US1567725A - Leer-feeding apparatus - Google Patents

Description

1,567,725- l. H. uFREESE LEER FEEDING. APPARATUS Filed Novfl'?,l 1925 4 sheefs-sheet 1 Dec. 29, 1925. A,

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4 Sheets-'Sheet 2 @LY/tommy l. H. FREESE LEER FEEDING APPRTUS 4 Sheets-Shee-t 5 Filed Nov. 17, 192s frag ,ljeese I Dec. 29, 1925' 1,567,725

' l. H. FREESE LEE R FEEDING APPARATUS Filed NOV. 17,A 1925 4 Smeets-Sheet 4 mum@ j'a jf Frase rw vw @bmw/134 NR QN #Ari-.N1-

IRA n. ranas-E, or c LAnKsBURe, WEST VIRGINIA, AssIGNoR To HAzEL-A'rLAs'GLAss .COQ OF WHEELING, WIEST v IRGINIA, A CORPORATION OF WEST VIRGINIA.

-. LEERFEEDING APPARATUS.

' I 'Application filed November 17, 1923.. Serial No.`f675,273.

To all whom t may concern.' Be itv-known that-I, IRA H. FREESE, a citi-- zen-ofthe United States','and a resident of Clarksburg, in the ,county of llarrison and State of fest Virginia, li'ave invented cer-- tain vnew and useful Improvements in Leer- 4Feeding Apparatus-.of which the following is a full, clear, -and" exact description.

The urposeofthe invention described 1 0- herein is 'toprovide an improved apparatus for mechanically feeding the ware to a leer, 'or yannealing oven, 'as it comes. from the blowing or pressing machines. vThe inven ltion relates particularly to the feeding of 15...bottles, though it is not thus limited.'

j The common practice in feeding bottles or other ware of large d iaiiieter to a leer, is to y provide a pusher, which is designed to push l the ware linto'the` leer, row by row. This -20 is satisfactory for ware-of large diameter,

.but for slender ware,- either tall or short, it

i' the 'articles .will be very' 'easily toppled over by the pusher. One of is apparent that the purposes ofthe present invention is,

2'5 therefore, to provide a mechanism that 'will lift the bottles, carry-' them into the leer, and then deposit them on the leer pans, thereby avoiding any tendency to overturn them.' *80 Another object of the invention is to rovide a mechanism'of this character whic is "adapted to pickv up .aL-"variable number of f.;.l,articles; the number picked up depending if solely on the 'number of articles on the transverse conveyer, whether it be one article, or a whole row of them.. "y A further object of the invention to provide an apparatus that may be quickly Vvand easily pusherJ type,

`Another object when so desired.

of the inven'tion resides in the provision of an .apparatus of this character which Ais easilyfadjustable to suit bottles of various heights, and also bottles having necks of various diameters.- Another object of the inventionis to arrange thefeeding apparatus with res ect ito the leer' in suchja manner that thcl oor and approach to the leer will be unspace o ystructed.

Various other objects and advantages of the invention will be apparent to those skilled in the art, from the following dechangedI into a feeder of the tailed description when taken in connection with the laccompanying drawings; iii Which,

plete apparatus; the parts being shown in vFigure l is a perspective lview of the coina' position about to'lift a row ofbottl'es from y the transverse conveyer.

F'giii'e 2 is aperspective View of the comvbottles in the leer. ,Figure 3 is a Aside elevation of the -carriage and the 'operating mechanism for the lifting arms carried thereby; parts being in section tofmore clearly disclose the invention.

Figure 4 is a vertical transverse sectional giew of the carriageand parts carried therey.

