US1680470A - Paper-feeding machine - Google Patents

Description

Aug. 14, 1928. 1,680,470-` G. w. MUDD PAPER FEEDING- MACHINE Filed Nov. 15, 1926 IIIIMIIIIH Hllllllllll IlIllllllmlllllllllllllh W/mlll Patented Aug. 14, 1928A- UNITED STATES PATENT' OFFICE.- 1

GARBETT W. MUDD, OF CHICAGO, ILLINOIS.

PAPER-FEEDING MACHIN d Application led November 15, V1926. Serial No. 148,426.`

bottom of a supply or stack.

A further object is to provide an improved machineof this character which will be of a simple, durable'and compact construction and eiective Vand efficient in operation.

To the attainment of these ends and the accomplishment of other new and `useful ob-r jects as will appear, the invention consists in the features of -novelty in substantially the construction, combination and arrangement of the several parts hereinafter more fully described and claimed and shown in the accompanying drawing illustrating this i invention, and in which `Figure 1 is a diagrammatic side elevation of a feeding mechanism 'of this character constructed in accordance with the principles of this invention.

Figure 2 is avertical, longitudinalsectional view takenon line 2 2, Figure 3.

Figure 3 is a transverse, vertical sectional View taken on line `33, Figure 2.

Figure 4 is a detail sectional view.v taken on line 4 4, Figure 2.

Referring more particularly to the drawing the numeral 10 designates `generally a hopper for receiving and holding' a supply of labels` sheets of paper, coupons or the like. The *hopper is open at the bottom and is provided with an inwardly projecting ledge orshoulder 12 upon `which one edgeof the supply or staclroflabels rest.

which may bei in theshapevof pins or the The rollers '15 are operated in any suit-v able manner such as means of gears 16-` 17 between which an intermeshing gear. 18 is arranged. f "l Y VThe gear 16 `i's carried by fa `shaft V19 At the opposite'end of the bottom a plue. rality of inwardly projecting formations 13 adapted to receive its motion from any suitable source (not shown).

Arranged beneath the hopper 10 are tracks or guides 20 upon which ejector' members 21 are adapted to reciprocate. y f 1 Any number of these ejectors 21 may be provided but two are illustrated, and theyl are supported bymeansof arms or bars 21, through which a bar or rod 22 passes, the extremities of which latter are adapted to travel upon the guides or supports 20.

The forward edges of the guides'or'supports 20 are deflected downwardly as at 23 andthe Vextremity of the downwardly deflected portion extends forwardly as at V24: and terminates in proximity to the rollers 15.

The track 20 is provided with a section 25 pivotally mounted as at 26, and the pivotally mounted portion extends rearwardly and is provided preferably with an inclined face 27 that co-operates with the inclined face 28 on the downwardly deflected portion 23 of the. track or support. The top of this section isadaptedfto assume a position coinciding with the top of the body portion or track 2O `and the inclined face 27 of the section 25 co-operates with the inclined face 28 of the portion 23 of the track or guide to hold the section in position so that the ends of the bar or rod 22 may move upon the section 25.

The forwardly projecting portion 2a of' the track extends beyond and is spaced below the section 275 when the latter is in the position Vshown in full lines in Figure 2.

The ejectors 21 are each provided with Va face 29 which is preferably constructed lof rubber or similar material and is corrugated so as to engage and bite-the body portion ofthelowermost sheet or label in therhopper 10. y y y Y The cjectors 21 'are adapted tob'e reciprocated in Vany suitable manner preferably by means of a link 30 which is pivotally con- 1 nected at one end as at 31 with vthe gear# 16. and the other end of the link ispivotally Lconnected as at V327with the bar or ro`d33 that extends across and connects the bars 21 so that when the gear 16 is rotated a reciprocatory motion will be ejectors `21.

The` weight of the stack or pile of sheetsy 11 in the hopper 10 causes' the lowermost sheet to engage and rest against the corrugated surfaceofthe ejectors 21 `so that when imparted to." they v sheet to be detached or moved out of engagement with the projections 13 and will also cause the body of the sheet to buckle downwardly as at 35 adjacent the other end of the hopper. As the edge 3l of the sheet passes off of the projections 13 it will drop slightly so that when the j eject-ors i 2l are moved forwardly the edge 34 of thelowermost sheet 4vwill be presented to the bite of the rollers l5. At the same time the ejectors will withdraw the rear edge 36 of the lowermost label from the hopper. After the forward edge of the. detached sheet has been engaged by the rollers l5 the sheetwill be withdrawn by the action of the rollers. At the same time the lowcrmost sheet 1l is being advanced by the rollers 15, the ejectors 2l will be moved forwardly so as to engage the next lowerniost sheet as the lower sheet withdrawn from the topy of the ejector.

During the feeding movement of the sheet by the ejector 21, the bar 22 will ride over the section 25 of the track or guide 20 until the bar 22 moves to a point beyond the forward edge of the hinged section 25. At this time the ejector will drop over the end of the section 25 until the bar 22 engages and rests upon the forwardly projecting portion 24 of the track or guide.y The ejector will then be moved backwardly so that the bar 22 will move along the portion 24 of the track until it strikes the inclined portion 28. A further movement of the ejector in the same direction will cause the bar 22 to ride up the inclined port-ion 28 beneath the section 25 to raise the latter from the yposition shown in full lines in Figure 2 to the position shown in dotted lines so that the bar will pass from the inclined surface 28 on to the top of the track or guide 20. .g

Upon the return movement of the ejector 2l it will pass into engagement with the lowermost sheet of the pile just asit passes otfof the inclined surface 28 of the track or guide so that a further movement of the ejector 2l in a rearward direction will cause the ejector to withdraw the forward edge 3l ofthe lowermostsheet from the pile and buckle lthe rearward portion of thesheet as at35. y

