US2006450A - Capping machine - Google Patents

Description

Patented July 2, 1935 UNITED STATES AT NT OFFICE John J Gaynor, Delphi, Ind, assignor of one-half to Arthur I. Risser, Chicago, Ill.

Application is. 24,1934, Serial No. -r2'z,292 26 was. (c1. 226--84)' This invention relates to capping machines, or more particularly to bottle crowners oi" the double head type.

One of the objects of the invention is to provide such a machine of the simplest construction with a minimum number of actuating parts so as to promote compactness, and at the same time insuring reliability'and efiectiveness inoperation; and whereby the caps as applied to containers by both capping heads will be uniform.

Another object of the invention is to provide such a capping machine that can be closely arranged in cooperative relation with the container conveying means of a rotary type container filling machine, so that the containers will be capped shortly after being transferred to the capping heads of the capping machine alternately. The type of filling machine referred to, includes a circular rotating container conveyor having periph- I erally arranged vertically reciprocable container supports in which the containers are placed to be raised into filling heads which depend from the circular liquid supply tankspaccd above the conveyor and connected to rotate therewith. As a rule the tank is of greater diameter than the conveyor, which relation of parts presents the prob lem in arranging the capping mechanism in close cooperative relation with the conveyor.

The capping machine includes two movably mounted capping heads, each head having means for receiving a cap and applying same to a container upon pressure engagementtherewith when moved in a given direction. A single-driven'actuator element is included, mounted to move back and forth and beingoperably connected with the heads to alternately move same in their .said given directions upon its said movement. Cap supply means is employed, mounted to move back and forth and being operably connected with said actuator whereby it is moved into cooperative relation with and then slightly beyond there ceiving means of the capping heads upon movement of the actuator. Means is. employed for resiliently operating the actuatorelement in causing the heads to exert uniform capping. pressure upon the containers. The cap supplying means is caused. to move beyond the cap receivingmeans of. the heads so as. to insure cooperative relation therewith upon restricted back. and forth movement of the actuator which is the result of the restricted movement of the heads caused by irregularity in sizes of containers-capped thereby.

Therefore, it is another object of the invention toprovide means associated with the supplying means for forcibly feeding. caps tothe cap. receiving meansof the heads, because of theshort. in: terval of time of cooperative relationvbetweensaid supply means and cap receiving means.

Other objects and advantages will become apparent by reference to thespecification and the accompanying drawings, in which:-

Fig. l is a front view of the capping machine Fig. .4 is a plan section taken on thesection 7 line 4- of Fig. 1.

Fig. 5 is a vertical section of the'capping machine and portionsof the filling machine, the view being taken on the section line 55 of Fig. l, with parts of the. filling machine shown in full lines. I

Fig. 6 is a sectional view in large scale showing the capping heads, the View being taken on the section line 6-fi of Fig. 5.

Fig- 7 is aplan section taken on the section line l'l of Fig. 6. Y

Fig. 8 is a vertical section taken on the-section line 8-8 of Fig. 6.

. Fig. 9 is a bottom view of the capping heads as looking in the direction of the arrow 9' in Fig. 6, and showing certain parts in changed position.

Fig. 10 is a vertical section ofa portion of the parts shown-in- Fig. 6, as taken on the section line It-lil of said figure, and showing certain 1.934. The filling machine comprises acircula-r horizontally rotating filling tank 2', suitably mounted'on a central pedestal, not shown. Ar-

- rang.edeo,ually spaced about the axis of the tank chine has means for conveying containers orbottles 4 under the filling heads in cooperative relation therewith. Said conveying means includes a plurality of vertically disposed plungers 5 equally spaced about the axis of the tank so that each plunger is below and coaxial with a filling head. The plungers 5 are reciprocably mounted in bearings 5 in the periphery of the circular lateral support extension I of the pedestal supporting the tank, whereby the plungers 5 rotate with the tank. Secured on the top end of each plunger 5 is a container support stirrup 8, having an outwardly open yoke 9 for receiving and positioning under its respective filling head. a container or bottle 4 to be filled.