Figure 5 is a, detail plan view of" a por tio'n ofthe carriage operating mechanism. Figure 6 is a. fragmentary perspective view of certain adjusting means andoperatmeans for the lifting ,armsyand- Figure 7' is `a vertical sectional View' through the carriage. A Referring to the drawingsmore in de tail, numerals 1, l, refer to two brackets mounted on the furnace front and extending outwardly therefrom in spaced parallel relation; and these brackets have. tracks 2,

2, formed integrally therewith. A carriage,

-indicatedvgenerally -by numeral 3, is provided. with Wheels 4 mounted on the tracks 2, 2, wherebyA the carriage may be moved toward and from the annealing furnace, or leer. -To provide a positive engagement be tween the Wheels,Y and tracks, the brackets are provided with inwardly projecting pins -5 which are adaptedto beengagedby teeth 6 formed on the fiange of one of the wheels on eachside of the carriage. Obviously it is.not 'necessaiyto em'plov this particular means. for securing a positive engagement betaween the wheels and tracks, and in some .instances it may vbe desirable to omit the positive connection entirely, anddepend on the frictional engagement of the .Wheels with the ltiacks.

The. carriage 3, and the :means for moving it toward` and from the leer, will now be described.

Thecparticular construction of .the carriage 'out as illustrated herein, it consists of two parallel spaced angle irons 7, 7, which Iare integrally connected at their ends, as shown in Figure 5, and are provided with journal bearings 8 for the axles of the carriage wheels 4. The axle for the driving wheels, as indicated by numeral 9, extendsentirely across the carriage and is connected to both ofthe driving wheels. Fixedly mounted on the axle 9, adjacent each end thereof, is a bevel gear 10, and these bevel gears mesh with bevel gears 11 mounted on stub shafts journaled in the angle irons-7, 7. Also fixed to each ofthe stub shafts is a pinion 12 arranged in the space between the angle irons and adapted to be engaged and driven by l rack bars, in a manner now to be'described.

Referring particularly to Figures 4 and 7,spaced parallel guide rails 13, 13, Aare mounted on the angle irons 7, and two rack bars 14, 14, are sli-dably mounted between these guide rails; the rack bars being provided with grooves 15 for the purpose ofl slidably receiving the guide rails. l

Twol fluid pressure cylinders16,' 16, are mounted on the guide rails and spaced therefrom, and the piston rods 17, 17, of these cylinders are connected to brackets 18, 18, fixed to the rack bars 14, 14. Fluid under pressure is admitted alternately tothe re mote and .adjacent ends of the two cylinders through the pipes 19 and 20 respectively; and the admission and exhaust of fluid to these pipes is controlled by any type of.

valve commonly employed'in Huid operated machines, such valves being usually operated by motor driven cams.

The operation ofthe carriage driving mechanism will be apparent from the foregoing'description. Assuming the parts to vbe inthe position as shown in Figure 4, then when fluid under pressure is admitted to the remote ends of the cylinders 16. 16, the two pistons and rods will be caused to approach each other. As the piston rods move inwardly the two rack bars 14, 14, will also be moved inwardly, thereby rotating the pinions 12, 12, and they lbevel gears 11, 11, carried on the same shaft. The bevel gears 11, 11, mesh with the bevel gears 10, 10, iXedto the driving shaft 9, which carries the two driving wheels 4, 4, having the teeth 6 which engage with the lingers 5. lt is thus seen that as the pistons are moved ini wardly the carriagegis, caused to travel on the tracks 2, 2, toward the furnace front; and that when pressure is admitted to the `adj-aeent ends of the cylinder the various parts will be moved in the opposite direction thereby moving the carriage away from the furnace front.

The construction of the carriage and the means for moving it back and forth on the tracks will be understood from the foregoisevaa Mounted'on each end of the carriage isa housing, indicated by numeral 21, and' passing through each of thehousings is a vertical shaft 22. The shaft is screw-threaded, and has mounted thereon a worm gear 28 which is engaged bythe worm 24 adapted to be rotated by an ordinary handwheel 25; As clearly shownin the drawings, the worm gear is mounted in 'the housing so that it cannot move longitudinally of the shaft. By the rotation of the handwheel the worm gear 23 will be'rotated, and as it is screw-threaded en the shaft it will be obvious that the shaft-'will be raised or. lowered, depending on the direction of rotation of the handwheel.

