US1102021A - Machine for attaching hooks and eyes to cloth. - Google Patents

Description

. E. P. DU PONT.

MACHINE POR ATTAGHING BOOKS AND EYES T0 CLOTH.y

APPLIoATIoN FILED Nov. 5, 1912.

'1,102,021 Patented June 30, 1914.

I llllllll 'l f f//li c W/ rA/e'ssfs.- F/ G Z 'c F/ G 9. /M/E/vraR Veuf/7er@ /Cu/ du 571/- MMM BWM UMTED STATES ELEUTHERE PAUL DU PONT,

MACHINE FOR ATTAGCHING HOOKS AND EYES TO CLOTH.

Specification of Letters Patent. Patented Jung 30, 1914,

Application med November 5, 1912. serial No. 729,569.

I '0 aZZ whom it may concern Be it known that I, ELEUTHERE PAUL nu' PONT, a citizen of the United States, residing at Wilmington, county of Newcastle, and State of Delaware, have invented a new and useful Improvement in Machines yfor Attaching Hooks and Eyes to Cloth, of which the following is a full, clear, and exact description, reference being had to the accompanyingdrawings, which form a part of this specification.

The object of my invention is to secure hooks and eyes to clothing, etc., with maximum rapidity and totliis end it consists of a machine, adapted to operate upon an integral strip of hooks provided with prongs, in such manner that, at each single operation, a hook will be cut off and'securely fastened to the cloth.

A preferred construction of the `machinel is illustrated in the drawings and particularly described in the following specification, while thev particular combinations of elements constituting my invention are recited in the claims.

Figures l and 2 are longitudinal sectional elevations of the machine with the parts in different positions. Fig. 3 is an enlarged detail view of the holding cam in engagement with the strip of hooks. Figs. 4 and 5 are cross-sections on the line 4 5 of Fig. 2; Fig. 4 showing a section through a strip of hooks and Fig. 5 showing a section through a strip of eyes. of one of the hooks detached from its strip. Fig. 7 is an inverted plan view of a part of a strip of hooks. Fig. 8 is a perspective view of one of the eyes detached from its strip. Fig. 9 is an inverted plan view of a part of a strip of eyes.

a, a, a, etc., represent a series of hooks, the same being integrally attached together to form a strip of hooks of convenient length.

b, b, b, etc., represent a series of eyes, the same being integrally attached together to form a strip 0f eyes of convenient length.

The specific constructions of these hooks and eyes may be varied from those shown, as they form no part of the 'invention claimed herein. It is necessary, however, that they be provided with prongs, as, for example, those marked c, which the machine is adapted to force through the cloth and bend down Fig. 6 is a perspective view be hereinafter described.

On the base Z of the machine are a pair of standards e through which extend the cross-pins f and g. The base d has an anvil eZ. Hinged on the pin f are the pieces or ing pawl i and the stop. y'. The piece c carries the hammer Z and the hand-hit m. A spring t is confined between the base d and the piece lc, and thus holds `it in its raised position. The piece lc, which is trough shaped, extends under, as well asin opposite sides, of the piece h, and normally supports it, also, in its raised position. Hinged on the cross-pin g is the feeding pawl n. A spring o is secured to the piece k and engages the pawl n and holds it depressed. A spring p is confined between the piece h and the hand-hit'm.

The strip of hooks (or eyes) is inserted into a longitudinally-extending closed channel guide r formed in the piece h. The uppei; wall of the channel guide is cut away to vreceive the pawls z' and n. The forward end of theJ guide terminates immediately behind the hammer Z. The strip of hooks is pushed forward until the hook at the front extends immediately under the hammer Z. Its accurate positioning is insured by the holding pawl 2', which, as shown in Fig. 3, is so shaped that its front portion extends between, and fills the space between, the bills of two adjacent hooks. The widened front part of the pawl z' is so shaped as to abut against the bill of one hook and positively The rear end of this widened front portion is beveled so as to hold the pawl from accidentally slipping forward but not so as to prevent its orward movement when it is positively pushed forward, as hereinafter described, by the feeding pawl n. A spring s, secured to the piece h., bears against the pawl z' and normally holds it down in operative position. A strip of hooks is fed into the guide 1 and is properly positioned and engaged by the pawls z' and n, as above described and as shown in Fig. 1. The cloth is placed on the anvil d. With the hand a blow is struck upon the hand-hit m. The hammer Z strikes the first hook and thus carries the piece h down with it and against the anvil. The piece h immediately rebounds,

lagainst the inner face of the cloth, as will arms t and lo. The piece ZL carries the holdhold the strip from slipping backward.

