US1578941A - Typewriting machine - Google Patents

Description

J. WALDHEIM TYPEWRITING MACHINE Filed June 18 March 30 1926.

2 Sheets-Shet 1 lnvemor:

2 Sheets-Sheet 2 March 30 1926.

J. WALDHEIM TYPEWRITING MACHINE Filed June 18, 1923 I the form lengths or sections of one Patented Mar. 30, 1926.

UNITED, "STA,

Jon wnnnnm,or m.1mnrn, rmw messy, has

GOKI'ANY,

OI NEW YOR K, NZ- YT, AIQOBPOBATION Q! DELAWARE,

rrrnwnnmq night-1m,

Application filed June 18, tannin; 845,895.

To all whom a a 0mm: Be it knownthatjL'JonN WAnnnnm, a" citizen of the United States,'res1d1n Elizabeth, in the county of Union and tate of New Jersey, have invented certain new and useful Improvements in Ty Machines, of which the followingls a SPGClfication.

This invention relateskto machine for t ping upon aper wor -we s, comprlsm s veral plies, either fan-folded or unattaehe to each other, and upon each of wlnch pl es are usually printed a succession of forms;

ply registering with those of the other pl1es,-and carbons being interleaved with the phes.

, The work-webs may be continuous, or of indefinite length, according to the number of forms which compose the same. Ordi narily. however, or at least until so worn as to call for replacement, a fixed length of carbon-sheet is employed; the carbons being shifted, relatively to the work-webs'from one form-length to the next. succeeding form-length of work-webs when the typing of a form is completed. The usual practice has been after typing of. a form, first, to lift the platen bodily to release the web therefrom and to release the carbons for their shift; then to shift, one form-length rearward, a carbon-carrier with the carbons attached thereto, while holding the work-, webs; and then to reset the composite web for commencement of typing on the next form and to replace the platen.

For the purpose, among others, of avoiding the necessity .of lifting the platen'preliminary to shift of the carbons, it is proposed; toutilize the backward throw of the carbon-carrier, not to effect the form-toform shift of the carbons relatively to the work-webs, but to draw back the entire, composite web sufficiently to release the carbons from the platen; and then, while holding the carbon-carrier. with the carbons, stationary in rearward position, to utilize the platen, by forward rotary movement of the same, to advance the work-webs a formlength over the carbons. This being done, the carbon-carrier may be released to perewriting provision to-form relative shift ofthe work-webs and carbons by advancing the work-webs while the carbons are in a rearward position clear mit a further forward rotary movement of the platen to advance the entire composite web to position for commencement of typing onthe new form;

Anqbject. of the present invention is the of means for effecting the formof' theplaten; and for determining automatically the extent of such advance of the work-webs; thus precluding inaccuracies on the part of the operator, and, by relieving the operator of the necessity of care and attention, expediting the operation. A feature of the invention, in the preferred form thereof, is mechanism by means of which the platen, on forward rotary throw thereof, may' act to effect this. advance of the work-Webs; and by means of which-the rotary movement of the platen may be determined automatically. A further feature of the invention is the provision of means whereby the. mechanism which effects and determines such throw of the platen may be adjusted in accordance with the particular length of form appearing on. any given web.

A feature of the invention, in the preferred form thereof, is the combination with the aforesaid means for determining thead- 'vance of the work-webs, for shift of the carbons relative thereto, of means for automatically determining a further advance of the work-webs, with the carbons, to position the composite web for commencement of typing on a form; and asetting or arrangement of these several mechanisms in' such positions on the machine as most. conveniently to present the same to the operators hands in the order of the several operations involved in making ready for typing on a new form after completion of typing on the previous form. Composite webs, of the character de scribed, have also been used in typewriting machines having computing attachments.

It commonly happens, however, in such machines, that a part of the computing mechanism is found on the back of the machine in such position as to require a special table structure or support for the carbon-carrier,

bridging the space between the table and;

the platen-carriage proper, over the computing parts, to support and guide the composite web without such bending thereof as might interfere with easy shlft of the carbons and work-webs. Another feature .of

the invention is movability of such apron,.

or its equivalent, to permit of access to the computing parts.