A bracket 26 is fined to the shaft 22, and

forward end of veach of these' arms is a` pair of clamps or jaws 29,29. Mounted on the the opposite end of these arms is a cylinder 30 for operating v'the clamps or jaws; and a counterweight 31 is also mounted on the ends of the arms adjacent the cylinder. As shown in Figure 3, the, clamps or jaws 29, 29, are pivotally mounted on the ends of the arms 28, and are provided with intermeshing gears 32, 32, lwhereby the clamps are moved in unison. A bracket 38 is fixed to one of the clamps, and pivotally attached to the bracket is a link 34; the other end of the link being pivotally attached to the piston rod 35 of piston 36 mounted in cylinder 30. e v

The clamps are closed by admitting Huid pressure to the frontfof the cylinder 30 through thepipe 37,-. and it is preferred to open the jaws by means ofA a coil spring 38;

but obviously Huid pressure may also be employed for` ope-ning the jaws, and for that purpose a pipe 39 leading to the rear end of the cylinder. is illustrated in Figure. 3. lt is desirable that some means be employed to prevent any squeezing of the bottlenecks when the jaws are closed, and for this' purpose an adj ustingscrew 40 is mounted in the rear end of the cylinder, and the rearward movement of the piston 36 will be limited by abutting against Vthe inner end of the adjusting screw. A lock-nut is employed .to maintain thescrew in adjusted position. By reference to Figure 1 it will be seen that light coil springs 41 are employed on the clamping jaws 29, 29, for the purpose of maintaining a slight closing pressure thereon. i

Suitably mounted in the bracket 26 is an elevating cylinder 42, the piston 43 of which across the strike the screw member 48 l mg screw 48 is mounted in the rear end o -wardly or outwardly,

' nieuwe` trod 44 I'Jivot-lallyV connected ,to a lever .45 'whichis fixed Fluid pressure pipes 46, 47, are connected to the cylinderv42, for admitting vpressure to the cylinder for operating the piston. -If preferred, a' coil spring such as illustrated in 'cylinder- 30, could be employed in cylinder 42.for moving the pistonl in one direction.

For the purposeof limiting the rearward stroke of the pistons 43, or the upward.

movement of thearms 28, a hollow adjusteach ofthe cylinders 42, and a 'worm gear 49, having its bore threaded, is mounted on the hollow'screw.' A rod 50, provided with an operating wheel 51', ,extends entirely device vand has worms 52, 52, mounted thereon tov engage with -the worm wheels 49. It will be apparent that the -rotation of the lha-ndwheel 51'` willlcause the rotation of both of the worm gears 49, thereby moving the hollow adjusting screws 1ndepending` on thedlrecti m of rotation 4of the handwheel, and

'the rearward' limit/of the pistons-43, and

hence the 'upward-limitof the arms 28,-I L l means 'being indicated generally by the nuwill be accordingly varied. n

As'previous'ly stated, the adjusting screw 48 is hollow, andthe piston '43 carries an 'eX- tension rod 53 which passes entirely through the hollow adjusting screw and has a nut 54 threaded thereon adjacent its vrear end.I As the piston reciprocates the nut 54. will and thereby limit the forward movement of the piston, and

consequently limit thedo'wnward movement of the arms 28. f

The means for controlling the supply of -fluid pressure, such las air, to the various cylinders in timed relation, forms no part of the present invention, and any preferred form of valves and'cams for operatin the same may be employed; conventional orms of valves and cams being illustrated in ,Fig-

ure 3, and indicated by numerals and 5G f bottles are fed continuously across the front deposited thereon; and the'means by which the apparatus may be quicklyconverted into a feeder of the pusher type will now be del scribed. v

vPivotally mounted on .the arms 28 attheir inner ends, and inward of the clamping jaws 29, 29, is a pusher element 57. This pusher is of considerable weight, so that when it is in its o 'erative position, as shown in ldotted lines, 1n Figure 3, the force of gravity will be suicient to hold it in a substantially1 vertical plane when it is forced at its lower end to the arm 28. Obviously'the reciprocation of the pistons 43 will raise and lower the arms 28. and the clamping jaws 129', 29, carried thereby.

