US418535A - Machine for making paper-fasteners - Google Patents

Description

(NoModeL) R' J SHIPLEY zsheets-sheef, 1.

MACHINE POR MAKING PAPER FASTBNERS.

No. 418,535. Y PaJtentedfDeo. 31, 17889.

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(No Model.)

R. J. SHIPL'EY.

l MACHINE PoR MAKING PAPER FASTBNBRS.

No. 418,535. Patented Dec. 31, 1889.

UNITED s STATES RALPH J. SIIIPLEY, OF WATERBURY, CONNECTICUT, ASSIGNOR TO GEORGE PATENT OFFICE.

W. MCGILL, OF RIVERDALE, NEV YORK.

MACHINE FOR MAKING PAPER-FASTENERS.

SPECIFICATION forming part of Letters Patent No. 418,535, dated December 31, 188.9.

Application tiled October 22, 1889. Serial No. 327,814. (No model.)

To all whom it may concerne Be it known that l, RALPH J. SHIPLEY, a citizen of the United States, residing at Vaterbury, in the county of New Haven and` State of Connecticut, have invented new and useful Improvements in Machines forllianuaction of the die.

The invention consists to these ends in the novel parts and combinations of parts hereinafter set forth land then pointed out in the claims, reference being made to the accompanying drawings,in which- Figure'l is a front elevation of. ag machine I embodying the invention.. Fig. 2 is a centralvertical section. Fig. 3 is a plan view of the parts immediately below the upper die. Fig. 4 is a4 detail front elevation* of the jaws of the lower die. `Fig. 'is a.L rear elevation of the same. Fig. 6 is a perspective of the upper and lower dies in action.l Fig. 7 is a central vertical section of the same. Fig. 8 is an inverted plan view of the upper die. Fig. 9 is a view showing the blank and the two successive steps in the process of manufacture.

In the drawings, the reference-numeral 1 denotes the base-plate of themachine, upon which is mounted the lower dies, which will be described hereinafter.- Upon the die-supports is attached a plate 2, carrying the hopper 3, in which the blanks are received from a cob in the usual manner.

Upon the plate 2 are formed parallel arms 4, .between which is mounted 'a slide 5,which 'carries the feed-slide 6,which is a narrow strip of metal reciprocating through the bottom of the hopper. This slide is reciprobar l0 moving in a dovetailedfslot in a lat` eral block 12, and having a bar 13 attached,

from whicha bar 14 extends to and is connected with the slide 5. The upper end of the lever'is connected to an adjustable wrist are in normal position, is perfectly' flush and smooth, and the front vertical face 2l of the same is at a right angle with the surface. In the adjacent faces of said dies, ata little dis- "tance below their surface, is formed a channel 22, having the thickness of the completed fastener, and below said channel f a wider Iopener 23 is formed, for a purpose presently to be shown. v

The upper die-support 24 moves in vertical ways formed in the standards 9, and is connected with a head 25, provided with dovetailed ways 26, running from front to rear. The head 25 is joined to a pitman 27, operated by an eccentric on the shaft 18.

Upon the'die block or support 24 is mounted va steel bending-die 28, the lower end of which lies very nearly upon and perfectly parallel with the vertical face 21 of the lower die. Upon the rear face of this plate is vmounted a thin and narrow strip of steel 29, the lower end of which lies a little above the end of the bending-plate. This strip is arranged at right angles with the surface upon which it is mounted and is directly in line with the out dividing the two lower jaws.

Upon the rear of the divided jaws 19 is formed a shallow pocket 30, the front wall 31 of which is curved downward and rearward, as shown in Fig. 6. In rear of said jaws 19, lying against their rear faces and forming part of the way in which said jaws slide lat- IOO by a spring 35 in such position that as the die-blockv descends the spreader will enter the pocket 30 and slightly separate the jaws 19. The die-block 24: is guided by pins 86, which move in openings in the rigid blocks 32.

The blanks 37 (shown in Fig. 9) are fed successively upon the lower dies 19, their parallel strips lying upon opposite sides of the dividing-line between the dies. They are pushed forward by the feed-plate until the narrow connecting strip or septum 3S of the blank lies upon the dies 19, across the line of division, leaving the paris forming the head of the fastener projecting from the front of the dies. In this position the point-s of the prongs lie under a sheath-plate 39, by which they are confined. 'lhe de-block 24: now descends and the bending plate or die 28 inipinges upon the projecting ends of the blank and bends them down against the vertical face 21 of the dies 19. At the same moment the spreader 33 enters the pocket 30 and slightly separates the dies, and the folding piece 29 descends upon the strip 38, whereby the blank is folded into the form shown in Fig. 9. As the die-block 24 descends still farther, the spreader rides upon the curved wall 3l, whereby thespreader is turned upon its pivot and drawn out of the pocket 30, permitting the dies 19 to approach each other under the action of their springs 20. .At the saine time the downward passage of the folding-piece 29 carries the folded blank intok the channel 22, and the dies closing at the same time and the die-block 24 being raised, the folding' piece 29 is withdrawn, leaving the blank in said channel 22. As the die-block rises high enough to clear this piece from the dies 19, the latter close tightly, compressing the folded blank, bringing the prongs close together and completing the fastener, which remains in the channel 22 until the formation of the ensuing blank, when it drops into a receptacle below.

lVhat I claim isy.

1. In mechanism for forming H fasteners, the combination, with separable dies, upon which the blank is fed, of a die-block lcarrying a bending-plate turning the heads at right angles to the body, a foldingpi'ece, folding the prongs back to back, and a spreader separating the dies to enable the folder to carry theblank between them, substantially as described.

2. In mechanism for forming H fasteners, the combination, with separable dies having a channel formed between their meeting faces, of a die-block carryinga bending-plate turning the heads at right angles to the body,

a folding-piece folding the prongs back to back, and a spreader entering a pocket between the dies to enable the folder to carry the folded blank between the dies and into the channel between their meeting faces, su bstantially as described.

3. In mechanism for forming H fasteners, the combination, with separable dies having a channel between their meeting faces below their surface, and provided with a sheathplate receiving the points of the blank, of a die-block carrying a bending-plate and a folder, a spreader pivoted upon said die-block and adapted to enter a pocket between the dies, its point coming in contact with a curved surface by which it is drawn out of said pocket, and springs closing the dies, substan tially as described.

l. In mechanism for forming H fasteners, the combination, with a die formed in two separable spring-closed parts, of a bending and folding plate acting successively and upon the same downward stroke of the dieblock, and a pivoted springeactuated spread er simultaneously entering a pocket between `the parts of the die, said pocket having a curved surface drawing the spreader out from vthe parts of the die as the spreader descends, substantially as described.

In testimony whereof I have aixed my sig- 4nature inpresence of two witnesses.

. RALPH J. SHIPLEY. Witnesses:

F. L. ADAMS, H. H. WALKER.

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