lamp housing to withdraw the heated air from said lamp housing and extending up above the path of images to discharge such heatedair above such path of images and thus protect the path above the lamp housing from transmitting heat waves to distort the projected images.

one of said abutments, the other of said abutments supporting the projecting machine when swung out of projecting position to aflord access to said printer. v

18. The combination with the light line of printed matter, said light aperture disposed adjacent.to the tape discharge end of said printer, and means for anchoring the portion of the tape at said light aperture against accidental displacement-and including a swing pressed rod having a pluralityv of discs thereon for engaging the tape at the entrance end of said light aperture.

17. The combination with the light aperture of a projecting machine, of a broad tape, a printer for printing a'plurality of lines of printed matter on said tape and including means for feeding the tape a line space at a time upwardly out of the printer after the completion of each line of printed matter, said light aperture disposed adjacent to the tape discharge end of said printer, and means for anchoring the portion of the tape at said light aperture against accidental displacement and including spring pressed rods at the entrance end and exit end of the light aperture, each rod having a plurality of discs formed thereon for engaging the tape.

is. The-combination with the light aperaturc of a projecting machine, of a broad tape, a printer for printing a plurality of lines of printed matter on said tape and including means for feeding the tape a line space at a time upwardly out'of the printer after the completion of each line of printed matter, said light aperture dis-.

posed adjacent to the tape discharge end of said printer, and means for anchoring the portion of the tape at said light aperture against accidental displacement and including spring pressed rods at the entrance end and exit end of the light aperture, each rod having a plurality of discs formed thereon for engaging the tape,

printing receiver associated with a projecting machine may be advised of the location of the projected images of the printed matter on the screen of such remotely located projecting machine, in combination with a printing transmitter, a printing receiver operated by said transmitter to produce like impressions, and the light aperture. of a projecting machine for receiving the impressions produced by said receiver, consisting in a framed area for receiving impressions produced by the transmitter to be there readily exhibited to the operator of the transmitter as the impressions are being produced, 'the' relative dimensions of suchframed area corresponding proportionately to the relative dimensions of the light aperture of the projecting machine, and the relative position of the framed area to the transmitter corresponding proportionately to the relative position of the light aperture to the receiver so that the impressions in the framed area'may correspond with the impressions appearing at the light aperture.

whereby vthe operator of the transmitter can be informed and guided as to the images pro- I duced at the light aperture of the projector.

20. A guiding mechanism adapted for use with a news projecting system whereby the operator of a printing transmitter remotely controlling a printing receiver associated with a projecting machine may be advised of the location of the projected images of the printed matter on the screen of such remotely located projecting machine, in

combination with a printing transmitter, a printing receiver operated by said transmitter to produce like impressions, and the light aperture ofa projecting machine for receiving the impressions produced by said receiver, consisting in a framed area for receiving impressions produced by the transmitter to be there readily exhibited to the operator of the transmitter as the impressions are being produced, the relative dimensions of such framed area corresponding propor tionately to-the relative dimensions of the light aperture of the projecting machine, and the relative position of the framed area to the transmitter corresponding proportionately to the relative position of the light aperture to the receiver, and means for adjusting the position of said framed area so that the' impressions in the framed area may correspond with the impressions appearing at the light aperture whereby the operator of the transmitter can be informed and guided as to the images produced at the light aperture of the projector.

21. A guiding mechanism adapted for use with a news projecting system'whe-reby the operator of a printing transmitter remotely controlling a printing receiver associated with a projecting machine may be advised of the location of the projected images of the printed matter on the screen of such remotely located projecting machine, in combination with a printing transmitter, a printing receiver operated by said transmitter toproduce like impressions, and the light aperture of a projecting machine for receiving the impressions produced by said receiver, consisting in a framed area for receiving impressions produced by the transmitter to be there readily exhibited to the operator of the transmitter'as the impressions are being produced, the relative dimensions of 'such framed area corresponding proportionately to the relative dimensions of the light aperture of the projecting machine, and the a relative position of the framed area to the transmitter corresponding proportionately to the relative position of the light aperture to the receiver, and means for adjusting the positions of said framed area and light aperture so that the impressions in the framed area may correspond with the impressions appearing at the light aperture whereby the operator of the transmitter can be informed and guided as to the images produced at the'light aperture of the projector.