against the articles in the 4act of ushing them'into the leer. When the pus erfb'ar 57 .is employed the vfluid will be no necessity for operating the clamping' jaws 129.' 29; but the operatlon of the ressure suppl `to ythe cylinder 30 will bes ut olf, for tiere other vparts of the apparatus will remain the j same.- .When ware of relatively small diameter` is again., to be handled, the pusher bar will be 'swung back to its inoperative position, as'shown -in vfull lines in 'Figure'3, fluid pressure will be admitted' to the cylinder 30, and the apparatus is ready again'to operate to pick up the *ware-and deposit it 1n the leer on the leer pans..

f 'The presentinvention relates particularly to the apparatus for feeding'r the. ware into' the leer, and it is o f general application to all types of leers; therefore, the particular construction ofthe leer conveyer, lthe leer. pans, andthe means for carrying the ware to the leer, need not be of any specific form, but may be of any conventionalconstruction. lhe construction shown herein, particularly -m Figures 1 and 2,l is merely illustrative and is not to be considered in any limiting sense.

.An endless conveyer', indicated by numeralD 58,-travels from the front to the -rear of the leer and is driven continuously by any preferred source of power g' the driving meral 59. The endless conveyer 58 is formed f a series of leer .pans of any desiredconstruction, ,which are adapted to receive-the articles to be annealed and carry them slowly f through thev furnace.. Extending transversely of the furnace, -and in front therof,isan

endless belt v60 4driven by an independent motor GLv This beltmaybe formed of .pivf otally connected metal 'sectionsjifpreferred,-

and its purpose is tocarry the "ware, that has been brought from the pressing or blowing machine, across the'face of the' leer to be,v-

picked upby the feeder and deposited in the leer. A member forguidingihc articles onl the endless belt is indicated by numeral 62. The operation-of/the complete apparatus.`

will now be described.. I

Referring particularly to Figure 1, the

o'f the leer on the endless belt 60, thel necks ot' the bottles passing between the open clampingjaws 29, 29. 'At the proper moment iiuid pressure isad'mitted to the forward ends of the-cylinders 30; the admission of the fluid pressure to these and the other cylinders being controlled Ain timed relation by the usual valves and cams 55, 56. .When

the pressure isadmitted to the forward ends of the cylinders 50, the pistons 36 are forced rearwardly, and the llink. connections 34 be.

tween the piston rods and the brackets 33 cause the jaws 29, 29,'-to be moved to'l closed or clamping position to grip the articles by their necks as-shown 1n Figure 3.

The. adjusting, screw 40 determines the eX- vtent ofvclosing of the jaws, and tliis avoids any squeezing of the necks; and in handling 'ware having a beading around the neck the clamping jaws merely catch under the beading withouty exerting any lateral pressure. It is to be noted here that it is entirely inimaterial to the proper operation Aofv this machine, whether one bottle or a continuous row .of bottles is positioned on the endless belt at the time the jaws operate to grip them, forthe device operates in exactly the same manner whether one or one hundred bottles are on the endless belt at the time `the grippers function.- f

After the bottles have been grasped by the jaws 29, 29, fluid pressure is admitted i .to the forward end of the cylinders 42, and' i ing the row of as the pistons 43 landrods 44 move rearwardly the levers 45 are swung to the rear,. thereby elevating the arms and lifting the` bottles clear of the endless belt 60.

