Oct. 22, 1946. M. s. RESINA ' CAP CHUCK Filed June 8, 1944 2,409,899 ' 2; Sheets-Sheet 1 @1 /0/3 ATTORNEYQ Oct-22, 1946. ' ‘ M. s. RESINA 2,409,899 ' CAP CHUCK Filed June 8/1944 , 2 Sheets-Sheet 2 4 12a ' I95 '- 8 ”- - 7 5/” //2 _/// " 2/ I ‘ //3 I95 I98 INVENTOR. ATTORNEY. B9 Patented Oct. 22, 1946 ' 2,499,899 UNITED v STATES PATENT OFFICE 2,409,899 CAP CHUCK‘ ‘ ’ Manuel S. Resina, Brooklyn, NY. - Application June 8, 1944, serial No. 539,260 ' (01. 226-88) 11 Claims. 1 2 more particularly‘ to chucks known as cap ap Another object herein lies‘in the provision of structure of the class described, wherein the ef plying chucks. vSuch chucks ?nd considerable utility in connection with containercapping ma fective gripping pressure and its consequent fric This invention relates generally to chucks and tion upon the cap, may-be adjusted to‘ suit var. ious'container capping conditions. ~ A feature of the present invention lies in the fact that ‘the chuck operates e?‘iciently under long periods of chines in which a screw cap or similar closure is temporarily gripped by the chuck and is released by the chuck after the cap or closure has been properly secured in place over the entrance to the container. The present application constitutes a contin uation in part, of my application for a container capping machine or the like co-pending here continuous use and it makes accommodation ‘for variations in size and shape of ‘the caps. such as 10 occur in‘a plurality of caps ‘when manufactured under ordinary commercial tolerances. ‘ These objects and other incidental ends and advantages will more fully appear in the progress of this disclosure and be pointed out in. the ap ent invention to provide cap chuck constructions . 15 pended claims. In the drawings inrwhich similar wherein the cap is frictionally engaged by the reference. ‘characters designate corresponding parts throughout the several views‘of each em; chuck, with sufficient friction so that the chuck with, ?led July 26, 1941 under‘ Serial No. 404,160. It is among the .principal objects of the pres does not become undesirably displaced from or released by the chuck and yet in which the degree of friction may be so adjusted that when the bodiment: ' i _ V . ‘ Figure. 1 is afront fragmentary elevational view partly in section of ‘a ?rst embodiment of the chuck is used with metal caps the lacquer or invention. enamel coating thereon, is not damaged by the gripping members, and similarly when‘ the chuck Figure 2 is a fragmentary front elevational view of the ?rst embodiment-of ‘the invention. _ , . v , is used with caps composed of plastic materials Figure 3 is a horiz'onall'sectional view. as seen I ‘ of a relatively fragile character, said caps are not 25 from the plane 3—3 on Figure 1. damaged or cracked. Figure 4 is a front fragmentary elevational _ View partly in section of a second embodiment Another. object herein lies in the provision of chuck structures of the class described, wherein of the invention. ‘ . Figdr‘e15 is ‘a fragmentary front elevational upon the full and proper seating of the cap or closure with the opening or neck edge of the 30 view of the second embodiment of the inven tion. . ‘ container with which the, cap is used, the grip c Figure 6 is a horizontal ‘sectional view as seen ping action. ceases and the chuck may be rotated from the plane 6-—6 on Figure 4. p . an excessive amount without'damaging the cap or Figure 7 is a fragmentary vertical sectional container even where they are composed of rela tively fragile material as for example, Bakelite 35 View corresponding to Figure 4, but showing the and glass, respectively. ' cap as retained by the chuck. ‘ Another object herein lies in theprovision of chuck structures having a cushioning element ‘ Figure 8 is a‘ horizontal sectional view corre sponding to Figure 6 but showing the cap as re- ' tained by the chuck. V > adapted to prevent. crushing, deformation, » or Turning now to the ?rst embodiment of the breakage of the cap or container by virtue of 40 invention illustrated in Figure 1, the chuck is excess pressure in a direction toward the con indicated by the ‘reference character C and for tainer in the cap locating or can seating opera tions with which such chucks are customarily uti lized. ~ the purpose of more clearly understanding the manner in which the same is ‘used, certain parts are shown for mounting and rotating the same 9 In order to accomplish the foregoing novel and useful results, it is necessary and desirable that V‘ and these correspond to the similar parts dis- ' the resilient means which actuate the gripping elements, be sensitive in character and such vclosed in my co-pending application Serial No. 404,160 referred to hereinabove. The shaft 90 is adapted to be ‘rotated in such a direction that when the cap I I is in the chuck, it may be turned so as to threadedly engage said cap upon the means have been obtained by the ‘use of mate rials which are to some extent, subject to crys tallization, fatigue or deterioration ‘due to age. It is, therefore, among the objects herein to pro I vide structure wherein said means may be con-. veriiently and expeditiously replaced as. required by conditions of use. _ threaded neck of a bottle or similar container not shown. ‘ Depending ‘from the lower end‘of shaft 90 is :35 the cap ‘applying chuck ‘C, said cap applying 2,409,899 3 4 chuck C