22. A guiding mechanism adapted for use with a printing transmitter, a printing receiver operated by said transmitter to produce like impressions, and the light aperture of a projecting machine for receiving the impressions produced by said receiver, consisting in a frame for receiving a predetermined area of printed matter from the transmitter to'be there readily exhibited to the operator of the transmitter as the impressions are being produced, the relative dimensions of such frame corresponding proportionately to the relative dimensions of the light aperture of the projecting machine, and the relative position oi the frame to the transmitter corresponding proportionately to the relative position of the light aperture to the receiver so that the impressions appearing in the frame may correspond to the impressions appearing at the light aperture.

23. A guiding mechanism adapted for use with a printing transmitter for successively printing a plurality of lines of impressions, a receiver operated by said transmitter, and the light aperture,

of a projecting machine for receiving the successive corresponding lines of impressions produced by said receiver, consisting in a framed area for receiving a succession of lines of impressions from the transmitter to be there readily exhibited to the operator of the transmitter as the impressions are being produced, the relative dimensions of such framed area corresponding proportionately to. the relative dimensions of the light aperture of the projecting machine, and the relative position of the framed area to the transmitter corresponding to the relative position of plurality of lines of impressions on a strip of paper, a receiver operated-by said transmitter, and the light aperture of a projecting machine for receiving the successive corresponding lines of impressionsproduced by said receiver, consisting in a frame for receiving a predetermined area of the strip of paper printed by the transmitter to be there readily exhibited to the operator of tive dimensions of which correspond proportionately to the'relative dimensions of the light aperture of the projecting machine and the relative position of. the aperture of the frame to the transmitter corresponding proportionately to the relative position of the light aperture to the receiver so that the impressions appearing in the aperture of the frame may correspond to the impressions appearing at the light aperture, the frame also having U-shaped end guides to receive the ,edges of the strip of paper, and means for simultaneously advancing the strips of paper through the aperture of said frame and the light aperture one line space at a time so that the successive lines of printed matter in the aperture of the frame may successively correspond with the lines of impressions at the light aperture.

25. The combination with the light aperture of a projecting machine, of a broad tape, a printer for printing a plurality of lines of printed matter on said tape and including means for feeding the tape a line space at a time out of the printer after the completion of each line of printed matter, said light aperture being disposed directly above said printer at the tape discharge end of said printer, means for drawing the tape through said light aperture from the-tape discharge end of said printer, means for anchoring the tape at said light aperture against displacement when the line space feeding means is at rest, and a yieldable take-up for. taking up the tape as it is discharged from said light aperture, said take-up being yieldable to permit inspection of the discharged tape, said anchoring means also anchor ing said tape at said light aperture against displacement when said take-up is actuated to permit inspection of the tape discharged.

26. The combination with the light aperture of a projecting machine, of a broad tape, a printer for printing a plurality oflines ofprinted matter transversely across said tape and including means-for feeding the tape a line space at a time upwardly out of the printer after the completion oi each line of printed matter, said light aperture being disposed directly above said printer at the tape discharge end of said printer, means for drawing the tape through said light aperture a broad tape a printer for printinga plurality of lines of printed matter transversely across said tape and including means for feeding the tape a line space at a time out of the printer-after the completion of each line of printed matter, means for drawing the tape across said scanning area from the tape discharge end of said printer, a take-up device for taking up the tape as it is discharged from said scanning area, a slippage driv- 'lng device for actuating said take-up device and permit freeing the tape, from said take-up device to inspect the same, and means for anchoring the tape at said scanning area against displacement when said tape is being freed from said take-up device during inspection thereof. v

2B. The combinationwith a scanning area, of a broad tape, a printer for printing a plurality of lines of printed matter transversely across said tape and including means for feeding the tape a line space at a time out of the printer after the completion of each line of. printed matter, means for drawing the tape across said scanning area from the tape discharge end of said printer, a rewind reel for winding up the tapeas it is discharged from said scanning area, a slippage drive for actuating said rewind reel and yieldable to permit unwinding the tape from said reel for inspection, and means for anchoring the tape at said scanning area against displacement when said tape is being unwound for inspection from said rewind reel.

