US1465702A - Slicing machine - Google Patents

Description

ug, i923. L465f702 s. WILE .SLICING MACHINE 40 a 4g 56 mlm n. 4U @Zzgl INVENTOR.

' w ATTORNEY@ Aug. 21, 1923.

' S. WlLE SLIQING MACHINE Filed June 24. 1922 5 Sheets-Sheet 2 INVENTOR blaiwz fw?.

Aug. 21, '1923. M6572 S. WILE(a e SLICING MACHINE Filed June 24, 1922 5 sheets-shee 3 INVENTOR has ATToRNEY ug. 2, i923,

,455, 792 s.vvu E SLICING MACHINE Fild June 24, 1922 ssheets-Sheet 4 ls ATTORNEY@ Aug. 2l, 1923. hmmm E VVH-E SLICING MAGHINE` Filed June 241 1922 5 Shees-Sheet 5 Patented Aug. 21, 1923.

` attain SOLOMON iivILE, ornocnnsfrnn' New 'sLIOING MACHINE.

Application led J une v24,

To all whom 'it may concern:

Be it known that I, SOLOMON ViLina citizen of the United States, and resident of Rochester, in the county ofl Monroe and State of New York, have invented certain new and useful Improvements in Slicing Machines, of which the following'is specification.

' The present invention relates toV slicing.y

machines, and an object thereof -is to provide a slicing machine, which will hev du-V rable in construction', simple'in operation and inexpensive to jinanufacture. Another object of the invention is to provide anim# provedmechanism for operating thelongitudinally movable carriage, so that a maximum movement of said carriage may be obtained. Still another object of the invention is to provide anv improved operatingv mechanism for the rotary cutter or knife. A further object of the invention is to improve the feeding mechanism for the transversely movable carriage. ther object Vof the invention is to provide-a feeding mechanism for a transverselyniov-f able carriage, having provision whereby the carriage may be accurately fed, step by step,

any desired amount, evento a very small.

fractionvof an inch.v A still further object of the invention is to provide a construction in whichthe transversely movable' carriage is held against feeding toward'the Vknife under the action'of the knife during the cutting ofthe material on the cariage. An-

other and still further object of the invention is to provide a feeding mechanism for he transversely movable carriage, embodying a Vratchet wheel and pawlwitli means for controlling the pawl, so as to varythe engagement between the pawl and the ratchet wheel, to change the amount of feedingof the feeding' mechanism. Another and'stillV further object of the invention .is to provide-a feeding mechanism vfor a longitudinally andv transversely movable' carriage,

embodying a ratchet wheel and-.pawl with a detent operated upon the .longitudinal movement of the' carriage and adapted to hold the ratchet against. turning` under the i action of the cutting blade. Y

To Nthese and other ends, the invention consists of certain parts and combinations oflparts, allof which will be hereinafter described :l ythe novel features being' pointed out in the appended claims.

n'iechanism' for Another and still fur-.

1922. semina. masia.

In the drawings:Y

F'g. l is a fplanviewfof the'fniachine conf structed in accordance .withf this invention;v

Fig; Qis arear view of the machine illusV trated in Fig. lf;

`F`g- 3 is an enlarged plan view with the parts being illustrated in section; .Y

sof

clamping Vmeans and knife guardv removed; i

Figfis a-sectionoii theli-neret-llglig. 37'; Fig. 51s a section on the line 3 ;Y Fig. 6 is a fragmentary plan view show-.z

ing. partsfof the two carriages broken Yaway forthe pu pose of 'illustrating'the feeding 'g carriage; Y j f i l l Fig. 7 is. a section on the line 'Tf-@Fig 6;

FignB is Van enlarged frag-me'ntaryy view of the feeding` mechanismv VforV movable carriavfe; 'l

thev transversely movable the transversely,

Fig'. 9 isa detailview of the means byV which the' llockingfdetent ofI the `ratchet wheel 1s ope-rated-;A Y y f f .jl K.

