US1689272A - Packer and feeder for carton blanks - Google Patents

Description

Oct. 30, 1928.

w. c'. YOUNG PACKER AND FEEDER FOR CARTON BLANKS Filed May 18, 1927 3 Sheets-Sheet 1 Oct. 30, 1928.

w. YOUNG PACKER AND FEEDER FOR CARTON BLANKS s Sheets-Sheet Filed May 18, 192'.

' Oct. 30, 1928. 1,689,272

-' W. C. YOUNG PACKER AND FEEDER FOR CARTON BLANKS ed Mfg 18, 1927 t 3 I .701

Jwumkw 51W, l imm +4 Patented Oct. 30, 1928.

UNITED STATES- PATENT- OFFICE. I

WILLIAM c. YOUNG, onimr'rnn CREEK, Mronrean, a'ss' ieivtinfro rosruizt COMPANY, INCORPORATED, or BATTLE CREEK, MICHIGAN, A CORPORATION on DELAWARE.

PACKER AND FEEDER Application filed May 18,

This invention relates to'carton blank feeding machines, and more particularly to a machine for supplying carton blanks or the like to carton making and analogous instrumentalities. p

The principal objects ofthis invention are to provide a machine of this type which can be operated in a substantially continuous manner; which feeds or advances one pack of blanks while another pack is beingloaded' in the machine; which embodies a plurality of magazines shiftab-le in the machine to feeding and loading positions respectively; which maintains proper pressure at all times on blanks being advanced in and fed from the machine; which enables the magazines to be shifted while maintaining" pressureon blanks that have not been fed from the machine; which includesa device for quickly app-lying initial pressure to the pack of blanks when it is moved to the feeding position {which enables the magazines to he lockedin the feed-- ing and loading positions; Which includes a Stop device for controlling the feeding or advancing movement of the blanks; f and which is an expeditious, inexpensive and highly efficient machine foradvancing blanks or the likeand feeding them. to-acart'on mahinpgmachine or other instrun'ientalit y,

In order-i to more clearly understand this invention reference may be had to the ac comp'anying drawings which illustrate-one embodiment of the invcntive'idea; whei'ein'- Fig. 1 is a: side elevation of the machine;

Fig; 2 is at-opxplan-viewthereof with p; omitted; i V i Fig. 3 is an end view partly insection' looking from the left ofFig. 1; f

Fig. 4 is an enlarged longitudinal sectional view on the line 4&4 of Fig. 2; i Fig. 5is a transverse sectional view on the line 5 of Fig. hand e Fig. 6 is-an enlarged vertical sectional view on the line 66 of Fig.

ieferring to the drawings, wherein like reference characters designate like "parts throughout the several views, theiframework of the machine is preferably constituted by a support or table 5 that is secured in any suit able manner on the upper ends of legs 6,1) the lower ends of whichv are'receive-d in sockets 7, 7 that are bolted or otherwise" suitably fastened to the machine-room floo'r'8. Fixed, on the opposite ends of the table 5 and extending transversely thereof are tracks'9', 9

strumentalities.

son CARTON BLAnKs. 1927. Serial No. 192,402.

for rollers 10, 10 that are journaled in brackets 1'1, 11 bolt-ed or otherwise suit-ably fas toned to a multiple magazineunit that is movable in opposite directions on the tracks 9, 9 to bringthe cartonbla-nk holders or magazines 12; 1250f said'unit into'a delivery position alignedwith and loading positions removed from and at opposite sides of the instrumentality to befed. The instrumentality to be fed is here shown'as comprised by a 're ceiver or trough 13 of a carton making machinevbut it is to be expresslyunderstood that the term receiver used in this description and the appended claims isintended to cl-udo any machine, device or instrumenty with which the machine of the present invention is associated. i P

- The multiplemagazine unit 12 12' is-pro Vided with a handle 14 by wh-ic-hsaid unit may be rolled in opposite directions along the tracks 9, 9 and, in accordance with the present invent-ion, means are provided for lookingthe- magazines 12, 12 in adelivery position v aligned withthe receiver or'trougli 1-3 and in loading positionsremoved from and at oppositesides of the receiver. Said locking'ineans preferably comprised by an 'L-shaped bracket one arm 15 of which is secured in any" suitable n'ia-nne'r' onthe table 5 at the forward side thereof as viewed in Figs: 1 and The other arm- 1-6 of said bl'acket sei'ves as a keeper having spacedopeni- ngs 17, 1 there- 'I'Iladapted to-receive a springcontrolledj bolt 18 slidably mountedjin an apertured lug 19 of a bracekt 20 bolted or otherwise suitably secured on the-front wall of the magazine 12.

