USRE8673E - Improvement in machines for finishing horseshoe-nails - Google Patents

Description

' V 5 Sheets-Sheet 1. J..B..WILLS, v Assignor to W. M. MOONEY & G0. I Machine for Finishing Horseshoe-Nails.

Reissued April 15, I879.

5Sheets-Sheet 2. J. B. WILLS, Assignol to W. M. MOONEY & C0. Machine for Finishing Horseshoe-Nails. No. 8,673.

-Reissued April 15,1879. K

N N J 55% Q o Ti Ti \K) \MN O Wltneowea'i 5 Sheets-Sheet 3.

J. B. WILLS,

Assignor' to W. M. MOONEY & 00.

Machine for Finishing Horseshoe-Nails No. 8,673. Reissued April 15,1879.

fnmzzzvr Reissued April 15,1879.

J B WILLS,

Assignor to W. M. MOONEY & G0. Machine for Finishing Horseshoe-Nails.

1 2 f 3 W M w v m r i F N ifitrwsses 0% 5 fla l J. B. WILLS,

A'ssignor to W. M. MOONEY & C0. Machine for Finishing Horseshoe-Nails. No. 8,673. Reissued April 15, I879.

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5 Sheets-Sheet 5-.

JOHN B. \VILLS,

-UNITED STATES PATENT OFFICE.

or KEESEVILLE, ASSIGNOR TO w. M. MOONEY & 00., or

nUsABLnoHAsM, NEW YORK.

IMPROVEMENT IN MACHINES FOR FINISHING HORSESHOE-NAILS.

Specification forming part of Letters Patent No. 175,891, dated April 11, 1876; Reissue No. 8.673, dated April 15, 1879; application filed October 30, 1878.

To all whom it may concern:

Be it known that I, JOHN BOWMAN WILLS, of the village of Keeseville, in the county of Essex, in the State of New York, havein vented certain new and useful'lmprovements in Machines for Finishing Horseshoe-Nails; and I do hereby declare that the following is a full, clear, and exact description of the same.

Thisinvention provides a machinefortreatin g blanks which are to be formed into horseshoe-nails, the, blanks having had, by any suitable mechanism, their heads and bodies brought to the desired configuration. in thickness and width, and requiring only to have any improper bends or crooks taken out of them, and their ends cut and pointed to give the points the desired finish to form perfect nails. The machine, therefore, has a threefold action, and, after the blanks have been fed to it, first presses out of them any improper bends orerooks, bringing them on the flat to the required form or shape. machine next shears or cuts the points to the exact required shape sidewise, and, lastly, it bevels the extremities of the points, all of which actions will be more clearly hereinafter described.

In the draw ings'hereunto annexed similar letters of reference indicate like parts.

Figure 1 is a plan of a machine embodying my invention. Fig. 2 is a side elevation of the machine. Fig. 3 is a detail plan. Figs. 4, 5, 6, and 7 are details of dies. Fig. 8 is a detail of arm and cam. Fig. 9 is a detail of projection and dies. Fig. 10 is a sectional detail of revolving plate, with parts thereto relating, the fingers being, however, omitted. Fig. 11 is a detail, showing in elevation a portion of the revolving plate, with a finger attached. Fig. 12 is a detail of the staple for holding the dies shown in Fig. 6. Fig. 13 is a section of a horseshoe, showing the crease where theinail passes through. Fig. 14 is an elevation of the nail as commonly made. Fig. 15 shows another form of nail. Fig. 16 shows the nail as commonly made, applied to a shoe and hoof. Fig. 17 shows the other form of nail as applied to a shoe and hoof.

Letter a is any suitable frame-work for holding the moving parts in their proper relative positions. b I) are plumber-blocks, preferably' made integral with the bed a, for carrying the revolving shaft 0. d is a shaft held between centers in the projections e of the frame" a. To this shaft an arm, f, is attached or made integral with it. The arm is of the configuration shown clearly in Figs. 2 and 8, being provided with a strap, h, to engage with or be acted upon by the eccentric g, preferably made ftegral therewith, and of the form clearly shown in Figs. 1, 2, and 9. To this projection are attached dies, hereinafter described. k is an enlargement of the shaft 0, made for the purpose of accommodating the relative position v of the die-carrier m, and provided with a camprojection, l, for actuating the die-carrier. 'n is a cam formed on one end of the shaft 0, for the purpose of actuating a lever, o. p is a pulley and balance-wheel, to rotate the shaft 0, it being connected therewith in the ordinary manner.