Fig. lOri's: another view of heoperating ratchet wlieelg'v abutments foirthe' locking detent of the.

Fig.V ll is a Yfront View ofthe machineconstructed .in accordance 'with this invena` tion; Y Y. l y,

Fig.A lQisY a vertical section, showingthe dri-ving`ineans for the cutter; and .Figz 13j isa sectionon the line Fig. 6. Y

In the illustratedembodiment. of the Viiivention, there isprovided a main frame having abas'e portion l- Vfrom which rises Va hollow standard 2suppor'ting a topportionA 3, which closes the upper endgof the standard, the-lower end of the? standard opening through'th'e base portionl, so that theinterior ofthe vstandard may "l be reached through the bottom of the mainframe. kThe.

top vportion extends from oppositesides Vof the hollow standard 2 and is provided with parallel guides 4. projecting'fromY opposite). sidesl .thereof and having guideygrooves 5 providedpon these inner sides. YOn the guides 4, a'longitudinally movablecarriage 6 1s mounted to slide, said carriage .having dependingFV and outwardly ex'tendingguides 7 operatingin the grooves-5 of theV guides 4.

Vithinl vthe hollow/standard 21a cross piece' 9 is arrangedxonwhich ashaft k10 is secured,l there being arranged 'above said v cross piece 9v to turn onfsaid shaft', a Vgear memher'llprovided on the-under sidevvith 110 a bevelled gear surface 12. VVih this bevelled gear surface a bevelled pinion 13 meshes, said pinion being secured to a shaft 14 which is journalled in a bearing 15 in the side of lthe standard 2. A fly wheel y16 is secured to this shaft 14 and has a Vcrank handle 17 thereon through which the shaft I j l adaptedrto enter into a notch 41 inthe opi ,pOSiteiend-ofthe. segmental guard 36. This 14 may be turned to turn the gear 11.

The gear 11 carries on its upper surface, a. projection 18 to which a pitman 19 is` pivotally connected at 20, this pitman 19 preferably having a connection with the carriage 6 which will move the carriage on the main frame a greater amount than the throw of the pitman. rlhis result is secured,l

, 22 secured to the main frame. The pitman plates.

19 has a gear 23 journalled on the outer end thereof at 24 and meshing with both of the racks 21 and 22. In order to maintain this intermeshing relation, two plates 25 are secured'on opposite sides of the gear 23 and lie above and below the racks 21 and 22, these plates projecting beyond the perimeter of the gear 23, so that the racks 21 and 22 operate between 'the plates in a groove or way provided by the outer portions of said As the rack 22 is stationary, it is apparent that when the pitman 19 is moved, the gear 23 meshing with said raclr 22 will produce an increased movement in 'the rack 21, thus giving to the carriage 6 a greater movement than the throw of the pitman.

Arranged to operate in a plane'at a slight angle tothe line kof Inovementof Vthe carriage 6 is a cutter 26 in the form of a circular bevelled disk which is secured to a shaft 27 journalled in a bearing 28 in the main frame and extending through the main frame intol the hollow standard. A nut 29 secures this blade to 'the shaft against the collar 30 on the rear face of the blade, a groove collar 31 being interposed between the nut Y and the blade having a purpose which will be hereinafter set forth. On the inner end of the shaft 27 a pinion 32 is arranged, which meshes with a gear 33 ona counter shaft 34, said counter sha-ft being journalled in the main frame and hav ing a bevelled pinion 35 thereon which Vmeshes with the teeth 12 of the bevelled gear 11, thus providing a. speed increasing means between the bevelled gear and the cutter.

