US912194A - Coining-press. - Google Patents

Description

0. SMITH.

QOINING PRESS. APPLIOAIION FILED 00124, 1902.

91 2, 1 94. Patented Feb. 9, 1909.

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0. SMITH.

GOINING PRESS.

APPLICATION FILED 00'1.24,1902.

91 2, 1 94;. Patented Feb. 9, 1909.

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912,194. Patented Feb.9, 1909. v

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912,194. Patent eb. 09.

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912,194. Patented Feb. 9, 1909.

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OBERLIN SMITH, OF BRIDGETON, NEW JERSEY.

COINING-PEE SS To all whom it may concern:

Be it known that I, OBERLIN SMITH, of Bridgeton, in the county of Cumberland, and in the State of New Jersey, have invented a certain new and useful improvement in Coining-Presses, and do hereby declare that the following is a full, clear, and exact description thereof, reference heing had to the accompanying drawings, in wl 'ch:

Figure 1 is the front elevation of the upper portion of a coining press embodying my i1nprovement; 2 is a elevation of the same; Fig. 3 is a vertical section of said press embodying my invention; Fig. i is detail view in plan with the upper die and the frame removed; F g. 5 is a ictail vie in vertical section on the line 55 of Fig. 6 is a detail view in plan showing the planchet feeding plates; Fig. 7 is ahoriaontal section on the line 7'. of Big. 5; Fig. 8 is a detail view in vertical section showing pivot for the upper die-holder or chuck; i 9 is a detail view inside ele *ation of the same; Fig. 10 is a detail view th reef in plan.

he object of my invention is the i:r rovement of coining presses to the end of simplifying their construction, increasing their efficiency, and facilitating access to parts thereof for cleaning and for cl ange when coins of different sizes are to be made, and to this end invention consists in the press having the construction of parts substantially as hereinafter specific d and claime d.

In its general construction, the press in which 1 illustrate my improvements as embodied is similar to the one covered by United States Patent, No. 574,227, granted to me Dec. 29th, 1896, there being employed, as in the press of said patent, a frame A comprising a base and two vertical posts or columns rising therefrom and connected at their tops, an upper coining die B mounted in a hinged or swinging holder or chuck C, a lower die D, a vertically movable support or ram E carr ing the lower die, a toggle F for raising the ram, interposed between the ram and the frame base, a spring G for lowering the ram, and a crank driving shaft H.

The up er die chuck C is attached to a horizonta rock shaft or pivot I that is journaled in a head J depending from the cross piece that connects the tops of the two posts or columns of the frame A, said head having as clearly shown in Figs. 3 and Specification of Letters L atent.

Application filed. (Jotober 24:, 1902.

Patented Feb. 9, 1909.

Serial No. 128,65

8 a slot for the passage of the chuck to per mit the swing or movement of the latter to move the upper die to and from position for worl Attached to the shaft or pivot I at one end thereof is a handle K that extends to a convenient point for the operator to grasp it to rotate the pivot to swing the chuck.

Fitted in an opening in the head J that extends parallel with the pivot axis and intersects the opening for the pivot is a rock shaft L having one side cut away, and preferahly on a curve of the same radius as that of the pivot, and in the side of the pivot is a longitudinal groove 2'. When the shaft L is turned to place the curved surface of its cut-away portion in coincidence 'with the curved surface of the periphery of the pivot l, the t r is free to be moved, while when the longitudinal groove i is contiguous to the shaft L, the latter may be turned to project a portion of i; out of the head opening in which it is mounted and into engagement with the roove i and thus the ivot I will That portion of the snart L be locked. which is moved into the pivot groove i has, preferably, a cam or eccentric formation, so that, should the pivot 1 lack a little of being moved to place the upper die B in accurate alineinent with the lower die, said eccentric or cam portion of the shaft L will operate to force the pivot to the position desired. The pivot I has a second angular, longitudinal groove i for engagement by the portion of the shaft L opposite that which engages the groove i, to support the chuck when it is swung from its vertical, or die-working position, to a horizontal position. A tached to one end of the shaft L is a handle M for rocking the shaft, and to hold the shaft L in position where it engages the groove i there is preferably provided a lug m on the handle M, and a spring-plate N suitably attached at one end to the head J, and having in its side a notch n with which the lug m interlocks.

