US229459A - Claek m - Google Patents

Description

(No Model.)

0. M. PLATT & W. W. BRADLEY. Rivet or Eyelet Setting Machine.

No. 229,459. \1 d June 29,1880.

RAPH WASHINGTON D C 'UNITED STATES CLARK M. PLATT AND WILLIAM W. BRADLEY, OF VATERBUBY, CONN.

PATENT OFFICE.

SAID BRADLEY ASSIGNOR TO SAID PLATT.

RIVET OR EYELET SETTING MACHINE.

SPECIFICATION forming part of Letters Patent No. 229,459, dated June 29, 1880.

Application filed May 10, 1880.

To all whom it may concern:

Be it known that we, CLARK M. PLATT and WILLIAM WV. BRADLEY, of Waterbury, in the county of New Haven and State of Connecticut, have invented a new and Improved Rivet or Eyelet Setting Machine; and we do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon, making part of this specification.

This invention is in the nature of an improvement in self-feeding rivet or eyelet setting machines; and the invention consists in a self-feeding rivet-setting machine constructed with a revolving feed-box, with its lower edge serrated, and combined with a ratchetwheel, pawl, and pawl-lever, and a feedingchannel provided with spring-fingers and having a spring stop-plate at its lower end, in combination with a lever with spring-jaws at its front end to receive the rivets as they are delivered from the feed-channel, and an operating-lever, punch, and die, all arranged and constructed to be operated in the manner hereinafter more particularly described.

In the accompanying sheet of drawings, Figure 1 represents a perspective view of our machine; Fig. 2, a front view of the feeding mechanism; Fig. 3, a section on line 0000, Fig. 2, of the feedbox, ratchet, &c., Fig. 4., a longitudinal section of lower part of channel-bar; Fig. 5, a section of spring-holder for rivet; Fig. 6, a crossscction of channel-bar in line y 3 Fig. 4; and Fig. 7, a detail view of punch and die, showing setting of rivet.

Similar letters of reference indicate like parts in the several figures.

The purpose of this invention is a machine to set rivets in shoes and in any other thing that it may be desired to apply them to, the rivets being fed to the machine automatically as it is operated.

To that end our machine is constructed with a base, A, and curved arm B, east therewith. To the front end of the base A is fitted a die, a, and the front end of the arm B is drilled to receive through it a punch, C. The upper end of this punch is, bya rule-joint, b, fitted to the front end of an operating-lever, D. This le- (No model.)

ver is fixed to the arm B by a fulcrum-pin, 0, near its front end.

Fitted to the arm B, at or near its base, and by a pivotal bolt, is a lever, E, with a spring, (I, connected therewith. The front end of this lever has formed on it a striker, e, and also fixed to this lever, and projecting from the front of thesame and below the striker e, is a spring catch or holder, F, made with two jaws, E E

To the curved arm B is securely fixed, by bolts or in any desirable manner, and at an angle pointing to the holderF, a channel-bar, G. This channel-bar has formed in its upper surface, from end to end of the same, a channel, f, and this channel has in section a form eorrespondinginshape to the head of the rivet.

To the upper end of the channelbar G is caster otherwise secured thereto a circular base, H. The face of this plate is countersunk, with a curb, h, cast thereon around a portion of the same, and a curb, g, secured to the other part of the base.

Accurately fitting \vithinthe curb h, whose innerside forms a bearing-surface for the same, is a circular feed-box, J. Centrally cast onto this i'eed-box is a bearing, 7c, into which hearing is received a spindle, Z, which passes through the center of the base H, to which spindle it is held by a nut and screw on the end of the spindle.

The lower edge of the feed-box J is serrated, the teethi being placed obliquely to the edge of the feed-box. The upper surface of the feedbox J is provided with feed-openings m.

The spindle Z, on which the bearing is of the feed-box J rests, as before mentioned, passes through the base H and projects beyond the rear surface of the base. To this rear projecting end of the spindle l is fixed a ratchet-wheel, K. Engaging into this ratchetwheel K is a pawl, o, fixed to a lever, L, which at one end encircles the projecting part of the spindle I, so as to freely turn thereon, and its other end has formed upon it a ball, which is received in a socket at the upper end of an arm, M, the lower end of which arm is connected by a similar ball-andsocket joint to the operating-lever D.

To the lower end of the channel-bar G is fitted a stop or spring upset plate, N. This plate closes substantially the lower end of the channelf, which lower end, as at 'r, is some what larger than the rest of the channel.