In order to provide'for guarding the edge of the cutter, a segmental guard 36 is pro` l ter. l'This segmental guard covers all of the `Abe sliced.

which is pivoted at 39to one end of the segmental `guard 36 and has a free end 40 movable guard 3S may also act as a stripper and to this enduit ismovable to the'position shown inV fulllines in'liig.;v 11 so-th-at 'a prtion thereof may .enter'thefgrooved' washerl 31, so as to support the Ygua-rd and-stripper? in the position` sho-wn in Fig. 11. lnorder` that the guard 36 may Vbeheld in guarding; position, a detent 42 is provided which .-'i's pivoted at 43 to the top 3 of the lframe and .has one arm provided with Y af laterally extending portion 44 for cooperating.-with.Y

the underside of the vtop-3 and the otherarm adapted Yto cooperate withxtheguard.l 36 adjacent the pivot39.' The movementV of the end 44. downwardly shifts'the oppo'-` site end of thisdetent or latch 42 upwardly,

-so that the guard 36 `withfthe. combined;

guard and stripper 38 rmay bel-swung away lfrom the blade to permit the cleaning of the atter. Y Y

There may be also provided a receptacle ao: Y

movable carriage 6 is a transversely movable carriage 49,5 which has its opposite edgesV movable beneath overhanging .guides .50

formed on the top surface of the carriage 6, the top surface of the carriageG having atone side of the carriage 49 an abutment 6? against which the material may rest during: thecutting action. The carriage 49 .maybe moved by a suitable mechanism which, in this instance, comprises a rackj le'secured.` tothe under side of the carriage49 between saidcarriage andthe carriage 6. With-this; rack a pinion 52 meshes,rthis piniomb'eing journalled on the carriage at 5,3'andinv ing throughY this opening .above thestop-.ioffV the carriage to mesh with the gear .52. l:Se-V cured to the shaft of-the pinion 5,4 to turn' with said pinion is a ratchet wheel 58',- lying below the table 6; With this ratchetwheel,.

an advancing pawl 59Vis adapted t o.eng'age,-l

this pawl being` pivotedlat 'on a swinging arm 6l andbeingheld towardthev ratchet wheel'by a-'spiing 62. rhe swinginginember 6l is journal'led on the shaft of the pinion l 54 to turn about an axis common to the axis. of turning of the pinion of the ratchet wheel 58, this swingingmovemcnt ofl themember 6l being communicated to the pawl 59, and,

when said pawl engages the ratchet wheel, effects the movement of the ratchet wheel. and consequently the movement of the pinion 54. ormally this swinging member .is Aheld in one position by a helical spring 63, which is secured at one end to the swingingmem-,- bei` 6l Vand at the other end to the carriage 6 at 64. Movementof the swinging member 6l in the opposite direction is effected by a stop or abutment 65, secured to the top por.-

tion 3 of the main frainein such aposition f that themember 61 is swuno to advance the:

carriage 49 toward the knife blade, astlie carriage Greaches that ond of its movement and immediately prior to the advanceof theY carriage 6 toward the knife on the new cut! l tingr action, so -that the material on the carriage 49 will be advanced for the newY cutting action. lilith the end in viewV of preventing' the retrograde movement ofthe ratchet wheel 58, theremay be provided a detent or pawl 66 pivoted at 67 to tlielbracket to the under Side of the carriage 6 and hav-v ing' a nose 7l, so disposed that it will engage the inclined faces of the ratchet wheel teeth to prevent the` advance of the ratchet wheel. Of course, this detent 69 should not engage the/ratchet wheel 58 during; thev feeding or advancing` movement of the ratchet wheel, and in order to throw the detent 69 out of engagement with the ratchet `wheel, during the feeding movement, the detent may have a depending projection@ which is adapted to cooperate with an abutment 73, pivoted at 74, to a block 7 5 which is secured to the top portion 3 of the main frame, a spring 73a normally holding. said Vabutment inl operative position and permitting the yieldingof such abutment on'tli'e return of thepdetent. Just prior to the engagement of the swinging frame 61 with the Aabutmentv65, the detent 69 through its projection 7 2 cooperates with the movable abutment 7 3 and is shifted away from detaining position. A spring 76anchored at `77 to the carriage 6 and atl72 tothe detent holds the 'detentin two, positions, this being Ydue to the mounting, of this spring which swings, so/that-its axis', in onerposi- Vtion,.lies'on,one side of the axis of*Y turning 7 O on the detent 69V and, iii the other position; lies on the opposite sidejof the axis of'turning of said detent-'69. the detent G9, to detaining position is effected on themovement of the carriageV 6 towards the knifel onithe cut-ting action. rlhis result is secured, in this insta-nce, by an abutment-v 7 8, pivotedat 79,--to the block 7 5 and adaptedY A to engage thev depending -projection72 on The A movement of the detentf) on the movement of the detent Y with the carriage 6 toward theknife blade y on the cuttingaction, the springi 76, before mentioned, holding the `detentrin detain'ing position.VV 'A spring 7 8a vcooperates with the abutment .7 8 to permit the lat-terto yield' on the movement Aof the detent direction over said. a butment,