The bolt 1 8 isprovided intermediate its ends with an abutment plat-e21 engaged on the under side thereof by the forward end of a lever that pivoted at 23 on bracket 20', the spring 25 for the bolt 18 encirclingt he latter and being interposed between the abutment 21 and an abutment 24 on-theupperend of-the bracket 20. r a V llnaccordancewith the present invention,

each magazii ie is provided with means-for feeding cartonblanks therethrough, the feeding meansof each magazinebe'ing constructedfor connection'wit'h or disconnection from a single mechanism for operating said feediug'ineans; 'The blank feeding means and the mechanism for operating the same are preferably constituted by the following in- Slidably mounted on the bottom walls of thema'gazines 12' and 12 are follower 26.

followers 26, 26 fixed on the front ends of blocks 27, 2'2" projecting downwardly through slots 28 and 28 extending longitudinally of the magazines 12'and12 and formed in the bottom walls thereof respectively. The blocks 27, 27 are provided at the opposite sides thereof with spaced flanges 29, 29 and 30, 30 (Fig. that sli dably engage opposed :dge portions of spacing pieces 31, 31 forming part of the magazine unit and em tending longitudinally of the same. These spacing pieces, together with the flanges 29, 29 and 30, 30, of the followers, prevent displacement of the latter from the l'l'litgZlZlllOFi and insure that the followers will always be properly guided in the slots and 28. The follower blocks 2?, 27 have suitable openings 32, 32 extending theretln'ough that receive pins 33, 33 at the upper ends of which are ilXOCl weights 3 f, Set. Thelower end of each of the pins 2-33, 38 is provided with a projection 35 and 5) adapted to be engaged in one of the links of a chai n 2:38 that serves to propel the followers along the magazines. Fired on the weights 3%, 84: are pins 3T, 37 adapted to engage in openings 88, 38 formed in inclined rear portions 39, 89 of the follower blocks. 1

As shown in Figs. 1 and 2, the magazines l2, l2 occupy aligned delivery and removed loading positions respectively relatively to the receiver 18, and the follower 26 is con nected with the chain Carton blanks already loaded in the magazine 12 and the receivcr 13 will then, in accordance with the present invention, be packed between the fol lower 26 and steps 39, 39 at the left end of the receiver 13. The mechanism for packing or clamping the carton blanks in the magazine 12 and the receiver 13 is preferably constituted by the following instrumentalities. E tending outwardly from the table 5 and secured thereto in any suitable manner is a bracket ll) that carries a shaft ll journaled in suitable bearings on said bracket-and said table. Fixed on the outer end of shaft a1 is a hand wheel 42 that serves to rotate said shaft which has fixed on theopposite end thereof a sprocket wheel ll) meshing with the chain 36. The chain 3Galso meshes with and is adapted to travel. over sprockets 4a, L5 and 46, the sprocket being an idler journaled in suitable hearings on the table 5. The sprockets id; and 4:6 are fixed on shafts 47 and 48 respectively that are carried on brackets 49 and 50 bolted or otherwise suitably fastened on the table 5 at the opposite ends thereof. It will thus appear that with the parts in the positions shown in Fig. 2, the hand wheel 42 will onrotation thereof in the proper direction, move the chain 36 and the follower 26 and pack or clamp the carton blanks between the stops '39, 39 and the The carton blanks having been packed as stated, power from any suitable source is connected with the machine to operate it through the medium of the following instrumentalities. Fixed on the rear wall of the receiver 13 is a bracket 51 provided with spaced ears or lugs 52, 52 carrying a bolt 53. Pivotcd on the bolt is a yoke 5d, the front end of which carries the steps 39, 39 that project through slots 56, 56 (Fig. 1) in the rear wall of he receiver 13. A red 57 (Fig. 2) is 'iivotally connected at 58 with the yoke and extends therefrom to the. right through a suitable opening in the bracket 51. Inter-posed between an abutment on the free end of rod 5'7 and an abutment provided by the bracket 51. is a spring that encircles the rod 57 and normally tends to throw the forward end of the yoke 5-l to the right, as viewed in Figs. 1 and 2.