29. The combination with a broad tape, of a telegraphic printer for printing a plurality of suc-' cessive lines of printed matter on said tape and actuating a line spacing control linkage in response to telegraphic code signals, means for drawing the tape through an illuminated area, said means including a tape feeding roller at the discharge end of said illuminated area spaced from said printer, means for tractably pressing the tape into feeding engagement with said feeding. roller, a ratchet wheel fixed to rotate with said feeding roller. a step by step actuator oper atively associated with said ratchet wheel, and an elongated link operatively connecting said linkage to actuate said actuator in turn to feed the tape a line space at a time through said illuminated area.

30. The combination with a broad tape, of a telegraphic printer for printing a plurality of successive lines of printed matter on said tape and including a control for feeding-the tape a line space at'a time after the completion of each line aioaoss spring pressed mum for ,irictionally engaging the tape with said tape feeding roller, a pawl and ratchet device for actuating said tape feeding roller, and an elongated link operatively connecting said printer control with said device for actuating said tape drawing means to feed the tape a line space at a time after the completion of each line of printed matter through said illuminated area.

31. The combination with a broad tape, of a telegraphic printer for printing a plurality of successive lines of printed matter; on said tape and including a control having a bell crank fixed thereto, means for drawing the tape through an illuminated area, said means including a tape I feeding roller beyond the discharge end of said illuminated area,.spring pressed-rollers for tractably pressing the tape into feeding en agement with said tape feeding roller, a ratchet wheel fixed to rotate with said feeding roller, a step by step actuator operatively associated with said ratchet,,and linkage connecting said bell crank to actuate said actuator in turn to feed the tape a line space at a time through said illuminated area.

32. The combination ofa broad tape, a telegraphic printer including means for printing a plurality of successive lines of printed matter on said tape and including a line spacing control .bcth in response to telegraphic code signals,

means for drawing the tape through an illuminated area, a step by step line spacing actuator operatively associated with said drawing means, and means operatively connecting said actuator 'with said control to actuate said actuator in turn to feed the tape a line "space at a time through said illuminated area.

33. The combination with .the light aperture of a projecting machine, of a broad tape, a printer for printing a plurality of lines of printed matter on said tape and including means for feeding the tape a line space at a time out of the printer after the completion of each line of printed matter, means for drawing the tape through said light aperture from the tape discharge end of said printer, means for 'anchoringv the tape at said light aperture against displacement when the line'space feeding means is at rest, and a yieldable take-up for taking up the tapeas it is discharged from said light aperture, saidtake-up being yieldable' to permit inspection of the discharged tape, and said anchoring means also anchoring said tape at said light aperture against displacement when said take-up is actuated to permit inspection of the tape discharged.

34. A guiding mechanism adapted for use with a news projecting system whereby the'operator of a printing transmitter remotely controlling a printing receiver associated with a projecting machine may be advised oi the locationof the projected images of the printed .matter on the screen of such remotely located projecting machine, in combination with a printing transmitter, a printing receiver operated by said transmitter to produce like impressions, and the light aperture of a projecting machine for receiving the impressions produced by said receiver, consisting in a framed area for receiving impressions produced by the transmitter to be there readily exhibited to the operator of the transmittar as the impressions are being produced, the relatlve dimensions of such framed area corresponding proportionatelyto the relative dimensions of the light aperture of the projecting machine so that the impressions in the trained area may correspond with the impressions appearing at the light aperture whereby the operator of the transmitter can be informed and guided as to the images produced at the light aperture of the projector.