r"here may be provided means. for varying the size ofthe cnt-this being effected by varying the'k amount of feed of the carriaicrc` 49 von the carriage 6. 'This result is accomplished, in this instance, byA a thumb inthe reverse wheel 8O mounted on ashaft 8l .and having'l 1 nraduationsy6:9J for cooperation with a liz/:ed

index 8.3. A springarni'SO21 with Aa-too'th 8Ob thereon cooperates with a notched portion 80C on the thumb wheel to hold tlie`latter in its adjusted'position.` yThe shaft V8lV of the thumb wlieelhas an arm 84 -extendingl Vlaterally therefrom and pivotally connected- .to alinl- 85. This' link in turn is pivotally connected at 86 to a controllinginember 8T vfor the pawl 59. The controlling member is, 'in this instance, in the `foiinof a disk Journalled on the hub of the pinion 54 and havingiits periphery formed on twocurves l88 'and 89 concentric to theaxis, of turning of the disk 87, but vhaving radii of differentl length.` p radius, isarranged to cooperatewvith the The curve 88,' with' the" longer Vpawl 5.9 and to hold tlie'latter out-of. en-Y y gagement with the ratchet wheel 58, while` the curve-89, with the shorter radius, per? mits the pawlto enter into engagement with inv member 6l isin normal position, where it is held by the spring` 63, it lies in engagement with the curved portion-.88 of the periphery of the controlling member 871 but, toward the Vend of theV movement of f the swinging member 6l under the action ofthe 11o the ratchet wheel 58." vWhile the swingy abutment 65, the pawl passes onto-the curved portion'89 of the periphery of the ,controlVA ling member 87 and shifts the ratchet wheel V58 an amount determined by the adjustment:

ofthe controlling member 87. It. is'apparf ent-that this amount maybe varied by shift'- ing the junction'point between the curved portions 88 and 89 withreference to the ratchet -w-heel vthroughthe turningl ofthe 59,66 and 69A out of cooperation with the ratchet Wheel rl"his means is, in this inv stance, in the form 'of a lever 90 pivoted at forms the basis of another. application iled` by me, vhere .vill be found afull descriptionof the operation of the parts herein shown. Generally tiis clamping means enr bodies two posts 9T` having slides 9S movable thereon and connected bj a clamping bar 99.