The tank 2 and support extension I of the filling machine rotate continuously in clockwise direction, as viewed in plan, and as the filling machine plungers 5 cross the station, indicated by the dot and dash line B--B in Fig. 1, the bottles are placed in the stirrups by automatic means, not shown, and at which station the plungers are in lowered position with the filling heads thereover spaced above the bottles thereon. The plungers 5 are then moved to raised position, by suitable means, not shown, causing the bottles thereon to enter and raise the filling heads thereover into the filling tank, and in which position the plungers remain during considerable movement of the tank to effect the filling of the bottles. The'filled bottles are then lowered by the plungers 5, actuated by suitable means, before reaching the receiving station B-B, and are then transferred to the capping machine 0, embodying the invention.

After the plungers 5 reach their lowered position, the filled bottles thereon are transferredor deflected outward from the stirrups onto a bottle support in the form of a table l whose supporting surface is in the plane of the supporting surface of the stirrups in lowered position. The table is mounted upon a base or pedestal l I, extending upward from which are spaced apart uprights or rods l2 and I3 respectively extending through bosses M and I5 depending respectively from the left and right hand ends of the table. Any suitable means may be provided for holding the table in vertically adjusted positions on the uprights, such as the set bolts l6 passing through the bosses. The outer edges I! of the stirrups are formed arcuate, concentric with the filling machine tank, and the adjacent edge l8 of the table is formed arcuate, concentric with the stirrup edges and in close relation therewith.

Upon being initially positioned on the table at the station indicated by the dot and dash line E-E, Fig. 2, the bottles are alternately transferred by feeding means to two separate stations on the table indicated by the crosses F and G, in cooperative relation with capping mechanism later described.

For feeding or transferring the bottles from the filling machine stirrups onto the table and directing or guiding same to said separate stations F and G, a central bottle guide member or partition I9 is mounted on the table, arranged inward of and in line with the initial station of a bottle on the table and the axis of the filling machine tank and support I. Cooperating with said central partition on either side for directing bottles from said initial station to said separate stations F and G, and slightly therebeyond, are respectively arcuately formed directing members in the form of rails 20 and 2| converging from said separate stations to the initial station of the table. Each rail has a short base portion 22 for mounting on the table near its edge opposite its edge l8, and from which base the rail extends inward over the table with a bottom portion 23, in the form of a lateral reinforcing flange, spaced thereabove, to allow passage thereunder of mechanism later described. The guide rail 20 continues into an end portion 24 extending angularly beyond the initial or common station of the table to project over the path of the stirrups, for deflecting the containers or bottles from the stirrups'and onto the table to be positioned at said initial station. The inner end 25 of the rail 21 is spaced from the rail end portion 24 so as to allow the bottles being deflected to pass therebetween.

For transferring the bottles from the common station E-E on the table to said separate stations F and G, alternately, a carrier member or slide in the form of a bar 26 is mounted to move back and forth, or reciprocate transversely under the path of the bottles in transport from the common station to said separate stations. The slide bar 26 is reciprocably mounted in a guide groove 21 in the table to intersect its edge 18 at the common station, the bar being retained in the groove flush with the table surface by bolts 21a secured under the bar and received in slots 21b in the groove bottom. The bar thus forms a support for the bottles being transferred from the stirrups to the table. Mounted on the slide bar 26 is a container pusher member in the form of a finger 28 pivotally mounted on a vertical pin 29 secured on the bar near the table edge i8 and to extend neutrally inward toward the table and at right angles to the bar. The finger 28 has limited oscillatable movement from either side of its neutral position, controlled by a pin projection 30 depending from the finger and received in an elongated slot Si in the bar, which slot has end walls engaged by the pin 30 in limiting the movement of the finger.

The slide bar 26 has a throw a little greater than the distance between the axes of the separate bottle positioning stations F and G, and the finger 28 is so arranged on the bar whereby the bottles are initially placed on the table intermediate its limits of movement with the bar and in the path thereof. The bar 25 is so operated by operable connection with the filling machine whereby, when the finger is moved toward the left with the bar, (see Fig. 2) a bottle is placed in its path from a stirrup, whereupon the finger is caused to engage the bottle initially at its pivotal connection and in contact with the trailing side of the bottle. By this engagement with the bottle the finger is caused to .be shifted about its pivot to extend away in angular relation with the bottle, whereby on continued movement of the bar the finger urges the. bottle along the guide rail 20 by deflection, in that the bottle rides along the finger as well as the rail until the finger. reaches its limit of movement with the bar 26, at which point the bottle is engaged by the end 33 of the finger in being positioned at the station F, in which position the parts are seen in dot and dash lines in Fig. 2.