Pivotally connected with the rear end of the yoke 5%, as by a pin 59, is a link 60 that is pivoted at 61 on the free end of an arm fixed on the upper extremity of a rock shaft (33 (Fig. This rock shaft is journaled in. suitable bearings on' brackets 6a and 65, the bracket 64:: being secured in any suitable manner to toe bottom of the receiver The bracket 65 islixed on a cross piece 66 that is bolted or otherwise suitably fastened on collars 67 67 fixed on apair of the supporting legs (3, 6. Rigidly secured on the rock shaft 63 is an arm 68 the free end of which is provided with an apertured lug or ear 69. Extending loosely through the lug or ear 6i) is a rod that has fixed on one end thereof a collar 71 between which and the ear or lug69 is interposed a spring 7 2 that encircles the rod 70. The end of the rod 70 opposite that carrying the collar 71 is pivotally connected at 73 with theupper extremity of a lever 7d pivoted at 7 5 on a bracket 76 on the cross piece 66 (Figs. 1, 3 and 6). The lever 74: is proo lo.

. vided with a detent 77 that may be engaged with and disengaged from a detent 78 on a weighted pawl carrier or lever 79. This lever 79 is loosely mounted on a driven shaft 80 journaled in bearings 79, 79 on thecollars 67 67 and also having loosely mounted thereon a ratchet wheel 81, the teeth of. which are adapted to be engaged by a pawl 82 pivoted at 83 on said lever. The pawl-carrying lever 7 9 is provided at the end thereof adjacent the detents 7 7 78with aweight 84: and the opposite end of said lever has fixed thereon a pin 85 that rides in a slot 8-8 of a connecting rod 87 that is pivoted at 88 on a crank disk 89. The crank disk 89 is fixed on a shaft 90 journaled in suitable bearings 89, 89 on the cross piece 66 and said crank disk is provided with a sprocket wheel 91 around which passes a chain 92 that also passes around a sprocket wheel. 93 that is fixed on the driven shaft 80. Rigidly mounted on the shaft 80 is a sprocket wheel 94 around which passes a sprocket chain 95 that also'passes around a sprocket wheel 96 on a driving shaft 97-. This shaft 97 may "imam be the armaturesha'ft of an electric motor-or said shaft may be a component part of the carton makingor other machine with which the mechanism of the-present invention is associated. r I

Vith the parts in the full line position shown in the drawings and the magazine 12 and receiver 13 packed with carton blanks, pressure of the latter against the stops 39, 39 produces tension on the spring 55. When the pressure on thestops 39, 39 decreases, however, due to feeding-of the blanksins-uccession oil the end of the pack by any suitable means for this purpose, the-spring 56-and the rod 57 swing the yoke 54 about'the pivot 53in a counterclockwise direction, 'as viewed-in Fig. 2, this movement of the yoke beinglimited by the slots 56, 56*through which thestops39, 39

project into the receiver 13. Counterclock-' wise swingingmovement of the yoke S L -moves the link 60 to the left, asvieweddn Fig; 2, thereby, through the connections between said link and the rod 70, moving the'latter to the right and disengaging detents 77 and 78.

