US1880418A - Stacking mechanism for printing machines - Google Patents

Description

Oct. 4, 1932. F M, CARROLL 1,880,418

STACKING MECHANISM FOR PRINTING MACHINES Original Filed Feb. 17, 1928 2 Shets-Sheet l Oct. 4, 1932. F. M. cARRoLL 1,880,418

STACKING MECHANISM FOR PRINTING MACHINES Original Filed Feb. 17, 1928 2 Sheets-Sheet 2 su shown in Fig. l.

Patented Oct. 4, 1932A `FRED M. CARROLL, F YONKERS, NEW YORK ASSIGNOR T0 THE TABULATING'MACHINE COMPANY, OF ENDICOTT, NEW YORK, A'CORPORATION OF NEW JERSEY STACKING MECHANISM FOR PRINTING MACHINES Original application filed `I february 17, 1928, Serial No. 254,936. Divided and this 1929. Serial This invention relates to printing mechanisms for accounting machines and the like and particularly to improvements in devices provided for thepurpose of severing long strips ofV sheets thus formed. ,I ,y

This application isa division of the parent application ofF. M. Carroll,` Serial No. 254C,-

V936, led Februaryl?, 1928.

Inthe parent application referred to provision is made for listing data and the totals thereof upon a plurality of superimposed strips. Each strip is cut into sheets of predetermined lengths for conveniencein handling and filing and the present application is concerned with the provision of an improved means for accomplishing the latter function. Y v

' It is a main obj ect of the present inventionv to effect the feeding of a long sheet in such a manner thatY when severed the severed portion will assume a horizontal stacked position.

yIn the preferred embodiment a pair of rollers feedV the strip upwardly,n the free end thereof being thereafter rolled around a grid-7 At a certain point in the cycle like frame. of operation, the strip is severed and the tendency of the paper to assume a plane position causes the free end adjacent the severing mechanism to tumble and deposit itself upon a platform. In this manner the sheets are placed in a stacked relationship.`

While the present invention has been shown in connection( With an accounting machine of the tabulating type it is clear that With equal facility the improvements mayV bev applied? to other types of machines and the present enibodiment is Villustrative rather than restrictive.

The invention will be clear from thefollovving detailed description which should be read in connection with the ings in which: y Y I Fig. lis a sectional view of the yillustrative paper severing devices and the mechanism for stacking the printed sheets shown in operated position. y Y

Fig. 2 is a` front view of the mechanisms Fig. ,3 is a view in sidefelevation of the paper and 'stacking Vthe separate'` complished by clutching' operation an actuating plate 34 (Fig. l) Will accompanying dravvoperating clutch and associated control dcvices in normal position. f Y In Fig. 1 the .printed sheets l5 and 16 eX- tendupvvardly and cooperate With a pair of feeding rollers 17 Which feed the strips up#V shaft 22. Secured to the rock shaft`22 are arms v23 each carrying at its upper end a roller 24. These rollers are normally in the dotted line position shown in Fig. 1 and when the strips have been fed pass overthe ejected paper strips and roll them over the grid so the free end of the strips abut the vertical sections 26 of the grid. When this position is assumed the stripsrare severedr so that as they tumble over they will be stacked ona platform 27 also of grid formation.

Rocking of the shaft 22 to roll the rollers 24over the projected strips is preferably acf the shaft 22 to one of the operating parts of the machine. Rotatable with a constantlyy rotating gear 29 is a ratchet Wheel i 30 (Fig. 3) Secured to shafty 22 is a disk 31 pivoted to Which is a paWl 32 adapted to engage the Yteeth of the ratchet Wheel but normally disengaged -by a latching pavvl 33 also pivoted to disk 31.V At a certain point in the cycle of rotation of a gear 400 Which is turned a step for each printin strike a finger 35 which is connected by a collar (see Fig. 2) to alever 36 rocking the latter so that the upper end thereof Will strike ya tail L37 (Fig. 3) of latching pavvl l33 and rock the latter. The released pavvl 32 Will novv bey urged by its connecting spring 39 to engage the ratchet Wheel 30 as shovvn in Fig. 1 and application filed June 29,'

are bent concentric with respect to a rock thus drive shaft 22 ina clockwise Adirection to roll the projected strips over the grid-like frame.v

Priorfto a complete revolution `of disk 31 pawl 32 will strike a stationary pin disengaging the pawl 32 from the ratchet wheel 30 and when this relationship exists latching pawl 33 snaps under a portion of pawl 32. Automatic return of shaft 22 in a counterelockwise direction, is" effected by'a coil spring 41 (Fig. 2) which is wound when shaft 22 is turned in a clockwise direction. This will bring the rollers 24 againto their normal positions shownby the dotted circle in Fig. 1 where they will be positioned upwardly over the frame 20 outof interference with the ends of the strips subsequently projecte`d'by'rollersi`1`7. p'

Any shocks due to the quick returnv ofarms 23 are taken up and eased by flat springs 42 vthe free ends of which pass frictionally under the cross-bar to which the plate 21 is attached.