35. A guiding mechanismadapted for use with a news projecting system whereby the operator of a printing transmitterremotely controlling a printing receiver associated with a proiecting machine may be advised of the location of the projected images of the printed'matter on the screen of such remotely located projecting machine, in combination with a printing transmitter, a printing receiver operated by said transmitter to produce like impressions, and the light aperture of a projecting machine for receiving the impressions produced by said receiver, consisting in a framed area for receiving impressions produced by the transmitter to be there readily exhibited to the operator of the transmitter as the impressions arebeing produced, the position of the framed area to the transmitter being predetermined relative to the position of the light aperture to the receiver, and means for adjusting the position of said framed area relative to the position of the impressions appearing at the light aperture .whereby the operator of the transmitter can be informed and guided as to the images produced at the light aperture of the projector. 36. The combination with the light aperture of a projecting machine, of a broad tape, a printer for printing a plurality of lines of printed matter on said tape, said light aperture being disposed at the tape discharge end of said printer, a condensing lens disposed adjacent to said light aperture with a segment cut off adjacent one side of the effective focusing areas of said lens to clear said printer and yet permit location of the light aperture directly adjacent to-the tape discharge end of the printer, and means fordrawing the tape through said light' aperture from the tape discharge end of said printer in a direction transverse to the direction of the lines of printed matter. x

37. The combination with the light aperture of a projecting machine, of a broad tape, a printer for printing a plurality of lines oi! printed matter on said tape, said light aperture being for drawing the tape a line space at a time across said light aperture.

as. The combination with the light aperture of a projecting machine, 01' a broad tape, a

printer for pr inting a plurality of lines of printed matter on said tape and having a platen shittable transversely into two positions for printing two sets of characters or letters according to the position of the platen, said light'aperture being disposed directly. adjacent to said platen but spaced therefrom to allow'ior the shifting of said platen. a condensing lens disposed adjacent to said light aperture with a-segment cut oil adjacent to one side of the. effective focusing area of said lens to form a plane adjacent and parallel to said platen, and means for drawing the tape a line space at a time across said light aperture.- r

39. The combination of a broad tape, a telegraphic printer including meansfor printing a plurality of successive lines of printed matteron said tape and including a.line teed bell crank both in response to telegraphic code signals, means for drawing the tape through an illuminated area, a step by step line spacing actuator operatively associated with said drawing means, and means operatively connecting said actuator with said bell crank to actuate said actuator in turn to feed the tape a line space at a time through said illuminated area.

40. The combination of a broad tape, a telegraphic printer including a platen for receiving and line spacing the tape, said printer also including means for printing a plurality of successive lines of printed matter on the tape and a line spacing control for the platen in response to telegraphic code signals, means for drawing the tape through the illuminated area at a faster surface speed than that transmitted to the tape by said platen, a line-spacing actuator opera-- tively associated with said drawing means, and means operatively connecting said actuator with said control to actuate said actuator in turn to feed the tape a line space at a time through said illuminated area. a

41. The combination of a broad tape, a telegraphic printer including a platen for receiving and line spacing theftape. said printer also including means for printing a plurality of successive lines of printed matter on the tape and a line spacing control for the platen in response to telegraphic code signals, means for drawing the tape through an illuminated area, said drawing means transmitting a faster suri face speed to said tape than that transmitted to the tape by said platen to maintain the tape smooth at said illuminated area, a line spacing actuator operatively associated with said drawing means, and means operatively connecting said actuator with said control to actuate said actuator in turn to'feed the tape a.line space at a time through'said illuminated area.

AUGUST D. EITZEN.

DISCLAIMER 2,108,053.August D. Eitzen,Rockvi1le Centre, N. Y. BROAD TAPE Pnomc'roa. Patent dated Februar; 15, 1938. Disclaimer filed August 28, 1941, by the assignee, News PTOjGOtiOIt Gorporation.

Hereby enters this disclaimer to claims 32, 36, and 37 [Ofl'icial Gazette September 30, 1941.]

of said patent.

chine so that the impressions in the trained area may correspond with the impressions appearing at the light aperture whereby the operator of the transmitter can be informed and guided as to the images produced at the light aperture of the projector.