- Vs'h-enthese detents are 'disengagechthe weight 1 84 on the lever 79 causes-the latter to s-wi'ng in a clockwise direction carrying-the1paw l82 over one or more of the teeth on-the ratchet wheel-81 andmovingthe pin-85' to the outer end of the slot 86 in rod 87; The lever-7 9 is then pulled to the leftby the rod 87 and crank disk 89, thus im-partingpartial rotationto the ratchet wheel 81 in i a counterclockwise direction. i

Fixed on the hub-of the ratchet wheel -81 is a sprocket wheel 96" around which passes achain 97, saidchainalso passing around a sprocket wheel 98jfixed on the shaft 47 that carries the sprocket 4 L. It willtlius appear that when the ratchet wheel is rotated as-described, themsha-ft 47" will be rotated, in a counterclockwise direction by. the chain 97,

thus moving-thenpper reach of tliecliain '36 right, thereby turning the rock shaft 63 in clockwise direction and moving the lever 74:

to the left (Fig. 1), so that the detents77 and, 7 8 are again engaged by upward movement of the weighted end of the lever 9 imparted thereto as the-lever is swiing in a' clockwise direction by the connecting rod 87on crank disk 89. Further feeding of the carton blanks in the magazine12 and'receiver 13 is thus prevented'nntila number'of blanks have been fed'olf'the end of the pack 'snflicie nt to again decre'ase'the pressure on thestops 39, 39.

\Nhen the pressu-rcon the st0ps-39, 39 is again the bottom of the receiver 13.

decreased, the follower'26 is againadvanced and these operatlons .31'8..C0l1t111116(1,' as described, in an intermittent:mannervuntil all of thecarton blanks have beenfed out of the magazine 12.

Wh le the carton blanks vanced 1n the magazine 12 and receiver 13 and said blanks arebeing fed insuccession i v the left end ot'the pack, cartonblanks may be are carried. by a .crosspiece 100 extending transversely of the machine and secured to p \Vhen the supply. or blanks inthe magazine 12 has been depleted, the weight 3 1 on the follower block 27 is lifted and turned to the dotted line posi-- tion shownin Fig. 0, thereby disengaging the pro ection 35 of the p111 from the chain-36.

'ihe pin and the weight. 3 1 are thus sup ported 1n an 1noperat1ve- POSitlOli by the pin 37 which, on lifting or turning movements imparted to the weight 3 1 and the pin 33, rests on the rear. inclined'portionofthe follower block 2701' onthe bottom of the magazine 12, as desired. The bolt 18 is then disengaged from the opening 17 in keeper 16' by depressing the lever 22 downwardly, whereuponthe multiple magazine unit 12, 12 is pulled towardxthe front of the machine by the handle 1 1 until the magazines 12 and 12 have aligned delivery and removed loading positions respectively relative to the receiver 13. In the last named positions ofthe magazines, the spring: bolt 18 automatically. engages in the opening 17 of bracket arm 16, thereby locking said magazinesin said positions,

whereupon the weight34 and the pin 33 which have been supported. in an inoperative position by the pin 37, are turned so that the pins 33 and 37- dropin the openings 32 and 38 and the pin 33 is engaged with the chain 36. '1 he car on-blanks are. then packed; inthe magazine 12, and the receiver 13, by

turning-the hand wheeli2, whereupon. the mech ainsinth'at feeds the blanks in succession oil the frontof the stack is started and the blanks in the magazine 12 and the receiver 13 are advanced therein as described in connection with the magazine lVhile the blanks are being fed out of the magazine 12-, the magazine 12 may be loaded 'with'carton blanksthat arep laced in themagazine 12 between an end gate =10lsandthe follower 26.

which follower has :previously been moved I to the rightiadistance;sufficientto accommodate the desired number of blanks. This are being ad llltl end gate 101 is bolted or otherwise suitably fastened on the upper end of brackets 102, 102 that are carried on the crosspiece 100 at the end thereof opposite the brackets 99,99 and the end gate 98. When the supply of blanks in the magazine 12 has been depleted, the follower 26 is disengaged from the chain 36 and the multiple magazine unit is unlocked by depressing the handle 22 and disengaging the bolt 18 from the opening 17 in the bracket arm 10. The magazine unit can then be moved toward the rear of the machine by the handle l l until the parts occupy the position shown in Fig. 2, whereupon blanks that have been loaded in the magazine 12 may be packed and advanced therein as previously described. Fromthe foregoing it will appear that by the present invention, carton blanks may be packed and fed to a carton making machine or other instrumentality in a substantially continuous manner and that the feeding and the advancing movements of the blanks in the magazine are controlled automatically by the feeding of said blanks off the left end of the pack.