Other features and advantages will here-' inafter appear.

In the accompanying drawings,

Figure 1 is a view in side elevation, partly cross-sectional, of the platen-carriage, computing mechanism and certain other parts of the machine equipped with the carbon-carrier table and associated devices of the pres ent invention.

Figure 2 is a View, in front elevation, of the apparatus shown in Figurel, showing the handle at the right partly operated for clearness.

Figure 3 is a view, in side elevation, diagrammatically indicating the positions of the leading ends of the carbons and workwebs after the relative shift of the carbons and work-webs and before the same are brought to position for commencement of printing on a form.

Figure 4 is aview similar to Figure 3, showing the positions of the leading ends of the work-webs and carbons after the same have been brought to position for commencement of typing on the form.

Figure 5 is a view, in side elevation, of the device for eflecting a predetermined rotary throw of the platen to effect the shift of the work-webs with respect to the carbons.

Figure 6 is a view, in side elevation, of

the device for effecting a predetermined throw of the composite web to bring the work-webs and carbons to position for commencement of typing on the form.

Upon depression of the keys (not shown) of a typewriter forming part of a bookkeeping machine of the Underwood-Hanson type, type-bars 11 are swung upwardly and rearwardly to cause types 12 thereon to engage a cylindrical platen 13, mounted on an axle 14 3ournaled in a carriage 15, which is supported for sliding movement transis made of means whereby the letter-feeding movement of the carriage will effect denomination-selecting for the computing mechanism. To this end, provision is made of brackets 19 extending rearwardly from the typewriter-carriage and of rods 20 and 21 carried thereby. Rotatably and slidably mounted on the rod 20 is a denominationselector 22, which may be held in proper letter-space positions therealong by means of a tooth 23 engaging notches in the rod 21, the selector 22 normally lying in depressed or ineffective position. Obviously, a plurality of selectors may be used.

Upon a letter-feeding movement of the carriage into a computing zone determined by one of the selectors, a frusto-conical roller 24 on the rear end of the selector 22 will ride up on the conical end of a roller 25, having a cylindrical portion of substantially the length of the computing zone, and cause a tappet 26 on the selector to engage seriatim the forward ends of jacks 27 of a certain set, to advance seriatim the usual pin-bars by connections (not shown). Provision is made of the usual jack-housing 28 and the usual housing 29 for the thrustrods (not shown), by which the movements of the jacks 27 are transmitted to the com-,

puting mechanism, the housing 29 belng connected to the jack-housing 28 at its forward,

set of jacks by one selector 22 and not by others may be obtained by arranging the different sets with the forward ends of the jacks extending to difierent positions toward the front of the machine, and by arranging the tappets 26 on the different selectors 22 in accordance with the sets of jacks to be actuated thereby. The brackets 19 may also be utilized to support a toothed bar 31, on which may be positioned, at letter-space intervals, tabulator-stops 32 in position to be engaged by counter-stops (not shown),

when the latterare lifted by means (not shown). The computing mechanism and the denomination-selecting mechanism, forming part thereof, may be, in general, similar to that disclosed in the patent to Richard M. Becker, No. 1,296,355, granted March 4, 1919.

A carbon-carrier table 35 extends rear ward from the platen- carriage 15, and 13 secured to the latter to move therewith in letter feed and return directions in the following manner. The end pieces 36 of the carriage-frame are connected by a cross he or bar 37; and on the end plates 3.6 of the case-shift frame are supported.the usual rear paper-table and apron 38. Also secured to the bar 37, by means of screws 39,

are a pair of brackets 40, the upper ends of these brackets having secured thereto a bar 41, forming the front reach of the table 35. The bar 41, forming the front reach of the table, connects with bars 42 forming the side reaches of the table. The side reaches 42 of the carbon-carrier table are connected at the rear by a cross bar or tie 46. The front of the table 35 is considerably to the rear of, and well above, the paper-table 38 on the platen-carriage, but an apron 43 is pro} vided which connects the tables 35 and 38. This apron has ears 44 thereon, by means of which it is pivotally connected to the bar 41, so that it may be swung up for access to the computing parts. A pair of stops 45 on the brackets 40 support the apron 43 in its normal position. The curvature of the apron 43 is a. long one to permitv easy movement of the web thereover. Brackets 53 on the table 35 have journaled thereon a ment in letter feed and return directions,