35. A guiding mechanismadapted for use with a news projecting system whereby the operator of a printing transmitterremotely controlling a printing receiver associated with a proiecting machine may be advised of the location of the projected images of the printed'matter on the screen of such remotely located projecting machine, in combination with a printing transmitter, a printing receiver operated by said transmitter to produce like impressions, and the light aperture of a projecting machine for receiving the impressions produced by said receiver, consisting in a framed area for receiving impressions produced by the transmitter to be there readily exhibited to the operator of the transmitter as the impressions arebeing produced, the position of the framed area to the transmitter being predetermined relative to the position of the light aperture to the receiver, and means for adjusting the position of said framed area relative to the position of the impressions appearing at the light aperture .whereby the operator of the transmitter can be informed and guided as to the images produced at the light aperture of the projector. 36. The combination with the light aperture of a projecting machine, of a broad tape, a printer for printing a plurality of lines of printed matter on said tape, said light aperture being disposed at the tape discharge end of said printer, a condensing lens disposed adjacent to said light aperture with a segment cut off adjacent one side of the effective focusing areas of said lens to clear said printer and yet permit location of the light aperture directly adjacent to-the tape discharge end of the printer, and means fordrawing the tape through said light' aperture from the tape discharge end of said printer in a direction transverse to the direction of the lines of printed matter. x

37. The combination with the light aperture of a projecting machine, of a broad tape, a printer for printing a plurality of lines oi! printed matter on said tape, said light aperture being for drawing the tape a line space at a time across said light aperture.

as. The combination with the light aperture of a projecting machine, 01' a broad tape, a

printer for pr inting a plurality of lines of printed matter on said tape and having a platen shittable transversely into two positions for printing two sets of characters or letters according to the position of the platen, said light'aperture being disposed directly. adjacent to said platen but spaced therefrom to allow'ior the shifting of said platen. a condensing lens disposed adjacent to said light aperture with a-segment cut oil adjacent to one side of the. effective focusing area of said lens to form a plane adjacent and parallel to said platen, and means for drawing the tape a line space at a time across said light aperture.- r

39. The combination of a broad tape, a telegraphic printer including meansfor printing a plurality of successive lines of printed matteron said tape and including a.line teed bell crank both in response to telegraphic code signals, means for drawing the tape through an illuminated area, a step by step line spacing actuator operatively associated with said drawing means, and means operatively connecting said actuator with said bell crank to actuate said actuator in turn to feed the tape a line space at a time through said illuminated area.

40. The combination of a broad tape, a telegraphic printer including a platen for receiving and line spacing the tape, said printer also including means for printing a plurality of successive lines of printed matter on the tape and a line spacing control for the platen in response to telegraphic code signals, means for drawing the tape through the illuminated area at a faster surface speed than that transmitted to the tape by said platen, a line-spacing actuator opera-- tively associated with said drawing means, and means operatively connecting said actuator with said control to actuate said actuator in turn to feed the tape a line space at a time through said illuminated area. a

41. The combination of a broad tape, a telegraphic printer including a platen for receiving and line spacing theftape. said printer also including means for printing a plurality of successive lines of printed matter on the tape and a line spacing control for the platen in response to telegraphic code signals, means for drawing the tape through an illuminated area, said drawing means transmitting a faster suri face speed to said tape than that transmitted to the tape by said platen to maintain the tape smooth at said illuminated area, a line spacing actuator operatively associated with said drawing means, and means operatively connecting said actuator with said control to actuate said actuator in turn to'feed the tape a.line space at a time through'said illuminated area.

AUGUST D. EITZEN.

DISCLAIMER 2,108,053.August D. Eitzen,Rockvi1le Centre, N. Y. BROAD TAPE Pnomc'roa. Patent dated Februar; 15, 1938. Disclaimer filed August 28, 1941, by the assignee, News PTOjGOtiOIt Gorporation.

Hereby enters this disclaimer to claims 32, 36, and 37 [Ofl'icial Gazette September 30, 1941.]

of said patent.

' 10 e DISCLAIMER 2,108,053.August D. Eitzen, Rockville Centre, N. Y. BROAD TAPE PROJECTOR. Patent dated February 15, 1938. Disclaimer filed April 21, 1942, by the assignee, News Projecnon Oorporatwn. Hereby enters this disclaimer to claim 39 of said patent.

[Oflim'al Gazette May 19, 1942.] r

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