and this upward movement relatively to the hammer Z severs the front hook. 'llhe hammer Z, as soon as the hook is severed, is released fromY effective lconnection with the piece ZL, and it continues to descend, carrying the hook with it, since the latter has not time to fall away or become displaced. The hook is therefore forcibly driven against the cloth and the anvil d and the prongs c are forced through the cloth and clenched. However, due to the recess o in the striking face of the hammer Z, the bill of the hook is not closed 0r deformed, but remains open for use. During the downward stroke 0f the pieces h and la, the feeding pawl n has moved on its axis so that its actuating end has slipped over and engaged the bill of the next hook. As soon as the hand is removed, the piece la rises by the action of springs t and p leaving the piece it pressed down against the anvil by the action of the spring p. However, as soon as the lower wall of piece le strikes the piece it, the spring p can have no further action and the hammer Z will have cleared the end of the guide 1'. Piece c'continues to rise under the action of spring t, carrying with it the piece k, until the stop y' abuts against the rear part of the base d.

'llhis action causes the feeding pawl n to re# turn t0 the position shown in Fig. l, thus feeding the strip of hooks forward and bringing another hook ,under the hammer'Z. The parts are so proportioned that the strip will be fed forward precisely the distance of the width of one hook, this being further insured by the action of the holding pawl i.

Having now fully described my invention, what ll yclaim and desire to protect by Letters Patent is:

l. In a machine for severing hooks and eyes from a strip and applying them to garments, the combination with an anvil, of two movable arms pivoted at their rear end portions, the first arm having a guide for the -strip, a hammer carried by the second arm at its front end portion, a spring normally holding the second arm in its raised position, the second arm having, between its pivotal support and the hammer, a base extending under and arranged to normally hold the first arm in its raised position, side pieces extending on opposite sides of the first arm, a spring between the hammer and the first arm, and means to feed and position the strip.

2. lln a machine for severing hooks and eyes from a strip and applying them to garments, the combination with an anvil, of a `pair of standards, a pair of cross pins between the standards, two arms hinged at their rear on one of said cross pins, one of said arms having a longitudinal strip guide between its upper and lower faces, a hammer on the second arm extending beyond the front end of the rst arm, a pawl pivoted on the other cross pin and extending through a cutaway part of the strip guide and having a feeding end arranged for operative engagement with the strip, and means normally holding both of said arms in a raised lposition but permitting said arms to move relatively to one another on their axis.

3. In a machine for severing hooks and eyes from a strip and applying them to garments, the combination with two movable arms pivoted at their rear end portions, the first arm extending near its pivoted end under and supporting the second arm and extending at its front end over the second arm, of a hammer on the iirst arm extending in front of the second arm, said hammer having a hand-hit, a spring supporting the rst arm independently of the second arm, a spring between the second arm and the hammer, and an anvil under the hammer and the front end of the second arm, where- -by when the hand-hit is struck the hammer will, by its engagement with the projecting end of the strip, depress the second arm against the anvil and cause it to rebound and sever the strip while the hammer continues its descent and secures the detached hook to the cloth, and strip-feedin mechanism arranged to be actuated in t e movement of said arms.

4. ln a machine for severing hooks and eyes from a strip and applying them to garments, the combination with an anvil, of two arms pivote'd at their rear ends on a common axis, one arm having a strip guide, a hammer on the second arm arranged relatively to the guide so as to engage one of the units of the strip and thereby, when moved toward the anvil, depress the strip and the first arm, a base yarranged to arrest the downward movement of the first arm and thereby, as the hammer continues its downward movement, cause said unit to be severed, means to return both arms to their raised position upon release of downward pressure against the "hammer, and vmeans operated in the return movement of the arms to feed the stri forward.

5. In a machine or severing ho/oks and eyes from a strip and applying them to garments, the combination with a base and an anvil thereon, of two arms hinged on a common axis, the second arm having a part underlying a part on the first arm and thereby' normally holding the latter in a raised position, the rst arm having a longitudinal strip guide, a spring confined between the base and the second arm, and normally holdlng it in a raised position, a hammer on the second arm arranged relatively to the guide so as to engage one of the units of the strip and thereby, when moved toward the anvil, depress the strip and the first arm and thereby, as the hammer continues its downward movement, cause said unit to be severed, a

spring between the hammer and the second In testimony of which invention, I have arm, a feeding pawl pvotally' connected hereunto set'my hand, at Wilmington, Del., 1o with the base and arranged, in the downon this 29th day of October, 1912.

Ward and upward movement of the first arm to slide back relatively to the strip and theIi ELEUTHERE PAUL I )U PONT' move the strip forward, anda holding pawl Witnesses: coperating with the feeding pawl to posi- CHARLES G. GUYER, tion and hold the strip. S. E. BECKER.

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