The lower die D is secured in an opening in the upper end of a block 0, slidingly fitting a vertical opening in a bolster P that rests upon the ram E, said block 0 having room in its hole for limited vertical movement. Between the upper end of the die-carrying block 0 and the under side of a plate or table Q, bolted to the top of the bolster, is a spring R that presses block and die downward, and yieldingly holds them at the lower limit of their inovement in the bolster hole. Centrally beneath the block 0 is a vertical rod S whose lower end rests upon one end of a horizontal lever T that extends through an opening in the bolster to the outside of the bolster, said lever having bearings about midway its length upon the bolster and ram, respectively. A red U, having a swiveled connection with the lever T, connects the latter to one arm of a lever V pivoted on a shaft W journaled in bearings on the ram, and having its other end engaging a cam X on the shaft H. By the cam and lover V, the lever T is roclred to lift the rod S, and thereby raise the lower die block. Said lever T is moved in the opposite direction by a spring Y which is connected at one end to the lever, and at the other end to a convenient point on the ram. By reference more particularly to Fig. 2, it will be seen that the two side or cheek pieces of the ram are connected near the top thereof by a cross-piece e, to which the upper end of the spring Y is connected, its lower end being connected to the lever T, Said cheelr pieces are designated 6. The lower end of the rod S is reduced in size, and enters a hole in the lever T, and, as the rod U which connects said lever T and the lever V passes through the lever T, it will be seen that the lever T is securely restrainel from endwise movement, and therefore, no pivot pin is required for said lever The vertical movement of the lower die which is thus provided for, is, as will be understood, for the purpose of raising the coin after it has been made to the level of the table Q so that it may be ejected. The bottom of the hole in the bolster which contains the lower diblock is formed by a bloclr Z, and the said block is movable vertically so that, when desired, it may be dropped, to permit the lower die block 0 to descend sufficiently to remove the lower die from position for coining, it being desirable to place the lower die out of position for coining when, for example, the press is being run preliminary to getting up speed for work. Said bloclr Z rests upon a wedge A that is slidable horizontally in a space between the bolster and the ram, and for conveniently moving the wedge to lift the block Z, or to permit it to descend, said Wedge has a slot a which is engaged by a pin 1) on the under side of a lever B having a handle b for moving it. The rod S for lifting the lower die block passes through and is guided by a vertical hole in the block Z.

The rim or edge of the coin is formed by a die consisting of an annulus or collar C which is seated in a cavity in the upper side of the table Q and there held by a ring D having a flange to overlap a'flange on said collar, and which ring is threaded in an opening in the table provided for said die, the

, l l l l l l l l 1 a l l i i l 1 l term, respectively, a feeder Wll1Gl1 the planchets are carried to t e dies.

thread being interrupted or mutilated so as to enable the ring to be applied and removed by only a partial revolution. The upper sides of the collar and its holding ring are flush with the upper side of the table Q.

The planchets are supplied, as usual, by means of a vertical tube E which. is supported above the table Q by a plate F, to which the tube is fastened at its lower end. The plate F has an opening that receives t 10 lower end of the tube, the tube having a flange c that engages the upper side of the plate, and its portion in the plate-opening being downwardly and outwardly inclined, and the plate-opening for one-half its circumference being enough in diameter to permit the passing of the lower end of the tube into and out of the opening. A thumbscrew G, ltuated to engage the lower end of the tube at a point diametrically opposite that portion oi the opening which has an inclined side is provided to move and hold the tube in position, so that its inclined lower end is overhung by the inclined side of the table opening. The means described for con-- necti' g the tube to the plate is very simple, permits oi the easy attachment and removal of the tube, and forms a rigid connection between the tube and plate. The plate F is attached to the table Q, so that it may readily be removed, when desired, several b lts H and thumb-nuts I for the bolts being the attaching means.