To the front of the frame a is attached a sub-frame, q, a part of which forms a bed, 1', for the dies 8, t, and a. 'v is a central hub integral with the frame (1, on which is placed a wheel, w, provided with ratchet-teeth. This wheel is operated by the action of the cam a of the shaft 0 upon the lever 0, which, in its turn, operates the pawl-bar w, the parts being arranged so that one revolution of the shaft 0 will cause the wheel 10 to advance or rotate the amount of one of the teeth of the wheel. y is an annular plate carried on arms 2 of the frame q. These arms 2 are three in number. One extends to the front, as shown in Figs. 2 and 10, and two extend to the sides, onlyone of which appears in Fig. 2; but it will be easily understood that there is another one on the opposite side.

As shown in Fig. 2, the pawl-bar a is carried on oneof the arms 2. The pawl carried by said bar .is forced up to engage with the teeth of the wheel 10 by a spring, a, pressing on its back. The bar is also caused to retire by means of a spring, I), attached at one end to the said pawlbar x and at the other end to the guide 0, which retains the lever o in its that the wheel can freely revolve within it. It

will also be observed in Fig. 10 that the surface on the upper-side of the projection 11 comes fair with the surface of the annular plate 1/, and in Fig. 3 it will be seen that apiece is cut out of the annular plate y to fit about the bed '1'. Another opening, 0, is made in the annular plate y for the nails to fall through, as will hereinafter be more clearly described.

Upon the surface formed by the upper side of the projection d. and annular plate 3 is laid a circular plate, f, agreeing with the configuration of the surface, and having an opening fitting upon the hub r. of the parts it will be seen that the central portion of the circular platef', on its under side, and the upper surface of the projection 11 of the wheel 10 come together. They are, furthermore, attached by dowel-pins, screws, or other devices to oblige the plate and wheel to revolve together. It will be observed that the upper surface of the plate 3 and the lower surface of the plate f agree with one another, as shown in Fig. '10.

On the upper surface of the hub v is attached by dowel-pins or screws, keeping it stationary with the hub, a cam-plate, g. h represents a bolt and nuts passing through the hub and cam-plate, and further securing all the parts together. Thus it will be seen that the parts 3 and g are stationary, while the wheel to and plate f revolve. The plate f is provided with radial slots i, extending all around it at equally-distant intervals in the circle. Their number and the number of the teeth of the wheel 10, before described, will agree. The slots are, furthermore, configurated to have one side, I, agree with one side. of the head of the nail-blank and the adjacent half of the body, the otherside of the slot bein gsufficientl y cut out to receive a projection or lip p of the finger, (shown in Fig. 1-1,) which projects downward the depth of the plate f.

m are finger-pieces or levers, pivoted at n to the plate f and of the configuration shown,

having their lips p configurated to agree with the opposite sides of the heads and bodies of the nail that the sides I agree with, so that nails can be freely laid in the openings existing between the lips 11 and sides I, the fingers being rotated on their pivots and caused to close upon the nails by their other extremities acting on the edge of the cam-plate g.

It will be seen in Fig. 1, by the formation of the cam 9 that the action of the fingers m (to gripe nails laid in the slots 1') is continued throughout the portion of the periphery of the cam from the point 1 to the point 2 on the side on which the arrow is drawn, which arrow also indicates the direction of the revolution of the plate f, while throughout the re- By this arrangement mainder of the periphery the configuration ot' the cam allows the fingers to' be retired from contact with the nails bya' sprin g, q, attached on each of their backs, and pressing against suitable stops 1'.

It will furthermore be observed that the point 2 above referred to occurs a little in advance of the arrival of the nail at the opening a, so that a nail that has been griped throughout the portion of the circle above described will be free to fall through the opening when it arrives at it.

It will be seen by the action of the pawl-bar m, operated by lever o and cam a, that the platef is made to rotate the amount of from one slot 13 to the other at each revolution of the shaft 0; and it will be also seen that, by reason of the configuration of the cam 11, this is not a continuous motion, the plate rotating as the pawl-bar is pushed forward and remaining stationary as it retires, thereby enabling nails to be introduced in the slots while the levers are in contact with the lower part of the circle of the cam.

