US2288800A - Record feeding mechanism for printing transferring machines - Google Patents

Description

y 1942. F. J. FURMAN 2,288,800

RECORD FEEDING MECHANISM FOR PRINTING-TRANSFERRING MACHINES Filed July 1, 1941 3 Sheets-Sheet 1 umlimm may llf-llllll IIIIII In 1 u- 7 IIIIIIIIII lllll'il'illln ATTORNEY F. J. FURMAN 2,288,800

RECORD FEEDING MECHANISM FOR PRINTING-TRANSFERRING MACHINES July 7, 1942.

Filed July 1, 1941 3 Sheets-Sheet 2 A T TORNE Y July 7, 1942. F. J. FURMAN 2,288,800

RECORD FEEDING MECHANISM FOR PRINTING-TRANSFERRING MACHINES Filed July 1,, 1941 3 Sheets-Sheet 3 I fi gvENToR ATTORNEY Patented July 7, 1942 RECORD FEEDING MECHANISM FOR PRINT- ING TRANSFERRING MACHINES Frank J. Furman, Endicott, N. Y., assignor to International Business Machines Corporation, New York, N. Y., a corporation of New York Application July 1, 1941, Serial No. 400,596

4 Claims. (CI 271-1345) This invention relates to a transfer machine wherein lines of data. are posted on ledger sheets from an original or master record. The invention relates particularly to the feeding mechanism for advancing the original record line by line. The machine to which the invention is applied is that shown in Patent 2,189,043, granted to A. W. Mills on February 4, 1940. In the machine of the patent, the original record is advanced line by line for each operation of the machine. Between each advance a ledger sheet is inserted to receive an impression from a line on the master sheet. In certain cases it is desirable to have a line of the master record transferred to a line on each of two different ledgers. For this purpose it is necessary to suspend the feeding of the master sheet, so that the line from which printing is to take place repeatedly will remain in printing position.

A specific object of the invention is to provide mechanism for controlling the feeding of the master record, so that each line thereof will remain in printing position during two impression cycles of the machine or may be set to remain in position for only one impression cycle.

A further object is to provide selective means for selectively holding any selected line on the master sheet in printing position for multiple impressions.

Other objects of the invention will be pointed out in the following description and claims and illustrated in the accompanying drawings, which disclose, by way of example, the principle of the invention and the best mode, which has been contemplated, of applying that principle.

In the drawings:

Fig. 1 is a view in section showing the essential elements of a transfer printing machine such as disclosed in Patent 2,189,043.

Fig. 2 is a view of the control devices for the feed mechanism, the view looking in the direction of lines 2--2 of Fig. 3.

Fig. 3 is a detail showing the mechanism for controlling the operation of the master sheet feed mechanism.

Fig. 4 is a detail of parts shown in Fig. 3 in another position.

Figs. 5 and 6 are further position views of parts shown in Fig. 3.

Referring to Fig. 1, the original or master sheet designated I53 is guided between feed roll I31 and pressure roll I39 which advance the sheet toward the right. This sheet I58 is the original paper from which copy is to be taken and may be a single sheet, fanfold or continuous roll. The transfer is accomplished by interposing a ribbon 88 or similar medium moistened with solvent above the area to be transferred and then applying pressure on the ribbon to bring the ribbon, the original and the ledger or receiving paper together. The solvent dissolves a portion of the carbon from the original and deposits it on the ledger sheet. In Fig. 1 the ledger sheet is indicated at 88 in a position from which it is advanced toward the right to present the line that is to receive the impression beneath the platen I24 of the pressure bar 83.

The main operating shaft 88 carries a pair of cams I38 which cooperate with a bell crank follower I38 which in turn through link I29 rocks a lever I21 to draw link llt downwardly to effect the transfer.

Also operating from shaft 88 is apair of cams 84 which through a bell crank follower 85 and link 86 oscillate an arm 81" secured to a shaft 88. This shaft carries a cam member I50 (Fig. 3) which cooperates with a roller I49 on the end of a link I41, whose upper extremity connects .with the lever I46 to which is pivoted a spring pressed pawl I45 whose 'nose rides on ratchet wheel I44. The ratchet wheel I44 is secured to shaft I38 upon which the feed roll I31 of Fig. 1 is mounted. In the operation of themachine. link I41 moves downwardly for each printing impression, and through the pawl I45 and ratchet wheel I44 the feed roll I81 is stepped ahead to bring a new line to the printing position for each operation of the machine; g

The foregoing describes briefly the usual operation of the machine as set forth in Patent 2,189,043 to which reference may be made for more detailed explanation. The manner in which the mechanism of the'prior machine is modified for the purposes of the'present invention will now be explained. I

Referring to Fig. 3, there is provided a key I which may be depressed whenever-it is desired to have the sheet I53 remalnidjposition for'two operations, so that two impressionsm'ay be taken from the line that is in printing position. When the key I80 is depressed, it rocks a lever I8I about a stud I82 so that the right hand curved arm I88 of the lever which lies'fbeneath a pin I84 in the pawl I 45 will raise the latter out of engagement with the ratchet wheel I 44. At the same time an arm I85 of the level-will be engaged by a latching ledge I88 formed in an open ing of a lever I81 freely pivoted on shaft I38. As a result. when link I41 is drawn downwardly by spring ISI, the pin I84 will ride on the upper curved surface of arm I83 and the ratchet wheel will not be advanced when link MT is returned upwardly.

n the link I41 there is pivoted a spring pressed by-pass pawl I88 which, when the link moves downwardly, will snap past a pin I89 in lever I81. On the return stroke of the link I41, the pawl I88 will engage pin I89 and rock the lever I81 clockwise to release lever I8I, so that the key I80 will be restored under the influence of spring I90. On the next following upward stroke of link I 41, the pawl I45 will be eifective in the usual manner to advance the record sheet one step. Thus, through the operation of key I 80 any selected line of the master sheet may be held in position to create more than one impres- 81011.

