US316177A - Heel-attaching machine - Google Patents

Description

(No Model.) 2 Sheets-Sheet 1.

F. P; RAYMOND, 2d.

HEEL ATTAOHING MACHINE. No. 316,177. Patented Apr. 21, 1885.

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(No Model.) 2 Sheets-Sheet 2. F. P. RAYMOND, 2d.

HEEL ATTAGHING MACHINE.

No. 316,177. Patented Apr. 21, 1885 Valli/ 5%?! INVENTUR WITNEEEEE! N PETERS. Plvzloulhonnphw. Washinghm D.c.

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FREEBORN F. RAYMOND, 2D, OF NEWTON, MASSACHUSETTS HEEL-ATTACHING MACHINE.

SPECIFICATION forming part of Letters Patent No. 316,177, dated April 21, 1885.

Application filed February '2, 1885. (No model.)

To all whom it may concern:

Be it known that I, FREEBORN F. RAYMOND, 2d, of Newton, in the county of Middlesex and State of Massachusetts, a citizen of the United States, have invented a new and useful Improvement in Heel-Attaching Machines, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming a part of this specification in explaining its nature.

The invention is an improvement upon that described in my application for Letters Patent dated April 25, 1884, Serial No. 129,212, and it relates, especially,to the portion of the invention for breasting the heel.

It is very desirable for certain classes of work that the front edge or breast of the heel be slightly undercut, as this very much improves the appearance of the heel. It is also desirable, in heel-attaching machines organized like the National Heel-Nailing Machine, not to tip the shoe to the breasting-knife, as is common in the ordinary breasting-machines, for the purpose of obtaining this undercut; and in said application Ihave described independent ways for guiding the knife while it is being reciprocated for the purpose of obtaining such cut. The present invention relates, especially,to means for so guiding the breasting-knife, and differing from those described in said application in that the vertical. movement of the attachment itself causes the cutting-knife to move upon a line somewhat inclined to a vertical path, so that the boot or shoe may be held rigidly upon the last and ma horizontal position, and the breast be undercut as much or as little as desired.

Referring to the drawings, Figure 1 represents in vertical section a portion of the reciprocating head of a National heeling-machine with the revolving head in place thereon, and a portion of a shoe with a heel attached beneath the same, the revolving head having secured thereto my improved breasting device. Fig. 2 represents substantially the same parts at the completion of the operation of breasting, Fig. 3 is a rear elevation of the under portion of the breasting attachment, showing particularly the arrangement of the links connecting the bearing -block with the knifeblock, hereinafter referred to. Fig. 4 is a view illustrating the use of the grooves or slots as a substitute for the link connection. Fig. '5 is a horizontal section through the knife-holding block and post, to further illustrate this lastnamed construction. Fig. 6 represents the knifeholding block providedwith a series of awls, and Fig. 7 is a section and plan on and below the line :1? x of Fig. 6.

The invention is represented as applied to 6c the revolving head of a National machine; but it may be applied as well to a National machine having a sliding head, or to any other class of heel-attaching machines. 7

A is the revolving head, which is supported by the cross-heada of the machine and reciprocated thereby, and a is the'arm carrying the breasting attachment. It has a tubular or other shaped recess, a for receiving the post B. This post is adapted to be moved verti- 7O cally in relation to the arm, and is pressed away therefrom when the machine is not breasting by means of the coiled spring b. It supports the presser G, and also the knifeholding block 0. This knife holding block has a dovetail projection, g, which slides in a dovetail recess, 9, in the under surface of the block 0, formed on the end of the post B. It has an inclined surface, 0", to which the breasting-knife D is bolted. This post B also has a square or other hole, 6, for the reception of a rod, E, which extends upward from the bearing-block C, and this bearing-block is moved away from the knife-block when breasting is not proceeding by the spring 6, sothat the parts when not in operation bear substantially 1 the relation to each other shown in Fig. l.

The bearing-block O is connected with the knife-block 0 by the links F, the lower of which are pivoted at their lower end to the bearingblock 0, and the upper links are pivoted at f to the knife-holding block 0. (See Fig. 3.)