To the lower portion of the channel-bar G, and at or near its lower end, are fitted two spring-fingers, s s. Thesefingers rest on the face of the channelbar G, one on each side of the channel f and one slightly above the other. These spring-fingers are both attached to one and the same spring, S. Engaging with this spring S is the bent end t of atripping-rod, T, the upper end of this rod being secured to the pawl-lever L.

Now, our rivet-setting machine being constructed substantially as it has been hereinbefore described, it is operated as follows: The feed-box J, through the openings m, is supplied with the rivets or eyelets t, placed therein without regard to any special arrangement or order. The rear end of the operatinglever D then being moved up and down by a treadle or in any other desirable manner, motion is at once communicated, as this lever is raised, to thepawl-lever L through the arm M, and as this lever L is raisedit causes the pawl 0 to engage in the ratchets of the ratchetwheel K, causing this wheel to revolve, carrying with it the spindle l, to which the feedbox J is affixed, giving to this feed-box an i11- termittent rotary motion from left to right, and as this feed-box in this way turns, the rivets which are placed therein are tumbled about within the box, finding exit through the serrations on its lower edge into the channel of the base H and channel-bar G, with their heads downward within said channel and their shanks at right angles thereto. When the rivets are within this channel they gravitate toward the lower end of the channel-barG until they are broughtin contact with the springfinger s, which holds or checks the descent of the rivet, when, by the raising of the pawllever L, the bent end t'of the tripping-rod T is withdrawn from contact with the spring S, and when this is done the spring S, by its retractile force, sends back the point of the finger 8 clear of the rivet in the channel f, and permits the rivet then to descend in the channel until it is brought in contact with the end of the finger s, which last-named finger is projected across the channel f to catch the rivet by the action of the spring S at the same instant that the rivet is released by the withdrawal of the finger s, so that as the operating-lever D continues to be moved up and down the fingers s s alternately retain and release the rivet in the channelf by the action of the spring S and the bent end t of the tripping-rod T, and as the rivet is released by the lowermost finger, s, it passes into the enlarged end "1' of the channel f until its head is brought in contact with the upset plate N, when the stem of the rivet, preponderating, tumbles the rivet over, shank downward and head up, in which position it is received in the holder F, where it remains until, by the action of the operating-lever D, the punch O strikes its head, and at the same time opens the jaws E E of the holder F, permitting the head of the rivet to pass through the holder and be forced through the leather or other fabric to which it is to be applied, resting on the die a beneath the holder F, which die receives the end of the shank of the rivet after it has passed through the fabric, and upsets or clinches the end of the shank on the wrong side of the fabric, and completes the operation. As the punch G descends to produce the riveting, asjust described, the holder F, by reason of the pivoting of the lever E, to which it is attached, descends with the punch, acting thereby as a carrier to deposit the rivet on the fabric, and when the punch is raised by the operation of the lever D the holder F is restored to its former position immediately beneath the upset plate N by the retractile force of the spring (I, where it remains ready for the next rivet, and so on. The height to which the lever and bolder are raised is fixed by the striker e, which is brought in contact with the lower end of the front of the arm B. As the feed-box J continues to revolve the rivets are deposited in the channel f, one after the other, until the supply in the box is exhausted.

From the foregoing description it will be seen that the riveting and feeding of the rivets to be operated on are performed automatically and at the same time by the working of one operating-lever.

The teeth t are placed in a position oblique to the edge of the feed-box J at such an angle as will, when the box revolves, present the openings between the teeth parallel with or in continuation of the channel f in the channelbar G.

Having now described our invention, what we claim as new, and desire to secure by Letters Patent, is

1. A combined rivet setting and feeding device with a circular feed-box provided with oblique serrations entirely around its lower edge and constructed to revolve intermittingly in one direction, substantially as and for the purpose described.

2. In a combined rivet setting and feeding device, a pawl-carrying lever, in combination with an arm fitted to said lever and to the operating-lever of the device by means of ballto alternately retain and release the rivets within the channel-bar, substantially as and for the purpose described.

5. In a combined rivet setting and feeding device, a pivoted lever provided with a twopart spring-holder at its front end, in combination with an actuating-spring, whereby the holder is restored to its position after the rivet has been released therefrom, substantially as and for the purpose described.

6. In a combined rivet setting and feeding device, a pivoted lever with a two-part springholder at its front end, provided with a stop to check its upward movement when retracted by the actuating-spring connected therewith, substantially as and for the purpose described.

7. In a combined rivet setting and feeding device, fingers overlapping the face of an inclined channeLbar, and the channel formed CLARK MURRAY PLATT. WILLIAH WALLACE BRADLEY.

Witnesses:

CHAS. W. GILLLE'ITE, A. V. GILLETTE.

Images