In situating the dies 8, t, and a in the bed 9', I so place them that they. exactly agree with the positions of the slots i when theplatef is at rest. They may be placed, as shown in the drawings, with one slot 11 intervening between each die, or with a greater number so intervening.

The die 8 is shown more clearly in section on an enlarged scale in Fig. 4, and in plan, Fig. 5, where the nail-blank is also delineated as lying upon it. Its upper surface agrees exactly with the proper configuration of the nail.

- sis a die attachedto the end of the arm f in a suitable position to come down upon the nail-blank lying upon the die 8 in the position shown in Fig. 5, its plan being the same, or nearly thesame, as the plan of the nail-blank, the parts being so arranged that when a nailblank is held in position by one of the fingers m" on the die .9, the die s comes down upon the said. nail-blank with sufficient force to press out any crooks or bends that may improperly exist in it, but not to crush or extend the blank in any way. The cam you the shaft 0 is arranged or timed to bring down the die s--during the interval that the plate f is at rest, as hereinbefore described.

The dies t, attached to the projection 'i on the shaft 0, are shown in. end view, Fig. 1, a part side view,-Fig. 2, a complete side view in Fig. E), and in under plan in Fig. 6. They are made in two parts, the inner sides doweled together throughout their bodies, while their ends a arecut away, leaving an acute V form, as seen in Fig. 6, being the exact form that the ends of the blanks require to be cut down to, less a slight allowance for the oblique action of the out. They are also cut away on their upper sides, giving them an amount of clearance.

The extremities of the ends u are also provided with projections T, which come first in consans i ll tact with the blank, and prcventany tendency of escape or displacement of it, being slightly beveled oil" before the cutting-edges, so that they enter upon the blank and bring it to the proper position, should it be slightly out, just before the cutting-edges begin to operate. These cutting-edges are shown clearly at w in 1 i g. 6. v

The manner of attaching thcsc dies to the projection i is as follows: In the projection a horizontal recess is cut to receive a staple, w, of the configuration shown in Fig. 12, and a hole is bored at the bottom of the recess for the end 3 to pass through. and receive a nut on its screwed portion for tightening up the staple. This staple is made a very snug fit in the recess in projection 1? to receive it, so that E t. cannot shake or twist about. It is provided with an opening, 2, to receive the dies t. This opening is inclined, to agree with the outerinclined sides of the dies t, and is of such size that the dies will not come to the bottom a, but will come to about the position of the line 1). Thus the tighter the nut is screwed upon the end 3 the tighter the two dies t are drawn together, and are also drawn up in their recessed bed in the projection 'i.

The die t, being the punch or bed die of the dies t, is provided with an upper surface, the section of which would be exactly like the section of the die 8 in Fig. 4. Its point is exactly in plan the size and shape of the nail, but is sufiiciently small not to engage with the cutting -edges to in Fig. 6 and injure them. The dies t, as will be clearly understood, revolving with the shaft 0, bring down their ends a on each side of the end of the point e of the die t, paring or cutting 011 the portions of the blank extending beyond the said point 0 It will be seen that the center of the shaft 0 is raised at a considerable height above the level of the die t and nail thereon held. The dies are thus enabled to give a drawing out from the body toward the extremity of the point, in contradistinetion to a dead shear out, which would be the case if the edges 20' of the dies t and the point 0 of the die t came together in a straight line in any portion of the revolution of the dies 1. By-this oblique action of the dies upon the nail a slight amount 'of bevel is given to the sides and end of the point, which could not be given by dies coming down fairly or vertically upon the nail with a dead shear. This amount of bevel is of considerable importance in the action of the next dies about to be described.

The dies t are timed in their action to cut the blank while the plate f 1 is stationary.

The die-carrier m is attached by a pivot, 0 to a bracket, (1 made integralwith or attached to the frame a. Its upper end rests against the projection k of the shaft 0, and the carrier is rotated on its pivot e by the cam-projection l, and is causedto return by a spring, f Thus, by the revolution of the shaft, a nodding action is given to the carrier,

the parts being situated so that the die 9 secured in the carrier, will come down over the die a in the bed 1', in the manner clearly shown in Fig. 7, thereby pressing and finishing the extreme point of the nail to any dcsircd chamfer, bevel, or angle, which may be determined by the configuration given to the bottom face of the die g.