comprising cylindrical body member 9|, has a frictional action between the lowermost surface of the body member 9| and the upper having an external thread 90a, formed in the lower outer face thereof. An internally threaded sleeve member 92, having a lower inwardly pro surface of the ?ange 95 so that the sleeve I92 may be axially rotated to vary the effective length jecting peripheral ?ange 95 engages the thread 5 of the chuck and hence the point at which the 9Ila of the body member SI, and has positioned lower surface of the ?ange 95 will engage the between the upper face of the ?ange 35, and the upper surface of the lower rim I3. bottom face of the body member 9|, a gasket 95 Turning now to the second embodiment of the of rubber or similarrmaterial, Formed ingthe invention illustrated in Figures 4 to 8 inclusive, 7 for the purpose-of avoiding unnecessary repeti tion, certain parts corresponding to those de ?ange 95 are aipluralityi'lof' horizontal and cen trally radiating bores Q7, said bores 91 having their inner end edges slightly constricted. Posi tioned in each of said bores is a ball bearing 98, ' scribed in connection with the ?rst embodiment of the'invention, are given the same reference “character with the addition of the pre?x “1”, a compression spring 99, said compression spring ' having one end pressing against the inner face 15 of the screw I60 and forcing the ball bearing 98 towards the axis of the chuck, the ball bear- ' ing being retained within the bore since the inner constricted edge of saidbore is of slightly’less diameter than the ball bearing. _ The chuck CC has a body member I9! of gen erally cylindrical shape, having an external thread I?Ila formed in the lower outer surface thereof. An internally threaded sleeve member 20 I92, having a lower inwardly projecting periph _ ‘A‘vertical bushing member IllI rotationally eral flange I95, engages the thread Isila of the engages the shaft 90 above body'member BI‘, body member IilI. and has the ball bearing member 9Ia positioned between .body member 91 and bushing IUI, said face of the flange I95 and the bottom face of the body member I9I is a cushioning member _ Disposed between the upper ' bushing member having a pair of parallel hori 25 or gasket I96 which may be composed of rub'-_ her or other similar compressible, resilient mate zontal grooves vIUIa formed therein._ ‘The chuck rial. The ?ange I95 is provided with a plurality oscillating arm is indicated by reference char acter I I15. The forward end of ' thekarm I05 is of horizontally disposed slots ‘or openings I91, forked and said fork I03 has a pair of parallel _ having upper and lower walls IZIl'and IZI‘lre bar members Iu8a‘pivotally mounted at the ends ' spectively, and inner walls I22, , As best seen in of said fork members, said bar members en gaging the bushing grooves Iillat _ Figure 6 in the embodiment 'shown, there :are three such slots and the slots are "of such depth " 'In one manner of use, the cap applying chuck ‘ that they open into the, circular ori?ce formed _C may be. caused to‘ periodically move up and idow‘nf'by suitable means such as a cam (not by the circular wall at the inner edge ofjthe in shown)" throughthe arm H15, the vertical move-' inent‘of said chuck being from its topmost posi tion down to‘, a cap receiving position up“ to its depth of the slots I9'I is so arranged with rela tion to the inner wallof the flange I95x that the gripping members I98 projectin'wardly beyond‘ thefinner‘wallof the flange I85 a short distance wardly extending peripheralp?ange I95. The. topmost position,'down to a cap applying posi tion and thence back to its topmost position. when’v said gripping :members are fully‘ seated‘ When the chuck C comes down and engages a .cap held on a suitable holder (not shown), the against the inner walls I22. The gripping memr bers’ISS are resiliently retained injthe inner-7 ball bearings‘ 98v resiliently grip the cap and lift most positions thereof by the action of rthe'confv tractile resilient means I99. The means I99>may be an elastic rubber'band having?'awidth (height it from the said holder, which holder may then be moved from the path of the chuck. vThere-, after, the rotating chuck, driven by rotated'means (not shown)’, moves downwardly and applies the 7 as viewed in Figure 7) substantiallylequal to the held cap. I I_ to a bottle (not shown) held in-posi- - tion} and when the ‘cap has been sufliciently se cured the balls'ilt are forced ‘outwardly against 5 the action of the springs 99,. thus causing slip page between thef'chuck C‘ and the cap. After the distance between the upper walls ; I2il¥and the lower walls . IZI.“ The total annular‘ length‘ of‘ the band I99 in its unstressed ‘condition and the thickness‘ .and composition of the materialgofj which it is composed, will govern the compressive V forcewhioh the portions. It?a exert’against the cap III when ‘frictionally engaging the same.‘ cap has been applied, the’chuck returns tothe upper position ‘and is ready to begin another The band I99 also acts by virtueof the con?gurag >_ The gasket 96 operatesJas-a resilient member tion of the parts which it engages, to restraini movements of the gripping members‘ I98 lon performingv a number of functions. g'itudin'ally of themselves.