Lying on the top of the table Q, beneath the plate F, are two thin plates, which I and a gri )per, by

Projecting "from the under side of the feeder J two pins or studs that, respectively, engage holes in a slide bar K mounted in a groove or way in the top of the bolster, and projecting from the under side of the gripper T which engages an opening in a right-angled extension of the slide bar K, while the other pin Z engages an opening in a block M" in a slide bar N in a guideway in the bolster. The end of the slide ba' N, adjacent the point of connection between it and the grip per L, is notched to provide two lateral extensions or fingers at between which extends the end of the right-angled extension of the slide bar K, the portion of said extension between the fingers being of less width than the space between the lingers, so that the slide bar N may be moved a short distance independently of the slide bar K. At its other end, the slide bar N has a notch in its side, into which projects a roller 0 carried by the upper end of a lever O, which is fixed to the shalt W, said shaft having at one end an arm which is actuated by cam P on the driving shalt H, a spring C5 being employed to hold the shaft arm in engagement with the cam. As the lever V for lifting the lower die n are two similar pins or studs Z, one of is fulcruined on the shaft said shaft thus serves a double purpose. By the movement of the slide bar N in one direction, the gripper L will first be rocked on its pivotal connection with the extension of the slide bar K, and then said extension being engaged by one of the fingers n, the slide bar ii and the feeder J will be moved, the gripper and the feeder then moving simultaneously. The feeder has a notch j to engage the lowermost planchet in the stack in the tube E, and the travel of the feeder is suilicient to carry such planchets half way to the dies, and the gripper has in one side a notch Z to engage the planohet where it is l ft by the feeder, into engagement with Wllisll it is moved by its swinging motion, and by this movement the time it moves with the feeder it carries the planchet to the dies. lhen the planchet is d by the gripper, it is also engaged by the feeder, the latter be ing extended or giv n sufficient length for this purpose, and its ength preierabl being such that when the feeder is fully ietracte d it will ex nd beyond the dies. It will be seen that while the upper is moving a blank to the di :s the feeder is me ring one from the hopper in readiness for engagement by the gripper in its next succeeding onward movement. Besides the notch Z, the-extremity oi the gripper nae a notch Z to engage the newly formed coin, so that, v-qhen the gripper is moved onward, it will carry the coin with it, the coin being guided by the ext-ension of the feeder. The expelled coin drops into hole g in the table Q, and thence passes from he machine to a suitable receptacle. A shield R is placed above and partially around the hole g, and at the side of the hole opposite the feeder L, is a guide-plate S, pivoted at one end to the table, so that it may be adj usted towards and irom the hole, as may be found necessary, a thumb-screw T in the shield B. being provided, that is adapted to engage said plate and clamp it in a desired position. To insure the stoppage of the planchet when moved from tl e bottom of the supply tube by the feeder L at the point for proper engagement by the gripper notch Z, a friction device is provider which consists of a spring e that bears gently upon the upper side of the planchet at said point.

An adjustable stop for the feed ng devices is employed that consists of a horizontal rod U, situated beneath the lateral extension of the slide bar K and having an annular enlargenrent or flange it which lies in the path of said extension, said rod having one end threaded to engage a threaded opening in the bolster, and at its other end being reduced in diameter, and journaled in a thirnble i that is screwed into the bolster, ant which serves as lock nut to hold the rod with its stop flange in the desired position. The end tool for revolving the rod.

of the rod is projected beyond the thimble, and is formed for the reception of a suitable The stop rod is round in erosssection, and, having an annular stop flange, it can be very easily and cheaply made, since it can be turned in a 1 W L r 1 a T lathe. 'lhe movement of the shoe bai l\-' by the lever O for feeding is produced by the action of the spring Q on the lever U, so that the adjustable stop for the feeding devices may be employed as the spring will permit the slide bar it to be stopped at the desired point.