Fluid pressure is now admitted toSthe outer ends of cylinders 16, and as the pistons inoveinwardly, the racks 14 operated thereby rotate the pinions 12, and through the bevelgears 11, 10, and shaft 9, the drivingr wheels of the carriage arerotated yto move 'the carriage and all parts carried thereby,

bodily toward the leer front. As the carriage moves toward the leer front, the grippers carrying the ware are moved well into the heating zone of the leer, as shown in "Figure 2. After the carriage, and colisequently the grippers, has reached its innermost position, fluid pressure is admitted to the rear end of 'the cylinder 42, and at the same time the pressure is released from the forward portion of the cylinder, and the piston 43 is operated to swing the lever 45 forwardly, thereby lowering the arms 28,

ind depositing the aiticles on the leer pans. Just after the bottles have been deposited on the leer pan and have been stabilized thereon, the pressure 'is released from the forward portion of thelcylinder 30, and the spring 38 moves the piston 36 forwardly to open the clamping jaws 29,29, thereby leavdeposited `ware free to-be carried slowly through the leer.` The -position of the parts just after releasingthe de-v posited ware, is clearly shown, in Figure 2.

Fluid pressure vis now [admitted tothe forward ends of cylinders 42, to elevate `the arms 28 and grippers 29, 29; the grippers remaining in open position. After the-arms \have been elevated, pressure is admitted to the inner ends of cylinders 16 thereby moving the pistons outwardly andcausing the carriage to be moved away from the leer front and causing the open elevated grippers -to be again brought over the endless belt ready to again grip arow of ware, and thereby completing a cycle of operations. y

1t will be apparent from the foregoing asentar;

be noted here that in placer of the spring 38 for moving the piston in one direction, fluid pressure operation may be substituted if preferred.

By the operation of the handwheel 25, the

arms 28 and gri/ ppers 29, 29, are raised or lowered bodily as may be necessary to handle `ware of different height. i

By the operation of the liandwlieel 51 and nuts 54, both the outward and inward limit of the stroke of pistons 43 may be varied, thus varying the upper and lowerlimit iof `the arms 28 and grippers 29, 29, carried thereby. The foregoing description relates to the operation l,of lthe device as a pickup feeder of slender ware;` but ifware ofrelatively large diameter is to be handled, the pick-up feature may be omitted, and the apparatus may be quickly changed into a feeder'of the pusher type. j Q

When the apparatus is to be employed as Aa pusher it is only necessary to swing the pusher bar 5 7 from its inoperative position to its operative position, as shown in Figure f 3 in dotted lines; and as the .grippers will not be employed the fluid pressure supply to cylinder 30 will be shut off.

In the operation of` the apparatus as a feeder of the pusher type, the pusher bar 57 is lowered behind a row of ware, and as the carriage is moved toward the leer front the pusher bar will push the row of articles into thevheating zone of the leer; and the bar will `then be lifted and Vcarried back to feed in the next Vrow of ware.

Obviously theiiivention described herein may be modified in a great many ways by those skilled in the art, andv no attempt has been-made to describe any'such .modifications; it being understood that all modications are sought to be included in the scope of theY appended claims. l

I claim:

1. A leer feeder including means for lifting a row of glass ware, said means being operative irrespective of the' number of articles or their lineal position in the row, and

means for depositing the glass ware in the leer'.

2. A leer feeder including continuous gripping means for lifting a variable numberuf ing. the articles in aleer. f

. ortheir'lineal positioninthe row. i

glass: articles, and means 'for deposit- 3, A'l r feeder including means for feedin'g ajrow of lass articles across the -front of' a' 'leer,' an continuous l gripping means for liftii'igsaid articles and' depositing themv in'a leer, theo erationf 'said lifting means being hindepen ent of the number of articles 4. A )il feeder including ber o ffgla'ss articles, means fon-moving the?. articles intoa leer,- and means for lowering thearticlesonto'the leer 1 '5. A leer feeder'l inc uding continuous ber of articles' and moving them into a leer,