‘ The gripping" mem- , . cycleif ’ f . . n First, it forms ‘an auxiliary gripping means which en gagesthe upper surface of the top wall I2 of , the cap‘ I I, thereby requiring less'effectivefrice 60 tional engagement between the ball bearings 98 and the-outer ‘surface of the ‘cylindrical side wall of the cap. By virtue of the greater distribution of frictional effect thus obtained, the surface pressure at the points of contact between the balls; and‘ the cap may be reduced with a con sequentl'y. greater sensitivity of the chuck and less likelihood'of damage to the cap. Second,’ the resilient member or‘ gasket 98 allows for some Variations in' movement of the arm IE5 without ‘ damaging the cap, since ‘effective engagement between‘ the chuck and thevcap may be obtained even when thelower rimv I3 of the, cap I! does not...'engage the lowermostrsurface ,of the sleeve member 92. Third, theresilient member 96 also bers I98 may’ be'in the form ofv short‘lengths of rod of small diameter and arepreferably of a lesser ‘diameter than’the distance between the top‘walls I20 and the bottom walls IZI so‘that said gripping members may have a relatively ‘free movement, controlled only by the action of the‘ resilient band I99 and limited in inward travel“ by the,v inner walls I22. The outer wall of "the sleeve. member I92 is provided with an annular groove within. which is disposed a‘ circular‘ cover‘ strip I21, which may be composed of spring metal ' having the terminals I25_and' IZ-G. When it be-A comes desirable to replace the contractilemeansc I99” it; becomes necessary ‘only. to, ‘separate the, terminals I25 and I26 andv to spring the‘circu‘larf cover strip'I2'I out of its", seat. After‘the, elei'é“ ment I99 has been replaced, thejcover strip’ w may be snapped back into place‘. 2,409,899 5 6 By Virtue of the shape of the gripping mem bers I99, they are free to roll within their sock I wish it to be understood that I do not desire to be limited to the exact details of construction shown and described for obvious modi?cations ets and thus present new surfaces for wear as they are used. Should ‘undue Wear occur, the will occur to a person skilled in the art. gripping members I98 may be replaced ina man b1 I claim: ‘ ner similar to ‘that described in connection with 1. In a machine of the character described, a the replacement of the resilient means I99. rotating cap applying chuck, said chuck having The gasket I99 acts as a compressible resilient an aperture ‘formed in the base thereof, ‘said element in a number of different manners. chuck having a pluralty of radiating bores formed Where the cap chuck is used in connection with 10 in the wall surrounding the aperture, said bores caps which have a flat upper surface, the lower terminating at the face of said aperture, rollable surface of the gasket I99 frictionally engages the cap gripping means located within said bores and upper surface of the cap, particularly the top means within said bores‘for resiliently projecting wall H2 of the cap IIII, thereby requiring less said cap gripping means into said aperture. effective frictional engagement between the grip 15 2. In a machine of the character described, a ping portions I98a and the outer surface of the rotating cap applying chuck comprising a rotat cylindrical side wall of the cap. This construc ing body member, a collar member positioned at tion and mode of operation produces a more wide the lower part of said body member and depend distribution‘of frictional effect, with a consequent ing therefrom, the longitudinal axis of said collar lessening of the requirement of greater pressure member being aligned with the axis of rotation at individual points of contact. This results in of the body member, said collar member having a lessened pressure between the portions I98a a horizontally inwardly projecting peripheral and the external surfaces of the side walls of the ?ange positioned at the lower portion thereof, cap without undesired slippage when it is desired said ?ange having a plurality of bores formed that the chuck positively engage the cap so that 25 therein, said bores terminating at the inner face the two rotate together. Reduction of point pres of said ?ange, rollable cap gripping means located sure on the cap is desirable since the cap is sub within said bores and means within said bores for ject to less strain and is less likely to break or resiliently projecting said cap gripping means be have its surface marred. The resilient element I99 yond thé inner face of the said ?ange. also permits variation in the movement of the 30 3. A cap applying chuck as claimed in claim 2, arm 299, since effective engagement between the in which the inner ends of the bores are con chuck and cap may be obtained even when the stricted, the cap gripping means comprise spheres lower rim H3 of the cap is not engaged by the whose diameters are greater than the constricted lowermost surface of the ?ange I95. By virtue ends of the bores, the spheres being resiliently of the action of the resilient member I96 there is 35 projected through the restricted ends of said bores a frictional engagement between the lowermost by means of compression springs positioned with surface of the body member I9! and the upper in said bores. surface of the element I99; also there is a fric ‘i. A cap applying chuck comprising: a rela tional engagement between the upper surface of tively stationary sleeve; an axle rotatably dis the ?ange I95 and the lower surface of the ele 40 posed