Upon the return movement of the finger with the bar 26, and toward the right (see Fig. 2), a succeeding bottle has, been placed in its path which is transferredto the station G, by the finger in a manner similar to that in transferring the preceding bottle to its station F, wherein the succeeding bottle is urged along the rail 2| to the station G.

Before thepivotal end of the finger engages a 04 has a stem 85 extending upward into a bearing 05 in a plug portion 81 secured at the top end of the capping head plunger, and a coiled spring 08 surrounds the stem and is interposed between the plug end and the ejecting plunger head, which head is thereby normallyheld in lowered position with its bottom end forming the top wall of the cap recess,by the annular shoulder 89 of the ejecting head engaging the top end portion of the constricting ring. The plug 81 on the top end of each capping head plunger is formed with a central vertical slot 90 providing spaced fork portions 9I through which is mounted a pivot pin 92 on which is rotatably mounted a roller 93 for providing an operable connection with means for operating the capping head, later described.

The magazine 11 is in the form of a chute with the crowns or caps guided therein in edge- Wisesingle order, and the chute being arcuately formed with a top vertical end portion 94 pivotally mounted for horizontal movement on a pivot pin 95 depending from a cap sorting device 96, said top end of the chute being arranged to be in constant register with the lower discharge end 91 of said device. The sorting device is mounted on a bracket 90 mounted on the horizontal support 49, which bracket extends upward on both sides of the capping heads and thereover.- The chute or magazine extends arcuately downward and inward toward the capping heads and terminates in its dischargeend portion I8 which is mounted, so as to be guided in the plane of the capping head recesses when the heads are in raised position, to project into an arcuate lateral groove 99 concentric with the pivotal axis of the magazine, and formed in the lower part of the support 49. In the bottom of the groove 99 are crown passage-ways I through which the crowns pass from the magazine discharge end and into the recesses of the capping heads. The bottom portion IOI of the groove 99 serves to hold the crowns in the magazine discharge end upon movement of said end between the capping heads.

As best seen in Figs. '7 to 11 inclusive, the magazine is somewhat flat and rectangular in cross--. section to snugly position the crowns in single order therein. The wide sides of the magazine are formed of thin strips I02 and I03 which are connected at their edges by bars I04 forming the narrow sides of the magazine. The bottom discharge end portion of the magazine comprises a horizontally disposed channel section I in line with the magazine main portion and having a fiat bottom I06 with raised sides I01 upon whose tops the bars I04 are connected suitably to form a gradual upwardly curved continuation of the discharge end. The strip I02 continues over the channel section to its outer end to form a closed guideway for the crowns therewith. The other magazine side strip portion I03 continues arcuately downward into an end portion engaging the bottom of the channel section in substantially tangential relation intermediate its ends. Thus the channel section forms the discharge end continuation of the magazine chute portion proper.

For a purpose later disclosed, the magazine has a normal range of oscillation which causes its discharge end to be brought into register with the cap recesses of the capping heads and then continue slightly therebeyond. To insure the feeding of a crown into the recess of a capping head as, the magazine discharge end is passing thereby, means are provided to resiliently urge the end cap in said discharge end into the recess. Said means includes a cap feeder head I08 in the form of a cross-head mounted for reciprocation under the magazine discharge end or channel section I05. To this end the cross-head comprises a rectangular block having a central guide groove I09 within which the channel section is received, and the sides I I0 of the cross-head have inwardly projecting shoulders III slidably received in guideways H2 in the sides I01 of the channel section. Mounted under the cross-head is a bracket II3 on which is movably or pivotally mounted a cap pusher element H4 in the form of a spring pressed finger, which finger extends upward through elongated slots H5 and H6 in the cross-head and channel section respectively, to project into the path of the crowns in the cap guideway of the magazine discharge end portion to feed a cap therefrom upon outward movement of the cross-head. Upon movement of the magazine to neutral position between the capping heads, the cross-head is positively retracted, whereupon the cap pusher finger rides under the crowns to engage the third one from the discharge end of the magazine in urging the end crown into the recess of a head upon continued movement of the discharge end theretoward. The cross-head is moved forward in feeding a crown by resilient. means so that the crowns will snap into the recesses of the capping heads as the magazine discharge end is passing thereby. The resilient means includes two light coiled tension springs II'I disposed on either side of the channel section I05 with their outer ends, anchored thereto and their inner ends secured to the sides of the cross-head. a