In accordance with the present invention, means are provided for retaining blanks in the receiver 13 while the magazines are being shifted, and for prevci'iting feeding of the blanks when the machine is running idly, said means preferably being constituted by the following instrumentalities. Pivotally mounted at 103 in a suitable slot formed in the rear wall of the receiver 13, is a lever 10 1 which, when the magazines are being shifted or when the machine is running idly, is turned into a substantially horizontal position so that the front end of said le er lays across the receiver 13 and confines the carton blanks therein between said lever and the stops 39, 89. This lever10a is provided on its rear end with a cam 105 that is adapted to engage a roller iournaled on the link 60. Engagement of the cam with the roller 106 holds the yoke '54- and the link 60 against movement and thus prevents the cartons in the magazine and receiver from being. advanced by the follower when the machine. is running. It will of course be understood that when; the blank feeding mechanism started, the lever 10 1 is raised to an inoperative position so that the cam 105 disengaged from the roller 106.

Projecting through suitable openings in the front and rear walls of the magazines 12 and 12 respectively, are stop members 107 and 107 that are pivoted at 108 and 108 on said walls. These stop members 107 and 107 are provided with arms 109 and 109 to which are connected the outer ends of springs 110 and 110. The inner ends of these springs are connected at 111 and 111 with the front and rear-walls of the magazines 12 and 12 respectively, and said springs tend to swing the points of the stop members into the magazines so that the said step members prevent move ment of the carton blanks to the right if, for any reason, itis desiredto move the followers of the magazines to the right in the delivery position of the magazine relative to the re- The stop members 107 and 107 are ceiver 13. I provided with inclined cam faces 112, 112 that are engaged by the carton blanks during advancing movement thereof in the respective magazines. As the carton blanks are advanced intermittently in the magazines 12, said blanks ride over the cam face 112 and swing the stop member 107 forwardly against the tension of the spring 110. As carton blanks are advanced in the magazine 12, said blanks ride over the cam face 112 and swing the stop member 107 rearwardly against the tension of the spring 110.

l/Vhile one illustrative embodiment of the idea has been described in detail, the scope of the invention is not limited to such embodiment, or otherwise than by the terms of the appended claims.

What is claimed is:

1. In combination, a. receiver, a support adjacent thereto, and a. blank holding magazine mounted on said support for movement to a deliveryposition aligned with said receiver 0 and to a loading position at one side thereof.

2. In combination, a receiver, a support ad- JZLCGIlb thereto, and a blank holding magazine arranged on said support for movementtransversely of said receiver to a delivery position 1 in alignment therewith and to a loading position removed therefrom.

3. In combination, a receiver, a support adjacent thereto, and a plurality of blank holding magazines each mounted on said support for movement into and out of alignmentwith said receiver so that blanks may be delivered thereto fro-mone magazine while blanks are being loaded in another magazine. 7

4. In combination, a receiver, a support adj acent thereto, and a. plurality of blank holding magazines mounted on said support and selectively movable to delivery position aligned with said receiver and to leading positions removed therefrom.

5. In combination, a. receiver, and a plurality of blank holding magazines arranged as a unit reciproeable transversely of'the receiver so that blanks may be delivered thereto from one magazine while blanks are being loaded in another magazine at one side of ing magazine mounted on! said track for movement to an aligned delivery position relativeto said receiver and to a loading position at one side thereof.

8. In combination, a receiver, a blank holding magazine open at one end and movable into and out of alignment with the rec eiver to a delivery position and a leading position, and

means for closing the open end of said maga zine while it is in the loading position.

9. In combination, a receiver, a blank holdloading position.

10. In combination, a receiver, a pair of. blank holding magazines open at correspond ing ends and arranged as a unitmovablev transversely of the receiver to selectively bring the magazines in a delivery position aligned with the receiver and loading positions at opposite sides thereofrespectively,

and means at said sides of the receiver for closing the opeirends of the magazineswhile they are being loaded. v

11. In combination, a receiver, a support adjacentone endthereof,,,a blank holding magazine movable on said support transversely of the receiver to an aligned delivery position relative thereto and to a. loading position removed therefrom, and means for locking saidmagazine in said positions.