with the platen-carriage, on a rail 56 carried by a pair of standards 57. Guards 58 on the brackets 53 pass under the rail 56 to hold the carbon-carrier table to its seat on the standards 57. The standards 57, one at each sideof the machine, are secured to a table (not shown), which supports the frame of the computing machine; and on this frame is supported the main frame 17 of the typewriting machine. The. carboncarrier table is, therefore, supported both fore and aft for movement with platen-carriage transversely of. the machine frame 17.

The work-web 61, shown in three plies 62, is led into the machine upward from the rear thereof over a guide-bar 63 secured to the rear cross-piece of the carbon-carrier table, and thence forward in the direction of the platen. On the guide-bar 63 are side gages 64 for the work-web. These ga es are adjustably set, according to the wi th of theweb. From the guide-bar or rod 63 the plies of the work-web are led through the carbon-carrier 67, where they become interleaved with the carbons 68, and are thence led forward over the carbon-carrier table, and over the apron 43 and rear papertable and apron 38 down behind and around to the front of the platen. Above the printing line of the platen, the work-webs pass the over a front paper-table 70, carried by' brackets 71 mounted on the side pieces 36 of the platen, and between the table and a knife 69 carried thereby.

The carbon-carrier carriage consists of a base-plate 73 having on the under face thereof, two at each side, rollers 74 grooved to receive, and ride upon, rails 75, one at each side of the carbon-carrier table; the rails 75 being secured to and extending lone -gitudinally of the side reaches 42 of the carbon-carrier table on the upper side of the latter. On the carbon-carrier base-plate 73, one at each side thereof, is a standard 76, the standards 76 being stepped, as shown in Figure 1. Secured to the steps of these standards are blades 77 to which are attached the rear ends of the carbon-sheets 68. As shown in Figure 1, the work-webs are spread at the carbon-carrier by the blades 77 so as to be freely interleaved with the carbon-sheets.

It will be understood that when the comosite web, consisting of work-sheets and interleaved carbon-sheets, is in such posi -tion that the carbons are held to the platen by the usual front and rear feed-rolls 78, the linefeed movement of the platen, in the typing of a form, results in aforwa-rd feed of the composite web, such that the carboncarrier is correspondingly fed forward on its rails 75 on the carbon-carrier table. This movement of the carbons with the carboncarrier and with the work-webs proceeds until the writing of a form is complete on completion of aform, it becomes necessary to shift the carbons rearward relatively tothe work-webs to withdraw the carbons from the typed form and interleave the same with the succeeding untypcd form. For this urpose, the feed-rolls 78 are first thrown off the platen to release the carbons and the work-web to rearward movement. The mechanism for throwing off the feedrolls may be thatfound in the Underwood standard typewriting machine, and consisting of a finger-piece 79 connected with a link80 for turning a shaft 81 having flats for spreading apart arms '82, which carry the feed-rolls and which are pivoted on another shaft 83; the shafts 81 and 83 being mounted in the side plates of the platenframe. When the feed-rolls are thrown off, the carbon-carrier 67 and the work-web may be moved backward against a stop 85 -to Figure 1 position without tearing the carbons.

of the work-webs with respect to the car-- bons ma be effected. To this end, the pressure rol s are reapplied to the platen, and, with the carbon-carrier held in its Figure 1 position, by the handle 84, the platen is rotated forward to advance the web.

