US836735A - Can-heading machine. - Google Patents

Description

YPATENTED NOV; 27, 1906.

' J. B'RENZINGBR.

CAN HEA'DING MACHINE.

'API LIGATIOR FILED AUG. 4, 1905.

' 'rnn STATES PATENT. OFFICE.

JULIUS BRENZINGER, OF MOUNT VERNON, NEW YORK, ASSIGNOR TO SANlTAl Y CAN MACHINERY COMPANY, OF ELLSWORTH, MAINE, A

CORPQRATION ()F MAINE.

OAN-HEADING MACHINE.

No. sea-73s.

Specification of Letters Patent.

Patented ivov. 27, 1906.

"application filed August 4, 1905. Serial No. 272,657..

To all whom it may concern.-

Be it known that 1, Jones BRENZINGEE, a

citizen of the -United States, residing at videdwith a air of non-circular rollers which are soshape as to form a complement to the can-body. In this way all means for effecting a lateral movement of the roller: while in operative engagement with the can-body are dispensed with, whereby the construction of the machine is simplified and its output is increased.

In the'accompanying drawings, Figurel is a side elevation of my improved can-heading machine; Fig. 2, a front elevation of the upper art thereof; Fig. 3, a horizontal section on e 3' 3, Fig. 2; 4, a plan, partly broken away, of the seaming-rollers and cover V Fig. 5, a detail of the first seaming-roller;

' Fig. 6, a detail of the second seaming-roller,

and Fig. 7 a. detail of the suspending means of one of the seamingrollers.

' The letter it indicates the frame of the machine, provided with bearings a to receive the shaft b of a rotatable platform I). This platform is adapted to supportthe can-body to be headed, such can-body being of oblong anlar or other non-circular shape. The shaft together with platform I), may be raised by means of a lever influenced by a spring 0', and connected by a link 0 with a collar 6 loosely embracing shaft b". Between collar 5 and a collar 5 fast on shaft 5, are interposed cushions 6*, so that by depressing lever a shaft b is raised through the intervention of link 0 collar 6 cushions 5 and collar 6 Vertically above shaft 12 there depends from frame a a rotatable chuck (1, adapted to engage the recessed cover B, which is to be joined to canbody A. The spindle d of chuck (1 turns in a bearing a and receives rotary ,motion from ower-shaft a by pulleyai", belt a, and puley d It .Willb'e seen-that when'the canbody A, with 'cover B su erposed, is placed upon platform I) and the atter is raised until sections 6 cover B is engaged by chuck d the parts A and B will be rotated in unison.

During the rotation of parts A and B their adjoining flanges are upset by a pair of 'seaming-rollers e and f, of which roller eis profiled to form a double seam, Fig. 5, while roller f is profiled to flatten such seam, Fig. 6-that is to say, each of the rollers has an upper fla e, a lower flange, and an intervening groovef iihe groove in roller f being somewhat shallower and higher than that of roller e.

4, Each of the rollers e and f makes the same number of rotations as the can A, and its periphery is equal in length to that of the seam to be upset thereby. For this purpose the circumferential length or surface speed of the working edge of chuck (1 corresponds" substan tially to the circumferential length of the grooved non-circular working edge of each of the rollers 12 and f. As the description of roller 3 applies equally to roll'erf, the former only will now be considered.

Briefly stated, the contour of roller 6 constitutes a complement to that of the chuck d and of the can, so that as the parts e and A are jointly rotated the sumof the successively-alined radii of such parts is always equal. Thus the sum of the radii a: m is equal to the sum of the radii y 'yor of any other two radii which will contact with each otherv during the rotation of the parts. For an oblong can-head, as shown in Fig. 4, the roller 6 must therefore be of oblong shape, having two diametricallyarranged larger convex cam-sections e and two intermediate diametrically-arranged smaller convex cam- Between each pair of sections e 6 there is formed the reentrant angle or concave cam-section e With this construction the peri'pheral length of each cam-section e corresponds substantially to. the

length of each lon coverside B, cam-s'ection 6 correspon s substantially, to short cover side B while cam-section e correshape the contour of roller e must be correspondingly changed, the gist of the construction being that the l grooved non-circular Working edge of the rollers form a comple- 'ment to a non-circular can of substantially the same circumferential length.

The roller has the convex cam-sections f" f and the concave sections f corresponding to the parts e e 6 respectively, of roller The machine is so timed. that the rollers e 5 f are brought into successive-operative contact with the can. I To elfect this resu.lt,'the construction is as follows Tlre shafts g h of rollers e f, respectively, are journaled in upper bearings g h and 1o lower bearings g 72?.

The upper bearings g h are freely suspended between screws '9 7?, respectively. The lower bearings are slidable in. curved slotted guides a projecting laterally from n 5 bearing 0 The bearings it are connected by a sl'ide i, having a pin '11, which is grasped by the notched end" of a bent lever j', fulcrumed to frame a at y'". Thus by manipulating lever j either ofthe bearings g h" may be moved inward to correspondingly tilt its shaft g or h, and thereby move its roller 6 or f laterally into operativev contact with the can A, While the other roller is moved. away from such can.

Simultaneous rotary movement is imparted to the rollers ef by gear-wheels g 72/ fast on shafts g .h, respectively and meshing into a gear-wheel (1 fast on shaft d" of chuck d. The gear-wheels g 717 are of: the same 0 diameter as wheel 6?, so that the rollers e and f rotate with the same speed as chuck d, the teeth of wheels g h being so shaped? as to permit the slight oscillation of' shafts g it on screws g h 5 It will be seen that by the construction described the working seaming-roller while in operative engagement with the can will turn on a stationary axial line, or, in other WOIdS,- the operative contact between can 40 and roller will be maintained without swing ing the latter alternately inward and out a cerrespond ing w ward permit the rotation of the nnronnd can-hody.

What I claim is--- v In. a can-head .1g machinenon-eircular 5.5 seaming-roller having an alternately in: wardly and outwardly extending grooved Working edge, comhi ed with chuck having ng edge of same Slit face soeed wher ,y the sum of their succes-- siveiy-ali1ied remains constant,- sub-' stantially as specified.

2.111 can-heading machine, a non circnl r seaming-roller having al ernately Werdly and outwardly oil-din working combined- J41 a a complementary working edge 0}. substantially the same circumfereltial length *h at of the seaming-roller, and means for maintaining the SQkllffllllllflfilifi? on stationary 6o axial line While in operative engagement with the can, substantially as specified.

3. in a can-heading machine, a non-circular seaming-roller having an aternately I inv wardly and. ,outwardly extending grooved working edge, combined with a chuck hz-zving a complementary working edge of substam tially the same circumferential length as that of the seaming-roller, means for maintaining the seaming-roller on stationary axial line while in operative engagement withthe can,

and means for rotating the seaming-roller an d check at the samespeed, substantially as specified.

Signed by me at New York city, {Man rattan, New i orlc, this 3d day of August. 1905.

JULIUS BRENZEQNG ERP Witnesses FRANK v. ERIESENF Fania) Unrmcn'r.

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