'12. In combination, a receiver, a supportadjacent oneend' thereof, a blank holding magazine movable on the support trans versely of the receiver to a delivery position alignedtherewith and to a loading posit on removed therefrom, andmeans for lock ng the magazine in said positions comprising a keeper on the support provided with spaced openings and a movable member on the magazine adapted to be engaged in and disengaged from the openings of said keeper.

13. In combination, a receiver, a support adjacent one end thereof, a blank holding magazine movable on the support transvci-sely of the receiver to a delivery position aligned tllOlQWltll and to a loading position removedtherefrom, and means forlocking the magazine insaid positions comprising a spring-controlled bolt and a keeper, onecarried on the magazine and the other 011 said support. u

14.- In combination, a receiver, a support adjacent one end thereof, a blank holding magazine movable on the support transversely of the receiver to a delivery position.

aligned therewith and to a loading position removed therefrom, and ineans for locking the magazine in said positions compr sing a spring-controlled bolt and a'keeper, one cari iedon the magazine and the other on said mechanism.

bolt. V a

1.15; In combination, a receiver, a pair of blank holding magazines arranged as a unit and: movable transversely .of the receiver to selectively bring thev magazines in a delivsuppert,;and' an operating handle for said I,

cry position ali ned with the receiver and loa ring positions at opposite sides thereof, ant, means for locking said unit to hold the magaz nesins-aid positions. Q

Iiicombination, a receiver, a support adjacent one; end thereof, a blank holding magazine movable on said support transversely of the receiver to a delivery position aligned thei'ewithairdtoa loading position removed therefrom, andmeans forfeeding blanks from themagazine to the receiver comprising fol-lower operating mechanism and a follower in the magazine adapted to be connected-with and disconnected from said =17.Iiii combination, a receiver, a blank holding- 'i'nagazine unit movable transversely of the receiver;- to selectively bring the magazines in. an; aligned delivery posi tion i-elativejtothe receiver and loading positionaremoved' therefrom, and means for feeding blanks from the magazines to the receiver comprising follower; operating mechanism and a follower in eachmagazine multiple adapted to be ,connectedwithand disconnected from said} mechanism.

18. In combination, a receiver, a blank holding inaga-zine movable transversely of the receiver to an aligned delivery position relative to the receiver-and to a loading position rcinoved'therefrom, means for feeding blanks frenrthe magazine to the receiver comprising a driven element arranged exteriorly of-themagazine and afollower; slidablymoiinted in the magazine, and means for connecting saidfol-lower with and for disconnecting, the follower from said driven element. a v 19. In combination, a receiver, a multiple blank holding. magazine unit movable transversely ofthe receiver to selectively bring the magazines in an aligned delivery position relative to the receiver andto loading positions removed therefrom, means for feeding blanks from the magazines to the receiver comprising a driven element arranged exteriorly of said unit and a follower ari'ai'igedin each magazine for sliding move,- ment therealong, and means on each follower for connecting and disconnecting the same from said drivenelement. z. s

20. In combination, a blank holding magazine, means for feeding blanks therealong comprising an endless driven element disposed adjacent themagazine and a follower mounted in said magazine" for sliding movement in opposite directions along the same, and a device mounted'on;.theffollower for rotary and sliding movement and adaptedto connect said follower with and disconnect the same from said endless driven element.

21. In combination, a blank holding nagazine having a slot in the bottom thereof, an endless driven element arranged under the magazine adjacent the slot, a follower SllClably mounted in the magazine, a device rotatably and slidably mounted on the follower and adapted to be connected with and disconnected from the endless driven element through said slot, and means on saiddevice adapted when it is lifted and rotated, to hold said device in an inoperative position with respect to said driven element. 7 i

22. In combination, a blank holding magazine, stop means adjacent one end thereof,

follower operating means, a follower in the magazine and adapted to be connected with the follower operating means, and manually operated means for actuating said follower operating means and the follower so as to compress or pack blanks in the magazine between said stop means and said follower.