As hereinbefore stated, the present invention embraces means for determining automatically the precise movement of the platen required for such advance of the web. This means (see Figure 5) comprises a pinion 120 made fast by a key 121 to the platen-axle 14 at the right-hand end of the latter. Also supported by, but disconnected from, the

' platen-axle is a plate or bracket 122. An

arm 123 secured at 124 to the plate 122 and at 125 to a post 126 on the right-hand side plate 36 of the platen-frame holds the plate 122 against angular displacement. Journaled on a shouldered screw 127, set into the plate 122, is a pinion 128 in mesh with the pinion 120. Fast to the pinion 128 for rotation therewith is a ratchet-wheel 129. Also loosely pivoted on the screw-stud 127 is an arm 130, adapted to be swung between full-line Figure 5 to dotted-line Figure 5 position; the dotted-line Figure 5 position, however, being a position adjustable according to the length of the forms on the work-webs.

A stop-pin 131 settable, and which may be threaded, into any one of a series of holes 132 determines the forward throw of the arm 130. The arm 130 has a slide 133 on one side thereof. A lug 134 on the slide 133 passes through a slot 135 in the arm 130, and" on the other side of the arm 130 carries a pawl or detent 136 for engagement with the teeth of the ratchet-wheel 129. The slide 133 with the pawl 136 is movable lengthwise of the arm 130, and is urged toward the ratchet-wheel by a spring 137 coiled around a tail piece 138 on the slide 133. The slide may be held against angular movement on the arm 130 by means of a pin 139 passing through a slot 140 in the slide and into the arm. The slide may also be held against angular movement by having its tail piece 138 project through a passage in a post or pin 141 on the arm 130. The plate 122 has an car 142 thereon, one edge 143 of which serves as a cam to force back the slide 133, with the pawl 136, against the action of the spring 137, and'thus to disengage the pawl 136 from the ratchet-wheel 129 when the arm 130 is swung to Figure 5 full-line position, which may be by means of a return spring 143.

Normally, therefore, as shown in, Figure 5, the arm is disconnected from the ratchetwheel, and the pinions120 and 128, and the ratchet-wheel 129 turn with the platen in any forward or reverse rotary movement of the latter, without movement of the arm 130. When, however, for the purpose of rotating the platen to shift the work-webs with respect to the carbons, the arm 130 is drawn forward, the pawl 136 engages the ratchetwheel as soon as the slide 133 is clear of the cam-ear 142, and thereafter carries with it the ratchet-wheel. The ratchet-wheel, act.- ing through the pinions 128 and 120, turns the platen in forward, or clockwise (Figure 5) position, until the arm 130 is arrested posite web must ordinarily be a definite movement, and must certainly be a movement sufficient to bring the leading edges of the carbons to the printing line, from Figure 3 to Figure 4 position. In Figure 4 position of the composite web, a previouslytyped form may be detached by drawing the work-webs against the knife blade 69.

As hereinbefore stated, the present invention embraces means for determining automatically the precise movement of the platen required to feed the web, to set the same in proper position for commencement of typing, and to position the previously-typed form correctly for removal of the same by means of the knife 69.

This'positioning .means (see Figure 6) comprises a pinion 144 loose on the platenaxle 14 at the left-hand end of the latter, and a ratchet-wheel 145 made fast to the platen-axle by means of a key 146. Also supported by, but disconnected from, the platen-axle is a plate or bracket 147. An arm 148 secured at 149 to the plate 147 and at 150 to a post 151 on. the left-hand side plate 36 of the platen-frame holds'the plate 147 against angular displacement. Pivoted at 152 on the plate 147 is an arm or handle 153 which carries a rack 154 in mesh with the pinion 144. Fast to the pinion 144 is an arm 155, on the end of which is pivoted a pawl 156 for engagement with the teeth of the ratchet-wheel 145. A spring 157 tends to throw the pawl into engagement with the ratchet-wheel. A stop-pin 158 on the plate 147, however, in the Figure 6 position of the parts, by engagement with a tail piece 159 on the pawl, disengages the pawl from the ratchet-wheel and holds the same free therefrom against the action of the spring 157; this being the normal or idle position of the parts.

To turn the platen to feed the web from Figure 3 to Figure 4 position, the arm 153 is moved forward from its full-line Figure.

clockwise (Figure 6) direction with the arm 155 and pawl-156. As soon as the pawl leaves the pin 158 it engages the ratchet- -whee1 145, and, the latter being secured to the platen-axle, carries with it the platen.

