US2285197A

US2285197A - Feeding unit for tabulating machines

Info

Publication number: US2285197A
Application number: US373372A
Authority: US
Inventors: John E Euth
Original assignee: United Autographic Register Co
Current assignee: United Autographic Register Co
Priority date: 1941-01-06
Filing date: 1941-01-06
Publication date: 1942-06-02
Anticipated expiration: 1959-06-02

Description

June 2;; 1942- J. E. EUTH 2,285,197 FEEDING UNIT FOR A TABULATING MACHINE n Filed Jan, 6, 1941 m ii Patente d :JuneZ, 1 1:

' FEEDING UNIT ronu'anum'rmd' MACHINES 16ml 1:. nuts, Chicago, 111., assignor to United Aut'ographic Register 00., a corporation of 1111- ApplicationJanuary e, 1941', Serial No. 373,372

fiClaims. (oi. 197433) This invention relates to stationery feeding and aligning devices for use in feeding stationery over the platen of tabulating machines, Addres'sograph machines, and the like.

The primary object of the invention is to provide a simple and compact feedingunit which is carried by the cross rodsof .a machine and has its own guiding and adjusting mechanism.

A further object of the invention is to provide an improved mounting for the guide member whereby it may belocked in operative pcsition,

' same manner.

but readily released and held out of the way.

during a loading operation. v,

Another object of the invention is to provide a simple built-in adjusting device whereby the unit may he slid quickly to agposition near its final position and then adjusted accurately to a rotatable square ner. A threaded shaft I3 is carried by the members 6 and I and serves toposition the feeding unit in the frame. A tie rod 14 clamps the membets 6 and I together in proper spaced relationship andalso serves as a transverseguide for supporting one end of the feeding'unit.

in Figure 1 only-one feeding unit is illustrated, but it will beunderstoodthat one or more similar units may be provided and supported in the The feeding unit has a sheet metal housing I5 made up of two parts I54: and

' lob which are held in spacedrelation leaving a final position. In typewriting machines of this type it will be understood that it is every essential to have the feed mechanism and its vertical guides aligned very accurately with the platen of the machine. I I

The invention is illustrated'in a preferred embodiment in the. accompanying drawing, in which- Figure l'is a broken angular plan view of an attachment embodying the invention; Figure 2, a broken side elevatlonal view of the feed mechanism mounted on the tie rod and shafts of the frame; Figure 3, a sectional view of the adjusting mechanism, taken as indicated at line 3 of Figure 2: Figure i, a sectional view, taken as indicated at line 4 of Figure 3; and Figure 5, a per- 'spective view of the cap which confines the split-nut.

The invention is illustrated as applied to an attachment 'for atabulating machine. This attachment maybe placed on a standard tabulating machine and held in position without th'e'use of. any bolts, clamps or other securing means. In the ordinary tabulating machine, as illustrated in Jensen Patent No. 2,l30,015, the attachment is driven from a gear' on the platen roll of the.

machine. By 7 suitable gearing the drive shaft of the attachment is rotated in timed relation to the platen roll and drives the conveyer members equipped with register pins to engage in perforations in the stationery., 1

. In the present device .end frames 6 and I are provided at their lower ends with U-shaped keepers 8 and Swhich fit over and engage sup-' porting parts on the tabulating machine to hold the device in position. A gear housing [0 is provided atthelower end of the frame member 1 respect to slot l6 through which the feed pins ll extend.

A sprocket wheel 19 is journalled in the lower end of the housing and is provided with a star shaped socket 2i] which makes a splined engagement with the driving shaft 12. An idler pulley 2| is journalled in the upper portion of the housing IS on a stub shaft 22. A link belt 23 is carried by the

wheels

19 and 24 and carries a continuous series of feed pins H. The upper end of the housing is provided with fixed guides 24 which disengage the pins from perforations in the stationery as the pins pass therebetween.