23. In combination, a receiver provided with stop means, a magazine from which blanks are fed to the receiver, follower op erating means, afollower in the magazine adapted to be connected with the follower operating means, and manually operated means for actuating the follower operating means and the follower so as to compress or pack blanks in the magazine and the receiver between said stop means and said follower.

24:. In combination, a receiver provided with stop means, a magazine movable transversely of the receiver to a delivery position aligned therewith and a loading position removed therefrom, follower operating means adjacent the receiver, a follower in the mag azine adapted when the latter is aligned with the receiver, to be connected with the follower operating means, and manually operated means for actuating the follower operating means and the follower so as to compress or pack blanks in the receiver and the magazine between said stop means and said follower.

25. In combination, a blank holding mag azine having a slot in the bottom thereof, stop means adjacent one end of the magazine, an endless chain mounted under the magazine, a follower in the magazine adapted to be connected with the chain through said slot, a shaft geared to the chain, and a hand wheel fixed on said shaft for rotating the same to move the chain and follower and compress or clamp blanks in the magazine between said stop means and said follower.

26. In a machine of the character described, a trough or the like, a follower for advancing blanks therein, a stop projecting in the trough and movable under pressure ,of blanks fed thereagainst by said follower, follower operating mechanism'including driven shaft, a ratchet wheel loose thereon, driving connections between the ratchet wheel and the follower, a pawlcarrier mounted loosely on the driven shaft for movement by gravity in one direction, and a' pawl on said carrier adapted to turn said wl eel on movement of the pawl carrier in the opposite direction, means driven from said. shaft for operating the pawl car rier in the last named direction and having a lost motion connection with said carrier, and means connected with said stop and controlling the movement of the pawl carrier.

27. In a machineof the character described, a trough or the like, a follower for advancing blanks therein, follower operating mecha nism including a driven shaft, a ratchet wheel loose thereon, driving connections between the ratchet wheel and the follower, and a pawl carrier loosely mounted'on the driven shaft and carrying a pawl for turning said wheel on operation of the pawl carrier, means driven from said shaft adapted to operate the pawl carrier and having a lost motion connection therewith, a latch, a stop projecting in the trough and against which the blanks are fed by the follower, connections between the latch and the stop and operable by pressuro'of blanks on the latter, to engage said latch with the pawl carrier and prevent the operation thereof, and means adapted when pressure on the stop is relieved, to operate said last named connections whereby the latch is disengagedfrom the pawl carrier so that the latter may be operated.

28. In a machine of the character described, a trough or the like, a follower for advancing blanks therein, follower operating mechanism including a driven shaft, a pawl and ratchet mechanism loosely mounted on the driven shaft, and connections between the ratchet and the follower adapted to advance the latter, means driven from said shaft adapted to operate the pawl andratchet mechanism, a latch, a stop projecting in the trough and against which the blanks are fed by the follower, connections between the latch and the stop and operable by pressure of the blanks on the latter, to engage said latch with a part of the pawl and ratchet mechanism and prevent the operation thereof, and means adapt ed when the pressure on said stop is relieved, to operate said last named connections where by the latch is disengaged from said part and the pawl and ratchet mechanism is operated by the pawl carrier to advance said follower. 29. In a machine of the character described, a follower, a stop operated in one direction under pressure of blanks fed thereagainst by said follower, means for operating said stop in the opposite direction when the pressure thereon is relieved, follower operating mechanism, connections between the follower .operating'mechanism and the stop movable with the latter in opposite direction to control the operationof the former, and a manually operable device adapted to be engaged with a part of said connections to thereby prevent movement of the same and operation of said mecliation of the latter, and manually operable anism. v means adapted to be engaged with a part of 10 30. Inamachine of the character described, said connections to thereby prevent Operablank feeding means a stop movable under tion of the same and said mechanism.

5 pressure of blanks fed thereagainst by said In testimony whereof I have signed this means, mechanis nfor operating said blank specification. feeding means, c0nnecti0ns between said stop 7 v a I and said mechanism and controlling the oper- WVILLIAM C. YOUNG.

Images