The operation of the invention will be understood from the foregoingdescription, but it may be summarized as follows: T he material to be sliced is held Aby the clamping means on the transversely movablefcarriage or table which is slidable on the longitudinally movable carriager G. The latter is operated back an forth past theeilecting cutting portion of the knife 2G by the turning of the crank handle 17 *which turns the gear l2, the latter being geared to the cutting knife or dislr 26 through speed increasingv means and said gear l2 also'being connected i to the carriage 6 through ay movement aincn f plifying means which produces a larger movement in the longitudinally7 movable carriage, than is possible to obtain through the throw of the pitman, Whie i is yconnected to said gear l2. TWhen the carriage 6 approaches the Yend of its movement just prior to its movement to present the material to its cutting blade, the paivl or detent 69 is shifted to free the ratchet Wheel and thereafter the pawl 59 is shifted to turn the VVratchet Wheel Yan amount determined' by the setting member 80. y This carries the carriage or table 49 toward the knife or cutting blade on the carriage 6, and, upon the move-v ment of the. carriage 6 toward the cutting blade, the detent again interloclrs with the ratchet wheel 58 andprevents the advance movement of the ratchet Wheel under the action of the lrnife in cutting` the material. j ,Y

i From the foregoing it -will be' seen that there has b en provided an improvedV slicing machine which is durable in construction and 'inexpensive to manufacture. in amplifying movement of novel construction is employed"betiveen'the driving gear and the longitudinally movable carriage.V An im proved driving means is employed between the cutting blade and the drive ror power shaft of the machine.v There has also been employed a novel means for controlling to a very line extent the amountof feeding of the transversely movabley carriage on the vbase frame, a

longitudinally movable carriage. Provision: c

has been made by .vhicli the action of the. cuttine blade on the material in cutting does not advance the transversely movable carriage on the longitudinally m vable carriage-i What l claim as my invention and desireV to secure by Letters Patent is:

l. ln a slicing machine, the combination with a main frame, embodying ay hollow-V standard, anda top substantially closingsaid standard and projecting from oppo-V site sides thereosaid topv having guides thereon, of a carriage Vmovable on saidguides, a material supporting carriage movable on the first mentioned ,carriageY transversely of the'line of movement of said first mentioned carriage, a rotary7 .cutter on the base frame to operateY upon the ma# 4terialonthe material supporting carriage,

n ber, a pitman eccentrically,connected with" saidv rotary niembor and having a gear journallcd on the outer end thereof, a rack on the base frame and Ameshing With said;k

gear, and va racl; on the carriage meshing with said gw. 3. A slicing machine comprising a base frame, cuttingy mechanism mounted on the carriage movable past said' cutting mechanisnna mechanism for inev-v ing saidY carriage embodying a rotary mem- Y ber, a pitnian eccentrically connectedv with;

said rotary member and having a 'gear journalled on the outer end thereof, a rack on the base frame and meshing with saidH gear, a rack on the carriage Ymeshing.'with` said gear, and tivo disks supported on -,op-1 positesides of said gear and cooperating; with opposite sides of the two raclrs.-

fl. A slicing machine comprising ya base. frame, cutting mechanism mounted onV the base frame, a carriage movable past-V the cutting mechanism, a -material .supporting carriage movable on the first mentioned carriage transversely of the latter tovvard` and from the cutting mechanism, and mechanism for feeding the second mentioned car-j ria'ge on the first mentioned carriage embodying a toothed member mounted onfthe` first mentioned carriage and vgearedto the secondmentioned carriage, a movable mem-A ber mounted on the first mentioned carriage and carrying an advancing pawl cooperating With said toothedniember, means'on the base frame cooperating with said movable memb'er'to Veii'ect the movement of the latter "and through such movement tofeect the movement of' the toothed Amember,and advance Apreventing means cooperating Awith Said toothed member to prevent the advance movementV thereof, under the action' of `the cutting mechanismopei'ating upon the material' on Vthe 'material supporting carriage.