This forward rotary movement of the platen" continues until the pawl strikes another stop; pin 160- on the plate 147; whereupon movement of the arts is arrested with the handle in Figure 6 otted-line position, and the web' in Figure 4 position. At the time the handle 153 is thrown forward, the handle 84 stands released, and the carbon-carrier moves forward on the table a distance commensurate with the advance of the carbons from the Figure 3 to the Figure 4 position. Thereafter, in the line-spacing operation in the typing of the form, the carbon-carrier continues to move down the table until typing on the 'form is completed.

Variations may be resorted to within the scope of the. invention, and portions of the improvements may be used without others.

Having thus described my invention, I'

wardly toward the platen, saidarched portion forming a carbon-strippin element,-a carbon-carrier on the horizonta portion of the table, and means for shifting the carbon-carrier backward from the laten on such horizontal ortion of the ta le while the forward en of the work-Web is held against movement, to effect relative shifting of released carbons and web upon said stripping element.

2. In a typewritin machine, a revoluble platen, means for ho din work-webs, composed of a succession of orms, and carbons interleaved therewith, for line-space feed with the platen, a horizontal table at a higher elevation than the computing mechanism, an apron curved from the table 'toward the platen, a carbon-carrier on the table, to which the carbons are connected at their rear, and means for shifting the carbon-carrier backward on the table; the apron being movable relatively to said table for access to the computing mechanism.

3. In a typewriting machine, a revoluble platen, a carriage for the platen, means for holding work-webs, composed of a succession of forms, and carbons interleaved therewith, for line-space feed with the platen, computing mechanism on the back of the machine, a table at a higher elevation than the computing mechanism, a car bon-carrier on the table, means'for shifting th carbon-carrier backward .on the table, an an apron'extending from the front of the table to the platen-carria e; the apron being movable for access to t e computing mechanism.

4. In a typewriting machine, a revoluble "platen, a carriage for the platen, means for' olding work-webs, composed of a success on of forms, and carbons interleaved therewith, for line-space feed with the platen, computing mechanism on the back of the machine, a table at a higher elevation than the computing mechanism,'a carboncarrler on the table, meansfor shifting the carbon-carrier backward on the table, and an apron extending from the front of the; .table to the platen-carriage; the apron being pivotally mounted to be swung up for access to the computing mechanism.

' '5. In a typewriting machine, a revoluble platen, a carriage for the platen, means for olding work-webs, composed of a succes-. sion of forms, and carbons mterleaved therewith, for line-space feed with the platen, computing mechanism on the back of the machine, a table ata higher elevation" than the computing mechanism, a carboncarrier on the table, means for shifting the carbon-carrier backwardon the table, and an apron extending from the front of the table to the laten-carriage; the apron being pivoted 110111? accessto the com 'uting mechanism.

6. In a typewriting machine, a revoluble platen, .a carriage for the platen,'means for e table to be swung upward for holding work-webs, composed of a success sion of forms, and carbons interleaved there with, for line-space feed with the platen, computinggm'echanism on the back, of the machine, a table, brackets for supporting the table on the platen-carriage at a higher elevation than the computing mechanism, and at a distance rearward of the platencarriage, and an apron supported on the brackets and extending from the table to the laten-carriage; the apron being pivoted to t e table, so as to be swung up on its supports on the brackets for access to the computing mechanism. v

7'. In a typewriting machine, a revoluble platen, said platen being fixed to its frame without hinge, feed-rolls for holding workwebs, composed of a succession of forms, and carbons interleaved therewith, for linespace feed with the platen, a table, a carboncarrier on the table, to which the carbons are connected at their rear, means for shifting the carbon-carrier rearward on the table, with the carbons and work-webs, to release the.

carbons from the platen, and for holding the carbon-carrier with the carbons in such rearward position, means for eflecting a forward rotation of theplaten with the workwebs while the carbons are thus held, to

effect a relative form-to-form shift of the matically I tion of the platen.