Where it is desired to have all the lines on the master held in position for two impression cycles, the mechanism about to be described will be brought into action. This comprises a plate I9I pivoted on stud I92 and having a lateral extension I93 for cooperation with an extension I94 on the link I41. In the normal operation of the machine the plate I9I occupies the position shown in Fig. 4 where the extension I99 is out of the path of the extension I94. From plate I9I there depend two interposers I95 and I90 which are urged toward one another by a spring I91. For normal single impression operations, the interposers are held apart by a cam I98 which is secured upon a rod I99 which may be manually rocked from the position of Fig. 4 to that of Fig. 3. The plate I9I is also manually positionable into either of two positions shown in Figs. 3 and 4.

When it is desired to have each line of the master sheet remain in position for two impression cycles, the plate I9I is rocked to the position of Fig. 3 and the cam I98 is also rotated to the position it occupies in Fig. 3. When this manual adjustment has been made, the two links I95 and I96 are drawn together by spring I91 and the lower hook-shaped end of link I96 moves over the top of the pivot pin 200 of the roller I49, while the right hand edge of link I 95 rests against the side of pin 200. When link I 41 moves downwardly during the first printing cycle, it is prevented from following the cam I50 beyond the position where its extension I94 strikes the extension I93. This amount of travel is not sufficient for the pawl I 45 to engage the next tooth in the ratchet wheel I44, so that on the return movement of the link the record is not advanced but remains in position for a second impression.

The initial down stroke of link I41 is of sufficient extent, however, to move pin 200 to the position shown in Fig. 5. In this position the pin 200 has moved below the hook on interposer I95',.so that on the return stroke of link I41 interposer I95 will be engaged and moved upwardly to rockplate I9I to the position of Fig. 6, so that on the next down stroke of link I41 the extension I93 will be out of the way and pawl I 45 will advance the ratchet wheel one tooth. At this time,

on the down stroke of link I41 the hooked end of aeeaeoo the master sheet the plate is in the position of Fig. 3 to prevent feeding during the first impression cycle. During the repeat impression cycle, the plate is in its rocked position of Fig. 6 so that feeding can be efiected and the plate incidentally rocked back again to its intercepting position,

With the arrangement shown and described, a flexibility of operation of the machine is provided whereby through the use of key I80 any selected line in the master sheet may be held in position for repeat positioning. If three lines were desired for a selected line, the key I80 would be depressed the second time after the first impression has been made. As a result, the selected line on the master sheet would be held in position for three impressions.

Where two impressions are desired from each line of the master sheet, plate HI and cam I98 are manually rocked to the position of Fig. 3 and each line of the master sheet will be held in posting position for two operations. Finally, where a single operation only is required for each line of the master sheet, the plate I9I and the cam I98 are rocked to the position of Fig. 4.

While there has been shown and described and pointed out the fundamental novel features of the invention as applied to a single modification, it will be understood that various omissions and substitutions and changes in the form and details of the device illustrated and in its operation may be made by those skilled in the art without departing from the spirit of the invention. It is the intention therefore to be limited only as indicated by the scope of the following claims.

What is claimed is:

1. In a machine having a table supporting a master and ledger sheet and a pressure bar movable to press the sheets together to transfer a line of data from the master to the ledger sheet, a feed roll for advancing the master sheet line by line, a line space mechanism for the feed roll normally operative to space the sheet a line for each operation of the pressure bar and operating means therefor, in combination with an interposer positionable in or out of an intercepting position with respect to the line space mechanism, and means controlled by the operating means for the line space mechanism for automatically positioning said interposer alternately in its in and out positions during successive operations of said operating means.

2. In a machine having a table supporting a master and ledger sheet and a pressure bar movable to press the sheets together to transfer a line of data from the master to the ledger sheet, a feed roll for advancing the master sheet line by line, a line space mechanism for the feed roll normally operative to space the sheet a line for each operation of the pressure bar and operating means therefor, in combination with a pivoted interposer having two positions, one in which it causes suppression of line spacing and another in which it permits line spacing. a pair of links, one on each side of the pivot of said interposer, and means controlled by the operating means of said line space mechanism for engaging said links in alternation during successive operations, whereby to rock the interposer from one posi- Y tion to another.

3. In a machine of the class described, a sheet feeding roller, a ratchet wheel thereon, a pawl normally engaging the wheel, a link connected to the pawl to oscillate the same for advancing the wheel, a repeat key, a member operated by the key to' disengage the pawl from the wheel, a latching plate to hold the member in operated position whereby operation of the link will fail to advance the wheel, and means on the link effective during its operation to cause the latching plate to release said member, whereby the next following operation of the link will be effective to advance the wheel.

4. In a machine of the class described, a sheet 10 feeding roller, a ratchet wheel thereon, a pawl engaging the wheel, a link connected to the pawl,

a spring for drawing the link in one direction to retract the pawl, a cam to return the link and advance the ratchet, an interposer movable by the link into the path of the link during its return movement, said interposer limiting the next following spring actuated movement of the link, and said interposer being moved out of the path of the link upon its return from said limited movement, whereby on the succeeding spring actuated movement the link will move its full stroke.

- FRANK J. FURMAN.

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