An adjusting device 25 is journalled in the housing l5, as shown in Figure 3, and has an enlarged head -26 which is slotted to receive a half-nut 21 provided with a cut-away clearance opening 28. The nut is urged into threaded engagement with the shaft I3 by means of a spring 29 which bears against a flange 30 and has a closure cap 3| held in position by screws 32. The nut has an outwardly extending portion '33 which may be depressed so that the entire unit may be slid along the cross rods of the device to a desired position. The finger piece is then released and by rotating the head 26 bodily, a very accurate adjustment of the feeding unit with respect to the frame may'be readily obtained. A compression' spring 34 merely increases the friction to resist rotation and change in position-of the housing.

1 A slotted guide member 35 is pivotally mounted on the stub shaft 22 by means of a slot 36 and is held in position by a nut 31. The guide member has a slotted portion it which is adapted to hold the stationery in engagement with the pins l"| when in operative position, as shown in Figures 1 and 2. One end 'ofthe guide member has a hook shaped finger 39 which is adapted to engage the shank of. a cap screw 40. The other end of the guide member is cut to form a curved sector I and contains a train of gears II which drives 4 and th de embe s urged bodily o;

shaft. I: in well known manng positio b'y meansof a crank 42 acted upon y nsion spring 43.

Thus ill be understood that when it is desired to swing the guide member out of operative position to facilitate loading, it is merely necessary to pull the guide member downwardly against the action of latch 42 and swing it upwardly about the pivot 22. The spring pressed latch 42 will bear against the sector 4| so as to hold the guide member up in an out of the way position. To return the guide'member to latching position it is merely necessary to press it down firmly and the hook 39 will snap over the cap screw 40. v

On the opposite side of the housing is a fixed plate 44 which is slotted, as indicated, at 45, to make slidable connection with the tie rod l4. Thus itwill-be understood that the housing is supported by the tie rod I 4 and the screw shaft l3.

If desired, the screw shaft I! may be mounted so as to be rotatable and a crank provided at one end. Thus rotation of the shaft I; will cause the housing to move laterally. However, it is preferred to have the threaded shaft fixed 3. A device as specified in claim 1, in which the pivotal connection of the guide member is of the pin-and-slot type, the guide member has a hook which is adapted to engage a stud on the housing and the guide member also has a curved sector frictionally engaged by spring means, said means urging the guide member bodily into latched position when the latter is in operative tachment having a 'driving shaft and a threaded shaft, comprising: a housing provided with a pair of pulleys carrying endless belt conveyers provided with outwardly extending feed pins, one

. of said pulleys being hollow andmaking a splined against rotation so that it may also serve as a tie rod for the frame.

The foregoing detailed description has been given for clearness of understanding only, and no unnecessary limitations should be understood therefrom for some modifications will be obvious to those skilled in the art.

I claim:

l. A stationery feeding and aligning unit,

. adapted to be carried by the frame of a machine, comprising: a housing provided with a pair of pulleys carrying an endless :belt conveyer provided with outwardly extending register pins; a guide member to direct stationery into feeding engagement with said pins, said guide member being pivotally mounted on a shaft extending throughthe housing to permit it to be turned away from operative position to facilitate loading; and spring-held latching means for releasably holding the guide in operative position.

2. A device as specified in claim 1, in which thepivotal connection of the guide member is of the pin-and-slot type, the guide member has a hook which is adapted to engage a stud on the driving connection with the driving shaft; and positioning means journalled in said housing ineluding a nut releasably engaging the threaded I shaft of the frame and rotatable bodily to move the housing on said shafts.

5. A device as specified in claim 4, in which the nut has its'threads cut away and the opening enlarged in one portion, and the threaded portion is urged into engagement with the threaded shaft by means of a spring, said nut having an outwardly extending finger piece which is depressible to release threaded engagement with the shaft.

6. A laterally adjustable feeding and aligning unit, on the frame of a typewriting machine attachment having a rotatable driving shaft, a threaded shaft and a tie rod, said unit comprising: a housing in which is joumalled a pair of pulleys carrying an endless belt provided with outwardly extending feed pins, one of said pulleys being hollow and making a splined driving connection with the driving shaft; a guide plate' housing, and a spring urges\ the guide member housing with respect to said frame.

bodily into locked position.

JOHN E. EUTH.