Reference character v43 designates a series of single coil spring wires carried by rod 44. Normally the free ends of these wires are above the stacked sheets permitting their free removal and are held in upward position by a spring45 connected to a lever 46 attached to rod 44.. As the right arm 23 reaches its lowermost position a roller 48 carriedthereby will strike a camming edge 49 rocking lever 46 so thatthe spring wires 43 press against lthe uppermost sheet of the stack to firmly hold the stack in place. This position of wires 43 is temporarily, held by a latching. lever 52 the lower` end of which rocks over a lug 50 when arm 46 is in its, eX- treme downward rocked position. It will be apparent that thenatural curve of the paper strips may bring the endsin interference with rollers 24 when the latter are returned by the restoration of shaft v22 sothat the spring wires 43 are provided to lirmlyhold the strips down during the return of rollers 24 but are released as the rollers return to normal starting position. As the rarms 23 and shaft 22 return ,to their normal starting position a cam 51 will rock the upper end of lever 52 sufficiently to unlateh the lever 52 whereupon spring 45 will raise spring wires 4 3 upwardly.

Guillotine knife 19 is carried by a pair ofarms 53 pivoted on a rod 54.- A link 55 connects; one of the arms 53 to one arm of a pivoted bell crank y56 the other arm of which coacts with a spiral cam 57 attached to rock shaft 22. As shaft 22 is rocked clockwise bell crank 56 will draw link 55 downward gradually, thereby bringing knife 19 against Y the stationary knife v18 producing a shearing action'onA the paper strips. The cutting action is timed to occur after the rollers 24 have rolled the projected strips over the grid frame, thus permitting the end adjacent the cutting knives to turn and deposit itself upon the stack onfthe platform- 27. It will be observed thatthe severing and stacking operations `occur at a different time *thanl the paper feeding operation.

While there `has'been shown and described and pointed out the fundamentalnovel features of the invention as applied to a single modification it will be understood that vari-H 1. In a machine of the class described comprisingin combination with means for feeding a paper strip,a stationary arcuate-shaped frame, a frame carrying a roller adapted to roll a portion of said strip over .the stationary arcuate-shapedframe, and means for subsequently severing said strip whereb the sheet thusformedassumes a substantlallyjhorh.

zontal ystacked position.

2. In a machine of the class described comprising in. combination with means for ,feeding a paper strip, an arcuate-shaped frame, a frame carrying a roller adapted to roll a portion of said strip over the arcuate-shaped frame, means for subsequently severing said strip whereby the sheet thus formedY assumes a substantially horizontalv stacked position, andresilient means forengagingand holding thev severed sheet. v.

Z3.. In a machine of the class described comprising in' combination with means for feeding a paper strip, an arcuate-shaped frame, a reciprocating frame carrying a roller adapted to roll a portion of said strip over the arcuate-shaped frame, means for severing the rolled strip whereby the sheet thus formed assumes a substantially horizontal v stacked position and resilient means for temporarily holding the sheet during the return movement of said roller.

4. In a machine of the class described the combination with a stationary arcuate-shaped frame with a receivingr platform therebeneatli, of means for directing a portion of the strip over the stationary arcuate-shaped.

frame, and means for severing said stripwhereby the detached portion assumes a plane position upon the receiving platform.

5. In a machine of the class described the combination fwith a 4stationary arcuate-l shaped frame, of vmeans for'rolling a paper stripV over the stationary arcuate-shaped frame so that portions of said'strip are at substantially diametrically opposite points,

andY means for releasing one end of thestrip whereby the latter assumes a plane position upon a receivingplatform. l 1

6. In a machine of the class describedl the combination with a stationary arcuate-shaped frame, of means for rolling one end' of a paper strip over the stationary arcuate shaped frame, and means for severing 'a-predeter- Y mined length of'thestrip whereby the 'sheet' thus formed assumes a receiving platform.

7. In a machine of the class described, the combination with an arcuate-shaped frame having stop portions, of means for rolling a predetermined length of a paper strip over the frame, and means for releasing the end of the strip opposite the end abutting the stop portions whereby the strip assumes a plane position upon a receiving platform.

8. In a machine of the class combination with a looped frame having a receiving platform beneath the same, of a reciprocable means for directing the projected end of a paper strip over the framevwhereby a portion thereof assumes a circular looped position, and means for detaching a predetermined length of the strip whereby the plane position upon a looped sheet thus formed assumes a plane position upon the receiving platform.

9. In a machine of the Vclass described, the combination of means for projecting the end of a paper sheet, an arcuate shaped frame,

a reciprocable device for rolling lthe projected end of the strip over said frame, and means for detaching a predetermined length of the sheet whereby the piece'thus formed assumes a plane position upon a receiving platform.

l0. In a machine of the class described, means for projecting a strip so that the free end thereof is unsupported, a circular frame, means for rolling the projected end of the strip over the frame, and means for detach- Iing a predetermined length of the strip whereby the sheet thus formed assumes a plane position on a receiving platform.

1l. In a machine of the class described in combination, an arcuate-shaped frame, a reciprocable device for rolling one end of a paper strip over the arcuate shaped frame, and means for severing a predetermined length of the strip whereby the sheet thus formed assumes a plane position upon a receiving platform. c

12. In a machine of the class described, in combination, a circular frame, rollers, means for effecting a relative movement between said frame and rollers one of which is stationary during such movement to roll a record strip over the frame, and means for detaching a length ofthe strip whereby the sheet thus formed is free to assume a stacked position. Y In testimony whereof I hereto alix my signature.

FRED M. CARROLL.

described, the

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