For positively retracting the cross-head upon movement of the magazine to neutral position, the following means is provided. Mounted under the support member 49 and disposed between the bottom ends of the capping head plungers, is an adjustable cap feeder head operator support in the form of a bar I I8 extending toward the pivotal axis of the magazine and adjustably received within a guideway I I9 under the support 49. On the inner end of the bar I I8 is movably mounted acap feeder head operator I20 in the formof a lever having pivotal connection as at I 2| with said bar atone end thereof. The lever I20 has an elongated longitudinal slot I22 within which is slidably received a roller I23 pivotally mounted centrally under the magazine channel section I05 near its outer end, whereupon the lever is oscillated with the magazine. At the free end of the operator lever I20 is a roller I24 for engagement with the depending strike plate portion I25 of the. cross-head I08 for operating the head. Thus as the magazine is moved to neutral position, the operator lever is positioned in line with same, whereupon the cross-head is moved by the lever to its extreme retracted position. The amount of movement of the cross-head is about one and one-half times that of the .di-

ameter of a crown so as to insure engagement of the cap pusher finger with a cap in the magazine.

For regulating the throw of the cap feeder cross-head I08 in accommodating various sizes of crowns, the bar I I8 is adjusted toward or away from the magazine which respectively increases and decreases the throw of the head in respectively handling large and small crowns. For holding the barI I8 in adjusted positions, it has a central longitudinal slot I26 through which a bolt I21 extends and secured in the support 49.

l The cap pusher finger H4 is pivotally mounted on the bracket H3; as at l28,within| a ver-. tical slot I29 in the inner end ofthe bracket for limited movement, and which bracket has a horizontal bore 136 within which is disposed a compression spring -I3I interposed between a plug I 32 threaded in the outer-end of the bracket bore and a sliding plug. I33 engaging a flat portion I34 of the finger for resiliently holding the finger projected into the path of the crowns in the magazine. Thebiacket I I3 is mounted on the cross-head I08 for longitudinal adjustment for regulating the position of the pusher finger with respect to various sizes of crowns and also in controlling the amount of tension of the springs II1 required to eject the crowns from the magazine. For instance the farther back the bracket with its finger is adjusted on the cross. head, less tension or force will be exerted by the springs in moving the cross-head to eject the caps or crowns.- To this endthebracket II3 has a guide ridge portion Hi5 received in a guideway 136 in the bottom of the cross-headand being held in adjusted positionsby ineansof the screws The capping heads and magazine are so operated that when a head is in raised position, the magazine discharge end is moved into register with its caprecess and then slightly therebeyond, and whereupon the other capping head :is moved to lowered position in; applying a crown described, by means of' cam formations in the form of downwardly converging cam slots I42 and I43 formed in the top portion of the bar, and which are adapted to respectively alternately receive' rollers M4 and 14.5 at the lower ends of depending rocker arms I46 and I41 respectively, for operating the capping heads through operation of the arms, and upon a complete cycle of reciprocation of the bar. The rocker arms are respectively mounted on the front ends of horizontal shafts I48 and I49 which are respectively mounted in bearings 1.59 and i5! in u ward extensions of the support 49 between which. the capping heads .are disposed. On the rear .end of the shaft I48 is an arm I52 whose, free end is forked for pivotal connection with the roller 93 at the top end of the .capping head 31 for operating the head upon oscillation of the arm 145. Extending from the hub of the rocker arm I41 is an arm extension I53 whose free end is forked for pivotal connection with theroll'er 93 on top of the capping head 36 for operating the head upon oscillation of the arm I41. The cam slots I42 and I43 are so spaced that when the'actuator bar is in neutral position, both rocker arms are depending in converging relation with their rollers resting on cam 'dwell portions I54 comprising the top surface of the bar extending away from the oam slots, whereby the heads are. held in raised position. The portion I55 .of thezbar .between the cam slots extends upward into @the path of the rockerarm rollers toenableengage- .ment of the rollers in their respective cam slots upon reciprocation of the actuator :bar.