work-webs and carbons, -and means for autodetermining such forward rota- 8. In a typewritmg machine, a revoluble 'platen, feed-rolls for holding work-webs,

composed of a succession of forms,'and carbons interleaved therewith, for line-space feed with the platen, a table, a carbon-carrier on the table, to which the-carbons are connected at their rear, means for shifting the carbon-carrier rearward on the table,

with the carbons and work-webs, to release 1 the carbons from the platen, and for hold ing the carbon-carrier with the carbons in such rearward position, means for, effecting a forward rotation'of the platen with the work-webs while the carbons are thus held, to effect a relative form-to-form shift of the -work-webs and carbons, and means for automatically. determining such forward rota tion of the platen; the last-named means comprising an operating armor handle having a limited throw.

9. In atypewriting machine, a revoluble 3 the carbon-carrier rearward on the table,

with the carbons and work-webs,to release the carbons from the platen, and for holding the carboncarrier with the carbons 111 the handle to accord to a particular length l of form on a selected web.

\ 11. In a typewriting machine, .a revoluble platen, feed-rolls for holding work-webs, composed of a'succession of forms, and carbons interleaved therewith, for line-space feed with the platen a table, acarbon-carrier on the table, to which the carbons are con- 7 nected at their rear, means for shifting the carbon-carrier rearward on the. l able, with the carbons and work-webs,v to release the earbons from the latch, andfor holding the carbon-carrier wit 1 the carbons in such rearward position, means foreffecting a forward rotation of the platen with the workwebs while the carbons'are thus hold, to effect a relative form-to-form shift of the work-webs and carbons, and means for automatically determining such forward rota tion of the platen; the last-named means comprising a pivoted arm or handle, geared to the platen-shaft, and a. plate having a stop-pin for the arm or handle, settable into any one of a series of holesin the plate .to determine a variable throw of the handle accordingto the length of the forms in' a selected web.

12. In a t pewriting machine,a revoluble platen, feecl rolls for holding work-webs, composed of a succession of forms, and carbons interleaved therewith, for line-space feed with the platen, a table, a carbon-carrier on the table, to which the carbons are such rearward position, meansfor effecting connected .at their rear,.m-eans for shifting a forward rotation of the platen with the work-webs while the carbons are thus held,

to effect a relative forin-to-form shift of the work-webs and carbons, and means for automatically determining such forward rotation of the platen; the last-named means com-' rising an arm or handle, and a plate having a stop thereon to arrest the arm or handle.

10. In a typewriting machine, a revoluble platen, feed-rolls for holding work-webs, composed of a succession of forms, and carbons interleaved therewith, for, line-space feed with the platen, a table, acarbon-carrier on the table, to which the carbons are connected at their rear, means for shifting the carbon-carrier rearward on the table, with the carbons and work-webs, to release the carbons from the platen, and for holding the carbon-carrier with the carbons in such rearward position, means for effecting a forward rotation of the platen with the workwebs while the carbons are thus held, to effeet a relative form-to-form shift of. the work-webs and carbons, and means for automatically determining such forward rotation of the platen; the last-named means comprising an arm or handle, and a plate having a stop thereon to arrest the arm or handle; the stop beingadjustable on the the carbon-carrier with the carbons and webs in such rearward position, means including a platen sweep for effecting a forward rotation of the platen with the work-webs while the carbons are thus held, to effect a relative form-to-form shift of the work-Webs and carbons, means for automatically dctermining such forward rotation of the platen, a secondplaten' sweep for effecting a further forward rotary throw of the-platen, to feed the composite web to position for commencement of typing on a form, and a stop for said second sweep.