It will. therefore be seen that by reciprocatingrthe ejector 21 a sheet will be withdrawn, the ejector will fall so-as to pass out of engagement with the sheet to allow it to be fed by the rollers, after which the ejector will travel up the inclined surface 28 so that it will again contact with the next lower most sheet, at which time the operation will be repeated. i Y, l

I AIt will therefore be seen that with this mproved construction there will be provided means for positively feeding the sheets individually from the bottom of a stack or p ile. lVhile the preferred form of the invention has been herein shownand described, 1t 1s to be understood that various changes may be made in the details of construction and in the lcombination and arrangement of the several parts, within the scope of the claims, without departing from the spirit of this invention.

lYhat is claimed as new is :e

1. A machine for feeding sheets of paper and the like embodying a holder for a supply of sheets, an ejector below and reciprocable across the bottom of said supply, an extended arm directly supporting the ejector, means pivotally mounting the arm by one end, means for causing the ejector to remove one edge of the sheet from the supply and to buckle another portion of the sheet during the movement of the ejector' in one direction, and means for bodily moving the ejector in a. direction toward the supply, the last said means permitting the ejector to swing away fromthe bottom of the supply by swinging the ejector arm about itspivot.

2. A machine for feeding sheets of paper and the like embodying a holder for a supply of sheets, an ejector below and reciprocable across said supply, a guide for holding the ejector in contact with the lowermost sheet of the supply and along which guide the ejector moves and from which guide the ejector passes, said guide embodying a shiftable section, a support below said guide and upon which the ejector moves when it passes oil of the said guide, and means for directing the ejector against the said shiftable section to displace the latter to permit the ejector to pass back upon the said guide and into lcontact with the lowcrmost sheet of the said supply.

A machine for feeding sheets of paper and the like embodying a holder'for a supply of sheets, an ejector below and reciproeable across the said supply, a guide way for holding the ejector in contact with the supply as it is reeiprocated, said guideembodying a section shit-table in one direction and upon which section the said ejector is movable while operable. meansl for receiving the ejector after itpassesoii' of the said section, and meansfordirecting the ejector, to the other side of and against said section to shift the latter to permit the said ejector to move back upon the saidy guide.

4. A machine for feeding sheets of paper and the like embodying a holder for a sup ply of sheets, an ejector below and reciprocable across the supply, a guide way for holding the ejector against the supply, said guide way having a pivoted section and across which section the ejector is movable in one direction, means for supporting the ejector' when it passes oif of the said section, the said means serving to direct the ejector to the othei` side of said section, andvmeans for directing the ejector from the last said means against the said section to swlng the same about its pivot to permit the ejector to pass back upon the said guide and against the bottom of the supply.

5. A machine for feeding sheets of paper and the like embodying a holder for a supply of papers, an ejector below and movable across the said supply, a guide way having a depressed portion adjacent the limit of travel of the ejector in one direction, said guide way also embodying a pivoted section forming a continuation thereof over the said depressed portion and4 over which section the ejector passes, the said depressed portion serving to receive the ejector when it passes oil of the said section vand away from4 the supply, and means below the said pivoted secton and intermediate the guide way and the said depressed portion thereof` for directing the ejector against the said pivoted section to swing the latter about' its pivot to permit the ejector to pass from the said depressed portion back upon the said guide Way.

6. A machine for feeding sheets of paper and the like embodying a holder for a supply of papers, an ejector below and movable across the said supply, a guide way having `a depressed portion adjacent the limit of ravel of the ejector in one direction, said guide way also embodying a pivoted section forming a continuation thereof overthe said depressed porti on and over which section the j ejector passes, the said depressed portion serving to receive the ejector when it passes "olf of the said section and away fromthe supply, and an inclined surface intermediate the guide way and the said depressed portion thereof for directing the ejector against the said 'section to swing the latter to permit the ejector to pass back upon the said guide way. j

7. A machine for feeding sheets of paper and the like embodying af holder for a supply of papers, an ejector below and movable across the said supply, a guide Way having a depressed portion adjacent the limit of ytravel of the ejector in one direction, said guide way also embodying a pivoted section forming acontinuation thereof over the said depressed portion and over which section the ejector passes,i the said depressed portion serving to receive the ejector when lit passes 'oilI of Vthe said section and away from the supply, and an inclined surface intermediate the guide way and the said depressed portion thereof Vfor directing the ejector-against the said section to swing the latter to permit the ejector yto pass back upon the said guide way, the free end of the said section being inclined and (fo-operating with the' saidinclined surface for maintaining the said section against movementin one direction,

8. A machine for feeding sheets of paper and the like embodying means for Vsupporting a supply of sheets, an ejector below and reciprocable across the bottom of the supply, an extended arm directly supporting V*the ejector, means pivotally supporting the arm by one end, means pivoted to the pivotal support of the extended arm for reciprocating the ejector and arm, and means for bodily moving the ejector toward the supply, the

last said means operating to permit the ejector to swing-away from the bottom of the supply by swinging the ejector arm about its pivot. Y

9. A machine for feeding sheets of paper and the likeembodying a holder for a supply of sheets, an ejector reciprocable below and across the said supply, an extended arm directly supporting the ejector, means piv otally mounting said arm by one end, means for holding the ejector against thesaid supply during a portion of its remprocatingv movement, and means permitting a-bodlly movement of the ejector away from and out of engagement with the supply in a direction transverse to its direction of reciprocating movement by swinging the arm about its pivot, the last said means operating to. cause the ejector to againvmove into contact with the bottom of the saidsupply on the reverse movement of the ejector.

In testimony whereof I have signed my name tothis'specilication on this 5th day of November, A.`D. 1926.

GARRETT w. MUDD, y'

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