US91165A - Improvement in machines for making- horseshoes - Google Patents

Description

naar sara ff .am aan.

WILLIAM D. RINEHART, OF PITTSBURG, PENNSYLVANIA.

Laim Patent No. 91,165, dated .mm s, 1869.

I1VIPROV'IElIli/IIIEINTA IN MAVCHINES FOR MAKING HORSESHOES.

The Schedule referred to in these Letters Patent and making part of the same.

To all f vhomfit may conce/ rayl l Be it known that 1,-WILLIAM D. Einmal-meot' Pittsburg, in the county of Allegheny, and Statelof Pennsylvania, have invented certain new and useful Improvements in Horseshoe-Machines; and I dohereby declare that the following is 'a full, clear, and exact description thereof, reference vbeing had' .to the accompanying drawings, making part of this specification, and tothe letters of reference marked thereon, like letters indicating vlike parts, wherever they occur. h.

To enable others skilled in the art to' construct'and use my invention, I will-proceed to describeit.

' p. v other upright, O, this frame beingcast in a single piece,

if preferred. f

Between the nprights B, at the top', I mount a sliding head, E, which carries on its front,or inner face, .a die, or former, T, around which the bar is to be bent, to give it the form required, in the rst instance.

This sliding-head E is connected, by a pitman, P, to a crank, R, Ona shaft, D, located near thebottorn of the frame, as shown 'in iig. 1, this shaft operating, also,

the other parts ofthe machine.

To the nprights B, on each side of the centre cross- 1 I piece, is pivoted a lever, F, as shown more clearly in fig. 2,. these levers being pivoted yon studs a, about l midway of their length, and having friction-rollers m secured to their lowerends, where they are struck against and operated'by cams o,"ona wheel, L.

In the upper ends of the levers F are secured rollcrs f, which have a groove in their periphery, as shown in 1.

AIJout midway of the uprights B, and in front of their connecting-piece, is secured a strong metal block, K, inclined as represented in fig. 1, and in the face of which block K is formed a recess, or die, e, of a form' corresponding with the form that it is intended the shoe shall have when finished.

A lever, c, is pivotcd to .arms b, in such a position that its upper end shall enter a recess in the lower edge of the die e, While its lower end extends down to, and works in a groove in a cam-wheel, N, on the shaft D, as Ishown in iig. 1. From near the top of upright O, extends a pair of inclined ways, or bars, U, between which is placed a sliding-head, J,.to the front of which is secured a swage, 't, corresponding in form with the die e, as shown in iig. l.

The sliding-head J is connected bya couple of bars, I and I', to the upright C, these bars thus forming a 'knuckle-joint, and being connected at their centre to an upright b ar, or pitxnan, H, which has its lower end pivoted to a sliding head, G, working in vertical grooves in upright G, and having a friction-roller, 11,

secured in its lower end, and against which a cam, M,

on the shaft D, presses, as the shaft rotates, thus imparting motion to the die t.

Mounted on the sliding-head E are two devices, one

for holding the bar on the former T, while being bent, and the other for removing it therefrom after it is bent.

The first consists of an elbow-shaped bar, Z, shown clearly. in iig. 1.V This bar has its body-mounted, so as to slide in a mortise formed for it in the head E, and has its vertical arm extending down in front of the former T, as represented in figs. 1 and 2. It also has a transverse arm, l', projecting from each side, near the bend, or elbow4 in it, as represented, these projections, or arms, coming in the proper position to hold the loose ends of the shoe on the former, while the end of the arm l presses against the shoe at the lower side of the former T.

A lever, h, is pivoted to the head E, in such a position, that while its inner end rests in a notch in the bar l, as shown in ig. 1, its outer end projects out in front of one of the uprights B, as represented in iig. 2, there being a projection, or cam, h', on the face of the upright, against which th'e end of the lever h strikes, as the head E moves up and down, thereby imparting to the bar, or holder l a horizontally-sliding motion to and fro, at the required intervals, a spring, y, shoving it back.

The device for removing the shoe from the former T, consists of a plate, t', g. 1, which has an arm, or

. prong extending through the head E, on each side of the former T, the ends of these prongs thus resting flush with the recess around the edge of the former, and directly against the rear side of the shoe, so that if pushed forward, they will push the shoey off the former.

In order to operate this plate i, and remove the shoe at the proper time, I secure to the rear side of the upright B an incline, It, against which, as the head E descends, the plate t strikes, thus shoving the prongs forward, there being a spring, fv, arranged to ,throw the plate back as soon as released from the pressure of the incline k.

On a level with the top of the rollers f,.I locate a pair of shears for cutting off the bar at .proper lengths, as it is fed into the machine.

The shears, or cutting-device consists of a stationary blade, r, and e movable blade, s, attached to a sliding bar, a', which extends through a suitable hole in the upright B, and has its bearing in a support, V.

On this bnr a', is secured a irictiomroller, e', so located as to project out behind the sliding-head E, on which latter is a projection, or cam c', as shown in Figure 3, so that as the head E descends, this cam c', pressing against the roller e', draws back the bar a', and therewith the blade s, a. spring, w, serving to carry the blade back to its former position, as soon als the cam c' passes the roller d.

The operation is as follows:

The bar of iron being lirst prepared by being rolled with the necessary groove or crease for the heads of the nails, is then heated, and the end of it is laid across the rolls j, as represented by o', iig. 2. Motion being imparted to the sha D, the head E is drawn down until the earn c', on its back side, strikes the friction-roller e', which operates the shear-blade s, and thereby cuts the bnr.

The head, continuing to descend, brings the lower ed e of the former T down upon the bar between the rol j; thus bending the bar at the centre, and at the same time forcing it down between the rolls, which are shoved apart far enough to permit the former' to descend between them, they being kept pressed snugly against the sides of the former and the bar by the cams o, which press the lower ends of the levers F outward, and thereby pressing the rolls f inward.

As soon as the head begins to descend, the lever h comes in contact with cam h', thereby drawing back the holderl and l', which is released, and slides for- Ward just before the plnger, or plate i is shoved for ward, by striking the inclue k.

As the plate 'L' strikes the incline, it is shoved forward, thereby pushing the shoe oil' from Athe former, when it drops at once into ,the inclined die e below, and then the swage t, being thrown forward by the action of cam M, the shoe is pressed and properly bevelled on its under side.

As the die, or swage t recedes, the lever o is operated by the can1-groove in the wheel N, shoving its lower end back, thereby throwing its upper end forward, and removingr the finished shoe from the die, which completes tbeoperation.

By these improvements, I am enabled to produce a very simple, strong, and eiicient machine, that performs all the operations at a. single heat.

Having thus described my improved machine,

What I clelm as my invention, is-

1. The lever c, having its upper end resting in arecess in the lower part of the die e, and arranged to be operated by the cam-wheel N, on the shaft D, substantially' as described.

2. The holder l, constructed substantially as described, and arranged to be operated by the lever h and cam h', as set forth.

3. The arrangementof the inclined die e, located below the former T, to receive the blank as it is dropped from the former, in combination with the correspondingly-inelined swage t, operated by the knuckle-levers I I' and cam M, ou the shaft D, sub.-

stantially as described.

WM. D. RINEHABT.

J con S. RosENsTnEL, A. M. SzrsvENsoN.

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