13. In a typewriting machine, a revoluble platen, means for holding work-webs, composed of a succession of forms, and carbons interleaved therewith, for line-space feed with the platen, means for shifting the comosite web rearward, to release thecarbons om the platen without lifting the platen, after typing a form, means for holding the carbons thus released from the platen, means including aplaten sweep. for rotating the platen forward with the work-webs while the carbons are thus held released, to effect a form-to-form relative shift of the workwebs and carbons, and means for automatiposite web rearward, to. release the carbons from the-platen without-liftingthe platen,

after typing a form, means for detaining the carbons thus released from the platen',-mcans including a platen sweep for rotating the forline-space feed with the platen,acurved carbon-stripping table at the rear of the platen, a rear] carbon-carrier, means for moving the carbon-carrier backward, to release the carbons from the platen without lifting the 'platen, means for holding the carbon-carrier in such backward position, means for moving the work-websforward over said curved table to efl'ect a form-toform shift of the work-webs relative to the carbons on said curved table while the carbon-carrier is held in such backward po- Platen forward with the -We s While sition, and means for effecting a further forcarbons are thus held released, to effect a form-to-form' relative 1' shift of the workwebs and-carbons, means for auton'iatically determining. such rotary forward throw of' the platen effected by said sweep, and other means for automatically determining a fur-' ther rotary forward throw of the platen with the composite'web upon release of the do tained carbons.

15. In a typewritingmachine, a revoluble platen, means for holding work-webs, composed of a succession of forms, and earbons interleaved therewith, for line-space feed with the platen, means for shifting the thus held released, to effect a form-to-form relative shift of the work-webs and carbons, means for automatically determining such rotary forward throw of the platen, and

means at the left-hand end of the platen for automatically determining a further rotary forward throw of the platen, upon release of the carbons forsuch forward throw,

7 for positioning the composite web for com- Vmencement of typing on a form.

16. In a typewriting machine, a revoluble laten, a carriage for the platen, means for olding work-webs, composed of a succession of forms, and carbons interleaved therewith, for line-space feedwith the platen, a curved carbon-stripping table at the rear of the laten, a rear carbon-carrier, means for movlng the carbon-carrier backward, to release the carbons from the platen without lifting the platen, means for bolding the carbon-carrier in such backward position, and means for moving the work-webs forward over said curved table to effect a form-to-form shift of the work-webs relative to the carbons on said curverd table while the carbon-carrier is held in such backward posit-ion.

17. In a typewriting machine, a revoluble platen, a carriage for the platen, means. for holding work-webs, composed of a succession of forms, and carbons interleaved therewith,

Ward mechanically lifted movement of the -work-Webs, together with the carbons, when the carbon-carrier is released, to bring the composite web toposition for commencement of typing on a form.

18. In a continuous billing ty-pewriti'ng machine, the combination of a carriage. .a platen on said carriage around which a composite web, comprising continuous worksheets, with interleaved carbon-shcets, may be fed, a table at the introductory side of the platen, said table comprising a large curved carbon-stripping section extendingupwardly and rearwardly from said platen, and a straight section extending rearwardly from the curved section, a carbon-carrier to which said carbon-sheets are attached, said carhon-carrier being supported in rear on said table, and movable towards and away from the platen on the straight section of said table, and means to move said carbon-carrier rearwardly to free the carbon-sheets from said platen, preparatory to stripping the carbons upon said curved section.

19, In acontinuous billing typewriting machine, the combination of a carriage, a platen on said carriage around which a composite web, comprising continuous worksheets, with interleaved carbon-sheets, may be fed, a table at the introductor side of the vplaten,'a carbon-carrier to which said carbon-sheets are attached, said table comprising a flat member and a curved carbon-stripping member, said carbon-carrier being supported on the fiat member, and movable towards and away from the platen, brackets on said carriage to support the flat memher, the curved member extending from the forward end of the flat member,

forwardly and downwardly towards the platen, so that the composite web may pass tangentially from the curved member to the platen, means to move said carbon-carrier rearwardly to free the carbousheets from said platen preparatory to stripping the carbons on said curved member,-and a fixed stop to arrest the carbon I carrier when the carbon-sheets have been platen on said carriage around which a composite web, comprisingwork-sheets, with interleaved carbon-sheets, may be fed, a paper-table inclined upwardly and rearwardly from the back of the platen, a carbon-carrierdisposed behind said carriage, and supported thereby, means comprising a 'curved' machine, the combination of a carriage, a