Under the actuator bar I38 and directly below the portion I55 thereof, is a dependin portion I55, in the bottom of is a notchx l5 1 for pivotalslidingconnection with a roller I59 on the .top portion of the dischargeend of the hiagazine, for operating the magazine in timed relation with the capping he d y The actuator bar I38 is sofoperated whereby,

as a bottle is being positioned at one of the capping stations F or G, the capping head thereover is being lowered to apply a crown to the bottle.

To this end the actuator bar-isreciprocated by. th double c ank armor member 50, on whose central crankpin 1591s pivotally connected one end of a resilient link, 169 whose other end in pivotal connection with the outer end of the actuat r bar, a at 1.6!. I

.The'resilientlink is employed to maintain uniformity of pressure of th ap i g h ad up the bottles being capped, as well as preventing dispositioned u der the h ads a they r lowered- It, is preferable to employ the resilient link as disclosed in myapp ation Ser. No. 684,236-

Referrine to Fig. 3, the resilient link Bilinbreakage of the bottles in the event same become 1 eludes respectively inner and outer tubular tele- I scopin s cti ns L62 and 63, hav n lim d slidable movement with resp c to eac oth r by means of two opposed p ns 64 mou e inthe outer tube section to extend therein, and which pins pass through elongated slots 1.65 in oppo ed wall portions of the inner tube section. Threaded into the ou end of the inner tub sectio is a threaded collar I65 through which is slidable a rod 151 extendin int he ub t normal-yene at its l'leeend with a plug I68 secured in the inner end of said tube. .The outer end of f the rod I 51 is in pivQtal'connection-with the bar I38 by means of a b aring mem er I59 mo n ed on the end of the rod and fulcrumed on a pin 11.0 ex ending from the outer en of hebar to "eaein the pins 164 which p oject into the inner tube. At the inner ndloi th od ar oppos d laterally xtended pinslllsi whi h ar also adan e I ed to be engaged by the inner end .of the spring normally. 'I'husthe tube sections of the link are In the outer normally resiliently held in extended relation,

in whi h relation they are urged by the s rin under stress, and likewise the tub and the rod are held in retracted relation. H

Theresilient link is so a r n ed thatwhen the operating lcentralcrank pin I59 is in dead center relation with the link and axis .of the double crank arm, with the arm ex nd ng t ward the link in causin the p ration of th annin head .31, as seen in Fig. 1 the pressureflexerted on the head in constrictin a crown on a b tt e is taken up in the spring I13 by ,the.compression thereof, which is .eiliected by the contraction .of the tube sections, in which positionthe parts of the link are seen in ,Fig. 3. Likewise, {when the crank ,pin .159 is in clead .center relationwith the .link and axis of the double crank, wi hthe ra ex e n away from the li k .c usin t .QP-

..eration of the cappingihead 6., the pressure .ex-

elated .on the ahead in causing the constriction .of

a crown on a bottle is also taken 'up in the spring l'l3by being compressed, which is effected by the extension of the inner tube section and rod assembly.

'Ihe resilient link may be said to be resiliently locked in a neutral length, from which it is capable of extension or contraction by the same stressing action of a single spring. This construction promotes uniformity of caps as applied to the bottles by both heads.

During the operation of the capping heads in capping bottles, the throw of the actuatorbar I38 is slightly decreased from that when bottles are not passing through the machine for capping, because of the limited reciprocating action of the heads which is determined by the height of the bottles in controlling the amount of capping pressure'exerted upon the bottle by the head, as effected by the resilient link, in applying a crown on the bottle. To insure registration of the magazine discharge end with the recesses of the heads, in the event over-sized bottles are passed through the'machine, which would tend to reduce the oscillatory movement of the magazine because of its positive driven connection with the actuator bar I38, the magazine is arranged so that its discharge end will oscillate slightly'beyond the recesses of the capping heads so that the caps will be discharged from the magazine and into the recesses as'the discharge end is passing thereby, diuing'the capping of bottles.

Although other means may be employed for feeding crowns to the magazine 11, the sorting device shown includes a crown hopper H in which is contained crown sorting and feeding mechanism operated by a horizontal shaft H6 mounted to extend through the hopper. The shaft H6 is driven by the shaft 58, on which is a sprocket gear I11 for driving an endless sprocket chain I18, which drives a sprocketgear I19 secured on one end of a jack shaft !80 centrally mounted in a bearing I81 on the support 49. On the other end of the jack shaft 180 is a sprocket gear I82 indriving connection with a sprocket gear I83 on the shaft I16 through the intermediation of an endless sprocket chain !84.