As the extremity of the'point is compressed it is slightly widened or enlarged by the action of this die, but only to a sufficient amount to compensate for the beveling out made by the dies t, as before described, and said to be of considerable importance, so that: between the two a beautifully finished and perfect point is obtained.

It will be observed that the pivot e is placed at a considerable angle above the end of the die 9 The action of the die on the nail is not merely a compression, but acompressioncombined with a draw or rub of the die upon the point, giving a tendency to elongate rather than to widen.

The die g like the others above described, is timed to act when the platcf is at rest. It will therefore be seen that the nails fed to the slots 'i in the plate f are first; griped by the fingers m, and are carried forward and presented to the action of the dies 8 s, then carried forward and similarly presented to the action of-the dies t t, and, lastly, presented to the action of the dies to and g. The nails arriving at the opening 0, being released as hereinbefore described, fall out of the machine.

Fig. 13 shows a section of the horseshoe A, with the crease B, as it is always made.

It will be observed that the crease is made with a perpendicular, or nearly perpendicular, side, M, on the inside of the shoe, while the outside of the crease b is very considerably curved.

It will be observed inFig. 11L that the bevel, of the point C and projecting thickness of'the nail-head E are made to the one side of the nail A Then this nail comes to be applied to the shoe, as shown in Fig. 16, the bevel 0 must be turned to the inside of the hoof, so that as the nail is driven through the hoof the bevel G throws the point outward, and causes it to come through the side of the hoof A at the desired point. I say must, because if the bevel were "set the reverse way the point. would turn inward instead of outward, and a serious damage would be done to the horse by the nail pricking the foot.

Now, by examination of Figs. 14, 15, and 16 the projection of the head is set exactly the wrong way in Figs. 1t and 16 to what it should be to enable it to fit fairly in the crease of the shoe.

In Fig. 16 it is represented as drivenin,but requiring the last stroke or strokes of the .hammer to drive it home to a bed in the ,re-

cess; but to do this it is quite evident that the nail must be bent at the point where the body of the nail and the head unite. This often injures the fiber or structure of the iron or steel'of which the nail is formed to such an extent that it either breaks the nail at the time or causes it"very shortly afterward to break. Nor is this the only injury entailed. If the edge of the shoe and the edge of the hoof are placed -fair when the tirst'nail is driven, as shown in Fig. 16, by" the-time the nail is driven home the shoe is moved bodily out of place, as indicated thefshoeto move over. This loosens the nail and partly destroys its" hold in thehoof,'as well as injures the hoof. Each nail, when 'drivein'has-"an inclination to move the shoe in adifi'er'ent direction, and if it does not do this it is b'e'causeit tears' orsqueezes an enlarged' 'holeiii'r-the hoof.

' By making the head of the nail the reverse way,as shown in Fig-.15, it exactly fits the crease, and no inclination to move the shoe is "experien'ced. "orcre ase, asclearly shown in F ig. 17, without It also perfectly fills the recess any bending; for that purpose" taking place -dnringthedriving home of the nail. Y Thena-il made with the head .the reverse =1way-is'clearly shown in Fig.

7. By this it and point, the crease in the shoe and the head of the nail are reconciled to an exact fit, it

being understood that the two will be contigurated for that purpose without any bending.

of the nail taking place when the nail is driven home, thus overcoming the above-mentioned objections. I

What I claim is as follows:

1.- Tlie combination of the dies t and beddie t, ar'rangedto act obliquely, as described, with the dies g and u, whereby the beveled cut of the former compensates for the widening or enlarging caused by the latter, substantially as described.

2. The revolving plate f having openings or slots i, in combination withthe fingers m, having lips 11, substantially as and for the purposes set forth.

3. The combination of the revolving plate 1 and fingers m, holding the nail blank throughout a portion of the movement of said plate, with the three sets of dies s s, t t, and -u 9 substantially as described.

Keeseville, 25th day of October, A. D. 1878.

JOHN B. WILLS. \Vitnesses:

. G130. E. BREWER,

H. P. BLINN.

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