`5. A slicing machine comprising a 'base frame,V cutting "mechanism mounted lon the 'base frame, a carriagemovable -past the "cutting mechanism,` afmaterial supporting carriage movable onthe j first mentioned 'carriage transversely ofthe latter toward and from the cutting mechanism, andfmech? anism for feeding' Vthe second'mentioned ca r.-

ri'ageon the irstmentioned carriage ein# bdyiiig atoothe'd'member mounted on the first mentioned carriage and geared 'to the second mentioned carriage,l `aj'movable mem- `her carrying an advancing Vp21-Wl,v mounted advance movement thereof,l under the action Y on the first mentioned carriage and cooperating with said toothed memberQmeans; on the base frameoooperating with saidmovable member Vto eifect'the movement of the latterand through suchino'vement toV eect the movement of thezftoothed member, and:

advance preventing means cooperating Withsaid toothed ,member .to 'prevent the of the cutter mechanism onerating'npon the material AonV the 'material supportingr `cai'V riage, said means embodying` a pivotedfde tent on the irst'mentioned-carriage.

6.1A slicing machinefcomprising abaseY Yframe', cutting mecl'i'anism vmountedon the base frame', a carriage movable pastthe cut- Y tingineehnism, a materialsupportingcarfY -riag'e movable on *the first mentioned" car-` riage transversely of thelattertoward andV from the cutting i'nechanisni,Y and mechanism for feeding the'- second mentioned cair-VL Yriante on the firsti'nentionedl'carriage embedying erteeehed Ymember, imprinted' on the Y first v'me`r'nti' o \ned carriageV and *geared to' the 'second mentioned earregd'a 'movable inein- Ybeia carrying 'an advancing pa'wl, mounted on 'the 'first mentioned {carriagefand 'col 'operating-with seid toothed member, means on vthe baseV framev cooperating" Witli's'aid movable member to eeet the zmovement of the latter and through" Suchenio'vement "to effect the movement of the toothed member, and advance preventing means @seperating with said toothed .member to prevent the f advance' Imevement' thereof,= -nnde'r the action of .the l cii'ttingmecha'nism operating upon the material Yonthe;inaterial support- .ing carriage, and 'means' autoi'nzi'ti'callev shifting saidY advance preventing means 'inte and'-outfoffcooperation with the tooth-'ed member to toothedy member.I

17. A slicing machine eomprisinga base' Afrom-the ou vrn0 for 'feedingthe second mentionedlcarriage j, i i i "105':

A ing with said permit the patvlfto operate :said v base 'framefa 'carriage movable'A pastthe euttingmefchanism,1a material supporting carriage movable onV the irst mentioned'carf riage transversely' o1 Y the latter toward VVand .from the'gci'itting mechanism, and mecha- `nisin for'feedivg the secondmentiloned car;

riage 4on ftl'ie'icijrstnv menti'onediV carriage-feine? bodying a toothed'm'ember mounted :on the li'rst mentioned'arriage l and gearedV torthe second mentioned Acarriage, a Vmovable'niember' carrying an advancing] pavl, fmouiited .,enthe, first mentioned.'carriageand'coopt erating'-ivith rsair'l' toothed vmeifnber,A linea-ris on"thef "base` lra'rnc" cooperating With .said

frame, cuttingmechanism mounted onjthe movable member .to 'effeotf-their'io'vementoy I the latter'- Vand throughfsi'i'cli inlovement fto ing with Vsaid;'toothed member top r vent the-advance ofi-.the toothedinember pendently -otsaid detentgmeans on thebase said first' mentioned carriage andjcooperatframe for`1 coopejratng with s'aidV advance preventing detent to shift the latter' out cooperation Withthe toothedinember prior to the s ,liiftingjofv such toothed member by the pawl,4 ,and means Vfor shifting sa'idfde-A Vtent into cooperation with the tootliedmen -ber after -theflatter'li'as been fad( 7danced 'thief hed member, Y

- 8.` A slicing inach'ine`comprising a baseV carriage inf'iaiable on -t onv the first 'inentioned"carriage embodving.