Certain organizations of the structure herein disclosed forms generally certain subject matter of my Patent No. 1,958,476, in which said organizations are broadly claimed. The structure is also more similarly'disclosed in my priorcopending application Ser. No. 722,882, for 'Con tainer feeding mechanism, filed April 28; 1934, in which the container feeding mechanism is broadly and specifically claimed.

Having thus described my invention, I claim:

1. In a container capping machine, two devices, each device mounted movably and having means for applying a cap to a container upon pressure engagement therewith when moved in a given direction, cap feeding means, said feeding means and devices arranged to have relative movement back and forth whereby cooperative relation is established alternately between the means and devices, driven operator means operably connected to the devices to move same in their said given directions in alternation, and being arranged to effect the relative movement of the devices and said means, and means for resiliently driving said operator means.

2. In a container capping machine, two devices, each device mounted movably and having means for applying a cap to a container when moved in a given direction, cap supplying meansmounted movable back and forth adapted to be brought accent alternately into cooperative relation with the devices, an operator element mounted movable back and forth in positive operable connection with the supply means for operating same and in operable connection with the devices for alternately moving same in their said given directions.

3. The structure as defined in claim 2, wherein the cap applying means of the devices is arranged for pressure engagement with containers in applying caps, and means for resiliently operating the operator element. 7 e

4. The structure as defined in claim 2, wherein the devices each comprises a capping head having means for receiving a cap from the supply ing means when in cooperative relation therewith so as to position the cap in cooperative relation with the applying means of the head.

5. The structure as defined in claim 2, wherein the devices each comprises a capping head having means for receiving acap from the supplying means when in cooperative relation therewith so as to position the cap in cooperative relation with the applying means of the head, wherein the cap applying means of the heads is arranged for pressure engagement with containers in applying caps, and means for resiliently operating the operator element.

6. In a container capping machine, two cap;- ping heads, each head mounted vertically reciprocable, being laterally spaced from the other head and having means for receiving a cap and adapted to apply same upon being reciprocated, a cap supplying member mounted for back and forth horizontal movement and adapted to be alternately brought into cooperative relation with the cap receiving means of the heads, an operating member disposed to one side of the heads and mounted for back and forth horizontal movement and being operably connected with the heads to reciprocate same alternately and being positively operably connected with the cap supplying member for moving same'into cooperative relation with the cap receiving means of one head upon the reciprocation of the other head.

'7. The structure as defined in claim 6, wherein each head includes means operable upon pressure engagement with a container when the head is reciprocated for applying the cap, and means for resiliently driving said operating member.

8., The structure as defined in claim 6, wherein the operating member has two cam formations for cooperating in providing separate operable connections with the heads for alternately operating the heads.

9. The structure as defined in claim 6, wherein the operating member has two 'cam formations for cooperating in providing separate operable connections with the heads for alternately operating the heads, wherein each head includes means operable upon pressure engagement with a container when the head is reciprocated for applying the cap, and means for resiliently driving said operating member.

10. The structure as defined in claim 6, wherein the operating member has two cam dwell formations each cooperating to hold a head stationary upon the reciprocation of the other head.

11. The structure as defined in claim 6, wherein the operating member has two cam formations for cooperating in providing separate operable connections with the heads for alternately operating same, and wherein the operating member has two cam dwell formations each arranged in association with one of the aforesaid cam formations for. cooperating to holda head stationary upon the reciprocationof the other head.

12. The structure as defined in claim 6,,wherein the cap supplying member is pivotally -n1oun-ted so as to oscillate, wherein the operating; member comprises a bar, and wherein-the supplying mem=- I her and bar have portions formed to, provide a slidable pivotal connection therebetween.

13. In a container: capping;machine,.,having two capping heads and a cap supply magazine,

. cap from the magazine in feeding same to the head.

14. The structure as defined in claim 13, wherein the means includes a cap feeder means reciprocably mounted on the magazine being operably arranged to complete a cycle of reciprocation upon relative movement of the magazine from one limit to the other and adapted to have cooperative engagement with an end cap in the magazine for feeding same when moved in one direction.