within said sleeve; a chuck body secured ment E96. [Since the part I99 is compressible, to said axle; said chuck body having an aperture a locking type action is obtained which tends to formed in the base thereof; said chuck body hav retain the sleeve member I92 in different rotated ing a plurality of radiating bores extending out positions thereof. This provides, therefore, for varying the effective length of the entire device and permits an auxiliary adjustment independ ent of the adjustment of cams or other means not , shown, which control the lowermost position of the entire screw cap chuck by their action upon the arm 205. Such adjustment will, in e?ect, - vary the point at which the lower. surface of the ?ange I 95 will engage the upper surface of the lower rim E9 of the cap III when the cap is en gaged by the chuck with the cap in a relatively stationary position. It may thus be seen that I have provided novel ' wardly from said aperture; independently roll able cap gripping means located within said bores; and means within said bores for resiliently pro jéecting said cap gripping means into said aper ure. 5. A cap applying chuck comprising: a rela tiveiy stationary sleeve; an axle rotatably dis posed within said sleeve; a chuck body secured to ,said axle; said chuck body having an aperture formed in the base thereof; said chuck body hav mg a plurality of openings extending outwardly from said aperture; independently rollable cap gripping means located within said openings; and means within said openings for resiliently projecting said cap gripping means into said and useful screw cap constructions which, by virtue of the simplicity thereof, are easily con structed at relatively low cost and are substan aperture. 7 tially foolproof in operation. By virtue of the 60 6. A rotatable cap applying chuck comprising: sensitivity of action thereof, fragile or caps with a rotatable body member; a collar member posi delicate coatings may be handled with a minimum tioned at the lower part of said body member of breakage and marring. When adjustment is and depending therefrom, the longitudinal axis needed to vary the effective gripping pressure of said collar member being aligned with the aXis thereof, this is readily accomplished. in a simple of rotation of the body member, said collar mem manner. Parts which are subject to wear or ber having a horizontal inwardly projecting pe deterioration in use, can be quickly and easily ripheral flange positioned at the lower portion replaced. After the cap chuck is associated with any suitable device for operating and driving the thereof; said ?ange having a plurality of openings same, adjustments can be made in the effective formed therein, said openings terminating in and size of the cap chuck or the interrelated arrange communicating with the inner face of said ?ange; ment of its parts so that certain variations in the rotatable cap gripping means located within each machine which drives the cap chuck or in the of said openings; and means disposed within said caps or containers with which the cap chuck is openings and outwardly of said cap gripping used, may be accommodated. means acting to resiliently project said cap grip 2,409,899 7 8 ping'm‘eans beyond the inner face of the said ?ange. chuck having a plurality of radiating bores'formed 7. A rotatable cap applying chuck comprising: in‘ the Wall surrounding, the aperture, said bores each having a threaded portion and terminat a rotatable body member; a collar member ad ing at the face of said aperture, cap gripping justably positioned at the lower part of said body member and depending therefrom, the longitudi nal axis of said collar member being aligned with the axis of rotation of the body member, said means located within said bores, means within plug disposed in each of said bores and adjust collar member having a horizontal inwardly able in position in its respective bore to vary the said bores for resiliently projecting said cap‘grip ping means into said aperture, and a threaded projecting peripheral ?ange positioned at the 10 effective pressure of the resilient means therein. lower portion thereof; said ?ange having a plu 9. A structure as claimed in claim 8 in which the cap gripping means is rollable about an axis terminating in and communicating with the inner tangential to‘the circumference of said cap. face of said ?ange; rollable cap gripping means 10. A structure as claimed- in claim 8 in which in the form of rods located Within said open 15 the cap gripping means includes a‘ plurality of ings and generally circumferentially arranged, spheres each rollable about an axis tangentially rality of openings formed therein, said openings the axes of said rods being tangential to the cir arranged with respect to the circumference of cumference of said cap when in the chuck; and the cap. ~ 7 means disposed within said openings and out 11. A structure as claimed in claim 8 in which wardly of said cap gripping means acting to resil 20. the cap gripping means includes a plurality of iently project said cap gripping means beyond rods each rollable about an axis tangentially dis the inner face of the said ?ange. posed with respect to the circumference of the 8. In a machine of the character described, a cap. rotating cap applying chuck, said chuck having ' an aperture formed in the base thereof, said 25 ‘ MANUEL S. RESINA.