'mentioned- "carriage,v g :movable base' 'frame coopera; member to eilect`tlief`inovementf of Vthe laftter and through such-'movement tofoliectjthe i tof theltoothd member, an ad-Y 'irst mentioned caiaiagU f' YVthe Y 'latter toivard and 'framacuttingmechanism vinoui'ited ion thefv base; frame, lcarriage Vmovable past the' Vcutti-normechanism" a material su ortinf '100 f zu 7 Y 23 `With said toothed finei'nherto prevent thead i vVance of the ratchet independently'otsaid detent.- means on fthe' vbasefframe -or lco'- 'operating ivitli said advance preventing deteiitlto shift the latiL iviththe 'toothed i; ing" of suchitoothed `means 'fon-shifting saidf jdetent in to' Vcoopr Vout loi' cooperationl An'iber priorA to the shift ,bef Yte the leem, f f *Y i eiationniitli-tlie 'toolhedfmeinberfafter the latter has vbeen Vadvanced byV tliepawliand 'a single 'spring acting,onsaidadvance pre-f f venting detent to VholdY the latter` in 'itsjtvvo positions f' 1 1 .Y 'Y

iso

" effect. the movement ofthe-toothed member,

a pivotallymounted f yadvance preventingT detent for cooperating' with saidjtoothed member to prevent the ad\f-ance.movement of Vthe latterindependently" of saidY advanc- Y cutting mechanism, a Y

ing'patvl, a spring;` 'connected to said detent at oneside of the pivot or" thelatter and adapted'to Vhold the detentfin cooperation with the toothed member and also out ot cooperation with said toothed member,iand

devices forshiftingV said .detent into and out of cooperation with s aid toothed member.

10. A slicing machine comprising'Y a base frame. cutting mechanism mountedon the base frame, a. carriage movablev past the material .supporting carriagemovable on the first mentioned car-r riage transversely of the klatterftoivard and from the cutting .mechanism,i and'.mecha nism for feeding the second mentioned `cai'- Ariagge on theatirstmentioned carriage' en .bodying a toothed member mounted on the first mentioned carriage. and geared to the second mentioned carriage, amovable mem- .ber carrying any advancing patvl/ mountedA on thefirst mentioned carriageand cooperating with saidltoothedlfmember, means' `on the base frame-cooperatingvvith said kmovable member Vto .eftect'the movement Vot the latter and through-such' movement to r effect the movementof the toothed member,

a pivot-ally mounted advance preventing detent for cooperating ivith said toothed member to prevent theadvance` movement of the latter independently ofsaidadvancing vpaivl.` a spring.A connected to said detent at one side or" the pivot ofthe latter and adapted to hold thedetent in cooperation With the toothed member and also'out of cooperation `with said toothed member and devices Vfor shitting saiddetent into and out ot cooperation With saidvtoothed member, said devices embodying tivo yieldinalv mounted abutments ontlie base'frame With ,which said detent engages to shift said'detent to its tivo positions. Y Y

l1. A slicing machine comprisingra ybase riagetransversely of thelatter toivardand frame, cutting mechanism mounted .on the base` trame, a .carriage movable past the cut-V ting mechanism, a material supporting carriage movablevonl the .first mentioned car- '.riage transversely of the latter toward and second mentioned carriage, a movable memf .ber carrying-.an advancing paivl, mounted on the first mentioned carriage! and cooperating nith said toothed member., meanson the base trame cooperating With gsaidmov? ablek member to effect the 1movementoffy the latter andthroughsuch .movement to effect the movement of the toothed member, an advance preventing detent, andmeans for-l simultaneously throwing out the advancing ff pawl and the advance preventing detent to permit the .advance toothed me'mbcrf.` 1 Y c 4.12. .A slicingzmachine, comprising a base" frame, cutting-mechanism mounted on `the i Vbase frame, a carriage movablegpast thev cutting mechanisima material `supporting can' riage movable on the 'rst mentionedfcar- .movementvl or'1r the Atrom the cutting mechanism, and mecha# msm for feeding thesecond mentioned carriage Ion the first mentioned carriage'embodying aftoothedmember mounted on the first mentioned carriageandgeared tothe Vsecond mentioned carriagd-a movable member carrying an advancing pavvl, mounted from cooperating with .thetoothed member j iwf on the first mentioned rcarriage and cooper? Y ating with said toothed member,means on. the base frame cooperating with said move "able member yto etect the movement offl the latter and through such movement to .eect