15. The structure as defined'in claim 13, wherein the means includes a feeder head reciprocably mounted on the magazine and operably arranged to complete a cycle of reciprocation upon relative movement of the magazine from one capping head to the other, and spring pressed cap pusher means mounted on the feeder head adaptedtohave cooperative engagement with an end cap in the magazine for ejecting same upon forward movementof the feeder head.

16. The structure as defined in claim 13,'wherein the means includes a cap feeder head mounted movably back and forth on the magazine and adapted to have cooperative engagement with an end cap in the magazine for feeding same upon its forward movement, and means for causing the feeder head to complete a cycle of its back and forth movementupon said relativemovement of magazine from one limit to the other.

17. In a container capping machine, two capping heads, a pivotally mounted gravity urged cap supply magazine having a horizontal discharge end portion adapted to oscillate alternately into cooperative relation with the heads to feed caps thereto, cap feeder means mounted for longitudinal back and forth movement on said discharge end portion and operably arranged with the magazine whereby upon its movement from one head to the other the means completes its said movement for forcibly feeding a cap from said discharge end.

18. The structure as defined in claim 17, wherein the cap feeder means includes a cap feeder head reciprocably mounted on said discharge end and a spring pressed cap pusher finger mounted on the feeder head adapted to project into the path of the caps in the discharge end so as to feed same upon forward movement of the feeder head. i

19. The structure as defined in claim 1'7, wherein the cap feeder means includes a cap feeder head reciprocably mounted on said discharge end, a spring pressed cap pusher finger mounted on the feeder head adapted to project into the path of the caps in the discharge end so as to feed same upon forward movement of the feeder head, and

means for resiliently moving the feedenhead for,-

wardr a i l 20 The structureas-defined theicapfeeder meansincludes acap feeder head reciprocably mounted on the discharge ends-p ring pressed means mounted onsthe'feeder headadapted to engagera; capin said discharge ,endtsoaseto feed same upon'forward movementoftheteeder he,ad,'rneans for resilientlymoving the feeder head forward, and a pivotally: mounted lever in driven opera l nnecti n .w lih ma az n a t-drill driving. connection with the feeder head for positively retracting the head upon movement of the discharge end to neutral position between the capping heads.

21. In a container capping machine, two movably mounted capping heads each having means for receiving a cap and applying same to a container upon pressure engagement therewith when moved in a given direction, cap supplying means, said capping heads and supplying means arranged to haverelative movement back and forth whereby cooperative relation is established alternately between said supplying means and the cap receiving means of the heads intermediate the limits of said relative movement of said means and. heads, a unitary driven actuator element mounted to move back and forth being operably connected with the heads to alternately move same in their said given directions and operably arranged to' effect the relative movement between the heads and said supply means, means for resiliently driving said ternately move same in their said given directions upon its said movement, cap supplying means mounted to move back and forth and in driven connection with said actuator element whereby it is moved alternately into cooperative relation with and then slightly beyond the receiving means of the heads upon said movement of the actuator,

'means for resiliently'driving said actuator, and

actuated means for forcibly transferring caps from the supplying means to the cap receiving means of the heads when same are in cooperative relation 1 23. In amachine of the class described, two capping heads each having a cap receiving recess, a cap supply magazine having a discharge end, said heads and magazine arranged to have relative reciprocatory movement back and forth between limits whereby substantially at each limit cooperative registration is established between the discharge end and a recess, and means operable mediate the limits of its relative movement for allowing intermittent discharge of the caps, and

8 1 cap feeding means mounted for limited back and forth movement, being operatively connected with the member and magazine whereby it completes its cycle of movement during relative movement of the member and magazine from one limit to the other and arranged to have cooperative engagement with a cap in the magazine during its forward movement.

25. The structure as defined in claim 24 wherein the feeding means comprises a feeder head reciprooably mounted on the magazine, and. a lever in cooperative connection with the member and magazine whereby it oscillates in timed relation with the relative movement thereof for operating the feeder head.

26. The structure as defined in claim 24, wherein the feeding means comprises a feeder head reciprocably mounted on the magazine, and means for causing the feeder head to resiliently move forward in urging a cap from the magazine.

JOHN J. GAYNOR.

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