" and meansl for varying the'extent to which fthe articlesiare lifted,

irrespective of the number of-articles or' vtheir positin in the row, moving/them into a leer, "and lowering' them onto tlieleer pans, and means for varyinv the extentv to which the articles arelowere 7; A` 'leer feeder including continuous gripping' means, for gripping a variable number of articles 4and moving them into a ing varia --of different height, i a

8.' A' leer feederv including continuous v f 'grip'ping means .'for gripping a variable 235 leer,fthe ))sition ofthe gripplng means benumber o'f 'articles and 'moving lthem -into a leer,- the 'extent of closing of -sald grippdinfg means being-variable to'v suit articles of ffe'rent size..A

9. A fleer feeder` including a carriage 'movable'bodily toward'and from a leer, arms I oarried by said carriage, and a -pair of clamping jawsextending transversely of the `leer and carried -by said arms, said gripping' jaws placing rows of glass'jware 1n the leer transversely thereof.

10. A leerffeed'er including 'a carriage 'movable bodily l*toward *and from a leer, ivotedarms carried' by said carriage, means gripping means'carried by the arms and extendingtransversely of the leer, said clampmeans placing rows of Yglass-warein the er transversely thereof. j, Y 11. leer feeder including a carriage movable bodily toward and from a leer, "f" l`pivotedarms carried by said carriage, means for raisin 'andfl'owerlng said arms, and 'avvpair of c amping jaws extending transversely of the leerzfand carried by said arms, said gripping jaws placing rows ofglass ware in the leer transversely therof.

12. A leer feeder including a carriage A:movable bodily toward and from a leer,

pivoted arms carried'by the carriage,V a pair` l of gripping jaws extending transversely of the i in 'aws and means `for in eas to elevation to suit articlesgr pp g l Vary g pivotally mounted on the carriage, gripping or -rai'sing'and'- lowering said arms, andjthe leer and carried by the arms, and-means raising and lowering the arms, and means for moving thecarriage, saidclampingjaws placing rows-ofglass ware inthe leertransl* .versely-thereof.' l,gripping means .for'lifting a variable num- 14. A .leer feeder including a carriage 9 thelimit of stroke of the piston in said cylinping jaws'. A,

16. A leer feeder including a carriageY movable bodily toward and from a-leer, arms pivotally mounted on the carriage,

der to vary the extent of closing of the gripvgripping jaws carried by t e arms and extendlng transversely of the leer, and means for raising and lowering the arms bodily to suit warepf different height, said clamping jaws placlngv rows of glass ware in the leer transversely thereof.

17; A leer feeder including a carriage movable bodily toward and from a leer, arms 1 jaws carried by the arms and extending transverselyofthe leer, means for swinging the arms upwardly and downwardly about their pivotsyand means for raising and lowerin the arms bodily to suitware of different eight, said,cla mping jaws placing rows of glass yware in the 'leertransverselythereof.

18 .'A leer feeder including a carriage movable bodily toward and from a leer, arms Apivotally mounted on the carriage, gripping' f jaws carried by the arms and extending movable bod`1ly't'oward and from a leer,l

arms pivotallyjmolnted on the carriage, `Tri 1n aws'exten in tran 'l fi. 'A

6. A leer feeder- 1 including continuous h Pp g 1 g Sverse y' o the gripping means for lifting a row of articles transversely of the leer, and a fluid pressure cylinder operatively connected with said arms for swinging them upwardly and 1 4"downwardly about their pivots, said clampg jaws placlng rows of glass ware in the leer transversely thereof.

movable bodilyjtoward andfrom a' leer, arms -1 19. A leer -'feeder including 'a carriage y gripping jaws carried by the arms, a fluidpivotally mounted on the carriage, gripping jaws carried by the arms, a'fluid-pressure,v operated cylinder and piston operatively connected with said arms for swinging them upwardly and downwardly about their pivots, and means for varying the limit of stroke of the piston in one direction to vary the downward swinging limit of the arms.`

`2O. A leer feeder including a carriage movable bodily toward and from aleer, arms pivotally mounted on the carriage, gripping jaws carried by the arms, a fluid pressure operated cylinder .and piston operatively connectedV with said arms for swinging them upwardly and downwardly about their pivots, and means for varying the limit of :stroke of the pistonin one direction to vary be swung to linoperative position.v

the upward swinging limit of the arms.