the 'movement g of .the ltoothed member, a pa-Wl for preventing'. they retrograde move-` ment of thevtoothed member, an advance preventing. detent cooperating With the toothed vmember,V and-f; means Vforv `throwing; out'the advancing paivl, the paWl which prevents the Vretrograde movement and --the Vad- Vance preventing detent 'frofmfcooperationl Withthe toothed memberlv c l f i 7 13. Anslicing machine comprising a base n frame, cutting means on thebase frame, a carriage movable on the baserame, a second carriage movable on the first mentionedcai`- riage movable toward and f'rom-the'V cutting'. means, and means for advancing thesecond mentioned carriage. onfthe first: vmentioned carriage comprising'a toothed'member movlably mounted on the rst mentioned` carriage l and geared to the Vsecond mentioned :car-

riage, an advancing paWl movably mounted onwthe first mentioned carriage and cooper- .ating with said toothed member, means `on the base frame or shifting said pavvl, and

noY

means mounted on the first mentioned carriage yto cooperate Withk saidv paw] tov vary the amount otl movement of the; toothed iember by said paivi. t

14. A slicing machine comprising a base frame; cutting means on the base frame,

carriage movable on the base frame,Y a second carriage movable onthe first mentioned car- Y riage movable toward and from the Cutting means, and means for advancing the' second mentioned carriage on the iirst mentioned carriage comprising a toothed membermovi abl;7 mounted on the first mentioned. carriage and geared to the second mentioned carriage,

carriage for cooperating with said pawl and adjustable to hold said'parvlont ofengage# kmenmer may be varied.

lment: with the toothed member during kany desired portion; of themovement of Vsaid pawl under the means on the base. iramevso that the amount of movement of the'toothed 15.77A slicing' machine comprising a base frame, cutting means'on the base frame, a carriage movable on the base frame, a second carriage movable onthe iirst mentioned carriage toward and fromthe cutting means7 and means for advancing thersecondmenltioned carriafre 'on the `irst mentioned carvvriafre toward said cuttino'V means com rising a ratchet Wheel mounted Von' the first mentioned carriage and geared to the second i mentioned carnage,V -a swinging member'` an jaovancing V`pawl` movablyVV mounted on the Vli'rstmentioned carriage and` cooperating with said toothed member,r means on the base frame for shifting saidA pand, and a member on the iirst mentioned mountedto turn about the of the ratchet Wheel, a `paivl on said' swinging member, i

means onthe-base frame engaging Said swinging memberV to shift *the* pawl, andfar VVmember mounted to turn abontfthe'axis ofv y turning oflthe ratohet'wheel and cooperat-fV ing'withv saidY pawlrto hold *the latter ontagof engagement With' the ratchet wheeldnring any desired `amount of; movement of lthe swinging member; Y

16. 'A slicingv mac tioned oarriage'and geared to the second men; tioned carriage, a swinging' member mounter to turn about the axis of theratchet wheel;k a pawl on saidewinging member; means' onYK the based-renne engaging said wringingw meme bof' ber to sliiftithe pawfl,V a member mounted tof'V turn about the ams ot turning; ottheratchet 'Y WheelV and *cooperating Withfsaidfpawl' to hold the latterV out of engagement n'fiththe'V` ratchetwheel dnringanylamonnt 'ofinove-VV Y ment the svvingingmembergian adjustingA V Wheel mounted on the irstfmentioned .carl

ri'age and having an arm extending there from, and la link conneetinnN saidfarm with the pawl; controlling member atgaV pointv 'ec'centric'to the axiso turninfrrofs'aidpaivl controlling vkmember'.

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