The feeder J and the gripper L are not positively attached to their respective slide bars, but the pins or studs on their under side, which en ,er openings in their respective slide bars, are merely dropped therein. By this construction, the application and removal of the footer and gripper are most easily accomplished, so that but little time and work are required for the removal and replacement of the feeder and gripper'ior leaning, or when it is desired to change the :ee ler and slide to suit the press for coins of different diai i ter. it will be observed that the operating mechanism for the reed devices is of very simple construction. The end or the gripper L that passes between the dies is preferably made separate from the r nainder oi the gripper so that if, by ace de it, such end should caugl t between such dies, it alone would be injured and not the entire plate and, preferably, such end is made of bronze.

Preferably a friction brake W is applied to the slide bar to prevent its accidental movement with the slice bar N.

A foot guard to prevent the test of the operator getting into the toggle is preferably employed, that consists of a glazed frame X that is reinovably mounted in place between the frame posts or columns.

raving thus described my invention, what I claim is:

1. The combination of a pair of dies, a pivot for one or the same having a peripheral groove on which the die maybe moved into and out 01 position For use, at will, a rock shaft whose axis is parallel with the axis of the pivot having a out-away portion and positive means consisting of a handle for turning said rock shaft to interlock it with ti o pivot groove.

2. The combination oia die-supporting block, a part in which the same is movably mounted, a movable rod adapted to engage said block to move the same, but unconnected with it, and means for causing said block to move relative to, and independent of, the rod.

' The combination 0:5 a die-supporting O. bl clr, a part in which the same is movably mounted, a spring "for moving said block in one direction, and a rod adapted to engage but unconnected with the block to move it in the other direction and means to move the block relatively to and independently of the rod.

4. The combination of a die, means for moving said die, a (lie-supporting block, a part in which said block is mounted, a second die towards which the first-mentioned die is movable to cans them to coact, said blocs being movable in the direction opposite that in which said first-mentioned die moves to remove the die supported by the block from its nor nal operative position, and a support for said block, said *npport being movable to position to change the position of the die supported by the die-supporting block.

5. The combination of a die-supporting block, a part having a vertical opening in which said block is movably mounted, a second block at the lower end of said opening, means whereby said second blccl: may be raised and lowered, and a rod adapted to engage the die supporting block passing through an opening in said seconr'r block,

(5. The coniibination or a pair of opposing dies, a collar through wh' one of said dies is movable, a block: support: movable die, a part having a vertical opening i which said die support is mounted, a second block at the bottom oi said opening that is vertically movable, and a rod adapted to engage the dieupporting block.

7. The combination of blank feeder, an operating part below the same, and pin and hole connection between the it tor and said part, the feeder be'ng removable by lifting it from the operating part.

8. The combination of a blank feeder, a slide bar having a hole and situated beneath the feeder, and a pm extending -from the feeder down into the hole, the feeder being removable by lifting it from the bar.

9. The combination of a feed mechanism comprising two parts and means to operate them simultaneously, and to operate one of them independently of the other, one of said parts being situated to engage the article to be fed after it has been moved by the other.

10. The combination of a feed mechanism comprising two parts, one of which has a motion with and independently of the other, and means to move said parts together and to move the one that is movable independently of the other towards and from the 0th r, the part that is movable independently of the other being situated to engage the article to be fed after it has been moved by the other part.

11. The combination of a feed mechanism comprising two parts, two slide bars, to one of which one of said parts is connected, and to both of which the other of said parts is connected, and means for imparting motion to said slide bars simultaneously, and to one of them. independently of the other.

12. The combination of a feed mechanism comprising two parts, two slide bars, to one oi which one of said parts is connected, and to both oi which the other of said parts is connected, a loose connection between said bars wl ereby they may move simultaneously and one may move independently of the other, and means for imparting movement to said bars.

in testimony that I claim the foregoing I have hereunto set my hand.

OBERLIN SMITH.

Witnesses:

Janns J. Rnnvns, MAX LEVY.

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