"21. A leer feeder including a carriage movable bodily toward and from a leer, arms pivotally mounted on the carriage-,-

pressureoperated cylinder and piston operatively connected with said arms for swingingthem upwardly and' downwardly about their pivots, and means for vanying both limits of stroke of the piston to vary the upward and downward swinging limit of the arms.

22. A leer feeder including a carriage movable bodily toward and from a leer, threaded .shafts mounted on the carriage, arms pivotally attached to' the lower ends of the shafts 'and extending forwardly `vin substantially a horizontal plane, grippingy jaws carried by the arms, and means for adj usting the shafts vertically.

23. A leer feeder including a carriage movable bodily toward and from the leer,

ltwo shafts mounted in said carriage, an arm pivotcd to the lower end of each shaft, gripping jaws carried by the arms, a cylin der mounted on each of the arms and operatively connected with the gripping jaws, a lever fixed to each of the arms, and a cylinder operatively connected with each of the levers. l

24. A leer feeder including a carriage movable bodily toward and from the leer, two shafts mounted for vertical adjustment in said carriage, an arm pivotcd to thelowcr end of each shaft, means for adjusting the shafts vertically, gripping jaws carried vby the arms, a cylinderand piston mounted on each of the.arms and operatively con'-4 nected with the gripping jaws, means for varying the limit of strokeof the piston,

,a lever fixed to each of the arms, a cylinder and piston operatively connected with each of the levers, and means for varying the limit of stroke of the second-mentioned piston.

25. A leer feeder including a carriage "the carriagel toward and from `the leer, said and means Leerjaar movable bodily toward -and from therleer, arms carried by the carriage, means ycarried by the arms for picking up glassware, and

p means carried by the arms for pushing glassarms carried 'by the carriage, -means carried by the arms for picking up' glassware, means carried by the arms Vfor pushing "glassware, and means for rendering either of said means inoperative.

27 L A leer feederV including a carriage movable toward andfrom the'leer, arms carried by the carriage, gripping jaws'carried by the arms, anda pusher member pivotally attached tothe arms whereby it may Q8. A vleervfeeder including a carriage, means carried by'the carriage for moving glassware into alee'r, and means for moving last-mentionedmeans including two oppositely movable pistons, and operative connections between thepistons'an'd thev driving wheels of the carriage.k

29. A leer' feeder including a carriage,

.means crriedby the carriage for moving glassware into a leer', and means for moving said carriage toward and from the leer, said last-mentioned means including two oppositely movable pistons, rack bars operated by the pistons', pinions engaged by the rack bars, andoperative connections between the pinions and thedriving wheels of the carriage.

30. `A leer feeder including a track, pins or th like adjacent the track, a carriage mounted on the track, a toothed iange on one set of the carriage wheels and adapted to engage the pins, two oppositely movable. pistons mounted on the carriage, rack bars operated by the pistons, pinions engaged by the rack bars, operative connections between lthe pinions and the toothed wheels, ando,

means mounted on th'e'oarriage for moving glassware into the leer.

- 3l. A leer feeder, including a, pair of clamping aws extending transversely ofthe leer for substantially the entire width thereof,means for opening or closing said jaws,

leer.

32. A- leer feeder, including a pair of -clamping ja'ws extending transversely of the ina n. rennen.

for moving they jaws into thel 115.*

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