The operation is as follows: The heel having been moved into place to the breasting at-' tachment, or the breasting device having been 5 moved to the heel, upon the reciprocation or movement of one in relation to the other the bearing-block comes in contact with the up per surface of the heel, and is of course held while the knife-block moves toward it. This mence to straighten out at the beginning of the cutting of the knife, or by the time the cuttingedge reaches the top of the heel, it follows that the farther inward movement of the knifeblock must be continuous and regular, the heel support or jack being prevented from being pushed backward during the cuttingaction of the knife by any suitable back stop.

It will be desirable to make the inclination of the knife of a somewhat greater pitch than the inclination which it is desired the cut shall have, as by so doing the cutting-edge is brought "prominently forward, clearance-space is provided, and there is no binding action of the inside of the blade upon the front of the heelblank during the breasting operation, either while the knife is being moved downward or when it moves back.

It will also be seen that upon the movement away of the heel from the breasting device, that the spring 6 presses the bearing-blank out, and consequently draws the links apart or separates ,them, so that the breasting-knife block is moved back to its original position.

It will also be seen that the extent of the movement of the knife-block is varied according to the length of the links and the points of pivoting to their respectiveblocks. If comparatively short links are used for .a given space or separation of the upper and lower pivotal points, then the inclination of the cut will begreater, as the breasting-knife block will be moved a greater distance. If the links are made longer, then the movement is not as great. Of course this movement couldjbe communicated to the knife-block by pivoting the upper link to the block 0 instead of to the cutting-knife block, and of connecting the links where they join with alever pivotedto an upper portion of the block 0 and extending downward therefrom and connected withthe knifeblock by a link; but for ordinary purposes the method of connection described will answer.

I regard as an equivalent of this construction that represented in Figs. 4 and 5, where, instead of the links, thereis shownthe rod E, which is made somewhat large and square in I cross-section, having on each side an inclined of course, that the knife-block is automatically moved outward.

In operation the heel-attaching nails having been driven, the breasting device is moved into position to the heel or the heel to the breasting-knife, and on the reciprocation of the machine. the bearing-block comes in contact with the surface of the heel-blank, and the breasting-knife is moved downward ina somewhat inclined path until the presserblock M comes in contact with the shank of the shoe, when its further movement is ar- -rested, and the block 0 yields upon the spring '6.

The block 0 is provided with awls for pricking the heel-blank at the same time the breasting-knife is reciprocated, in order to form in the heels holesfor the reception of slugs or additional nails used for securing the top lift, or for ornamental purposes and in Fig. 6 I have shown the plate as provided with awls k, and in Fig. 7 I have shown the bearingblock 0 as provided with slots k,through which the awls are reciprocated.

In order to provide suitablebearings for the rod or post E, I have formed the post B with the downward-projecting sleeve N, preferably cast therewith, and the spring 6 extends into the recess n, surrounding the sleeve, and bears at its lower end upon the screw-disk n, which screws into the'block c., in which is also abearing for the post E.

It will be seen that by this construction a coiled spring for permitting a considerable movement of the'bearing-block O in acomparatively limited space is provided, .and that without interfering with the proper hearings or support for therod or post in the block 0 and its post B.

Y Having thus fully described myinvention, I claim and desire to secureby Letters Patent of the United States 1. In a heelnailing or attaching ,machine, the combinationof theblock a, carrying the movable knife-blocks and the knife D, and the bearing-block O and its post -E, adapted to be moved automatically outwardand connected with the knife-block to causeits movement in one direction or the other .as it is moved toward the knife-block or away, from it, all substantially as and for the purposes and a device connecting the block or its post to the knife-block, for causing its horizontal movement upon orduring the vertical move- 5. The combination of the post B, having inent thereof, all substantially as and for the the sleeve N, with the bearing block 0, its purposes described. post E, and the spring n, all substantially as 4. The combination of the bearing-block O, and for the purposes described.

5 movable in relation to the block 0, the knifeblock 0, horizontally movable upon the block FREEBORN F. RAYMOND, 2D. 0, breasting-knife D, the post E, having the guiding-recesses h, and the pins h, attached Witnesses:

to the knife-block and entering the recesses, J. M. DOLAN, 10 all substantially as and for the purposes de- FRED. B. DOLAN.

scribed.

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