platen on said carriage around which a composite web, comprising work-sheets, with interleaved carbon-sheets, may be fed, a papertable inclined upwardly and rearwardly from the-back of the platen, a carbon-carrier disposed behind said carriage, and supported thereby, means comprising a curved plate on said carriage, to which may pass tangentially the composite web from the carbon carrier, and tangentially from said plate to" the platen, means to actuate said carboncarrier to draw the composite web back around the platen until the carbon-sheets are free from the platen,'means comprising a handle having a limited throw-to advance the work-sheets independently of the c arhon-sheets, and other means also comprising a handle having a limited throw to advance the work-sheets and the carbon-sheets to the printing point. g r

22. In a continuous billing typewriting machine, the combination of a carriage, a platen on said carriage around which a composite web, comprising work-sheets,'with interleaved carbon-sheets, may be fed, said platen being fixed without hinge to its frame, a paper-table inclined upwardly and rearwardly from the-back of the platen, a carbon-carrier disposed behind said carriage, and supported thereby, means comprising a 1 curved plate on said carriage, to which may pass tangentially the composite web from the carbon-carrier, and tangentially from said, plate to the platen, means to actuate said carbon-carrier to draw the composite web back around the platen until the carbon-sheets are free from the platen, gearing comprising a handle having a limited throw to rotate the platen to advance the worksheets independently of the carbon-sheets, and other gearing also comprising a handle having a limited throw to rotate the platento advance the work-sheets and the carbonsheets to the printing point.

23. ,In a continuous billing typewriting machine, the combination of a carriage, a

platen on said carriage around which a composite web, comprising continuous worksheets having successive forms thereon,'with interleaved carbon-sheets, may be fed, said platen being fixed without hinge to its frame, a paper-table inclined upwardly and rearwardly from the back of the platen, a

carbon-carrier disposed behind said carriage, and supported thereby, means com rising a curved plate on said carriage to w 'iich may pass tangentially the composite web from the carbon-carrier, and tangentially from' said plate to the platen, means to actuate said carbon-carrier to draw the composite web back around the platen. until the carbonsheets are free from the prising a pivoted hand e to advance the work-sheets a form-length while the carbonsheets are held, a knife, and means comprising a pivoted handle to 'advance'the composite web to brin the carbon-sheets to the laten, means comrinting point and the bottom of the typed 24. In a continuous billing, typewriting machine, the combination of a carriage, a

platen on-said carriage around which a composite web, comprising continuous work sheets having successive forms thereon, with interleaved carbonsheets, may be fed, means at the introductory side of the platen to limited throw and arranged at the same side of the machine as the first-mentioned fingerpiece to advance the composite web to bring the carbon-sheets to the, rinting point and the bottom of the typed orms to the knife. .25. In a continuous billing typewriting machine, a platen revoluble for line-feed, a fixed platen-frame in which the platen revolves, a platen-carriage which holds platen and frame and moves transversely for letterfeed, a carbon-carrier having forward and backward travel on rear extension of platencarriage, a curved carbon-stripping apron to support and guide multiple forms and carbons, means to retract carbon-carrier and carbons and to hold same retracted against a fixed stop while multiple forms are adorms to the knife,

around the vanced on said curved apron to strip the carbons also on said apron, means to advance the multiple forms a form-length by a single lever movement while carbons on said apron are held retracted against said fixed stop, and means to advance both multiple forms and carbons to the printing line by a single lever movement.

a "26. In a typewritin' machine, aplaten revoluble for line-feed, a platen-frame,. a platen-carriage moving transversely for letter-feed, fa carbon-carrier having forward and backward travel on rear extension of platen-carriage, a curved carbon-stripping apron to support and guide multiple forms and carbons, means to retract carbon-carrier and carbons and to hold same retracted 10 against a fixed stop while multiple forms are advanced on said curved apron to strip the carbons also on said apron, means to advance the multiple forms a form-length by a single lever movement, while carbons on said apron are held retracted against ll said fixed stop, and means adjustable to various form lengths, to advance both multiple forms and carbons to the printing line by a single lever movement.

. JOHN WALDHEIM.

Images