US260424A - shoetbleeve - Google Patents

Description

(No Model.) 6 Sheets-Sheet 1.

, D. SHORTSLEEVE. MAGHINE FOR ORNAMBNT ING STONE.

Patented July 4, 1882.

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' 11). SHORTSLEEVE. MACHINE FOR ORNAMENTING STONE N. PETERS. PlwkwLitho n har, Washington D. c.

(No Model.) 6 Sheets-Sheet 3. D. SHORTSLBEVE. MACHINE FOR ORfi'A'MENTING STONE.

P atented July 4, 1882.

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6 Sheets-Sheet 4. v

(No Model.)

D. SHORTSLEEVE. MACHINE FOR ORNAMBNTING STONE.

Patented, July 4, 1882.

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MACHINE FOR ORNAMENTING STONE.

No. 260,424. I Patented July 4, 1882.

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UNITED STATES PATENT OFFICE.

DAVID SHORTSLEEVE, OF RUTLAND, VERMONT, ASSIGNOR OF ONE-HALF TO SIDNEY \V. ROWELL, OF SAME PLACE.

EMACHINE F OR ORNAMENTING STONE.

SPECIFICATION forming part of Letters Patent No. 260,424, dated July 4, 1882.

Applicationfiled February 6,1882. (No model.) I

To all whom it may concern:

Be it known that I, DAVID SHoR'rsLEEvE, a citizen of the United States, residing at Rutland, in the county of Rutland and State of Vermont, have invented a new and useful Machine for Ornamentin g Stone, of which the following. is a specification.

My invention relates to a machine for shaping and finishing marble, slate, or other stonelike substances with either straight or serpentine outlines or surfaces; also for mortising, drilling, and countersinking such stone; also for ornamentin g and finishing round, oval. or other irregular-curved shapes in stone. The machine may be made single or double, the

one represented and described herein being double-that is, having shaping-cutters and operating and clamping mechanisms on either side of the center of the frame. The machine, when used for other than round, oval, or like irregular-curved orn am entations and finishing, employs a reciprocating stone-supporting bed; and when used for round, oval, or other like irregular-curved work employs a revolving stone-supporting bed. r

In the accompanying drawings, Figure l is a front elevation of a stone shaping or molding and finishing machine made double, as above mentioned, and illustrating the manner of employing the reciprocating table of the machine for supporting the stone, in connection with clamps, mechanism for operating the revolving cutter-bars and cutters and reciprocating the stone-supporting table. Fig. 2is a plan view of the same. Fig. 3 is a front elevation of the same machine, illustrating the manner of employing a rotary stone-supportin g table. Fig. 4 is a plan view of the machine shown in Fig. 3, without the clamps seen in the preceding figure, and showing the cutteroperating'mechanism in horizontal section in the line av 00 of Fig. 3. Fig. 5 is a bottom view of the machine, portions being brokenaway to expose the mechanism. Fig. 6 is a-vertical cross-section of the machine in the line 3 y of Fig. 5. Fig. 7 is a central section of the connection between the driving-pulley and the revolving cntter=bar in the line 2 z of Fig. 2. Fig. 8 is a vertical central section of the said driving-pulley intheline w a," of Fig. 2. Fig. 9 is a vertical central section of one of the reout the several views.

In the drawings, A represents a suitable platform or frame, provided at its top surface with longitudinal dovetail-shaped guides at, to which'a reciprocating table, A, is fitted. This table A is provided witha longitudinal rack,

a, into which a pinion, b, upon a vertical shaft, B, gears, and thereby gives motion to the same. The shaft B, which is hung between suitable bearin gs, b W, on the frame A, is provided with a bevel-wheel, 12 into which a bevelwheel, 0, upon a shaft, 0, gears, and thus gives motion to the wheels-b and b 4 The shaft 0 is suitably hung in the frame A, and it extends beyond the front of the frame A, where it is provided'with a handwheel, 0, having a handle, 0 for the convenience of the operator. The wheel I) may also be connected with another bevel-wheel, 0 se-- cured to a' shaft, 0, standing at an angle to the shaft 0, and being suitably hung in the frame A. The wheel 0 fits loosely around the shaft 0, and by means of an ordinary tongue and groove fit is adapted to slide longitudinally upon the shaft 0 and partake of its rotary motion.

The hub of the wheel 0 is provided with an annular groove, 0 into which the prongs of a forked lever, 0 fit, and whereby the wheel 0 may be moved into gear with the wheel I) or out of gear therewith. The shaft 0 extends beyond the side of the frame, and is provided with a pulley, 0 which receives motion through an ordinary belt from a line or counter shaft. By moving the wheel 0? into gear with the wheel b the table A is moved by the power of the line or other shafting of the shop.

By moving the wheel 0 out of gear with the V wheel 5 the table A can be moved by hand by means of the handle 0 of the wheel 0.

The table A is provided withsuitable T- grooves, a, into which the head d of a bolt, (1, is fitted, by which bolt a clamp, 1), may be secured to the table. This clamp consists of a vertical body, (1 through which the bolt d passes, and a horizontal arm, at, which extends over the stone to be clamped down upon the table.

The end of the arm 01 is provided. with a clamp-screw, d, and the foot (I of this clampscrew, which is spherical, has a clamp-washer, (Z loosely attached to it, so that it may easily level or adapt itself to horizontal or inclined positions of the stone to be clamped.

At both sides of the table A the frame A is provided with two upright guidesfl l, united at top by a horizontal bar, E. The guides E have T-ribs (2, upon which slides E are fitted and are lowered and raised by means of screws Fand nutsf. Thenutsfare fastened by means of screws f to the slides E and the screwsF arehung between theprojecting ends of the bar Eand the frameA,and their upper ends are secured to the bar E, by means of nuts 0 and washers a above the bar, and by collars 0" be low the same.

The lower ends of the scrcwsFareprovided with bevel-wheels f into which gear bevel wheels 9 of horizontal shafts G. The shaft G is suitably hung in the frame A and extending beyond the front of the same is provided with a hand-wheel, g 9 The screws 1* having one a'right'hand and the other a left-hand thread, both of the same pitch, the turning of the hand-wheel y will cause the two slides E to move up or down simultaneously and with the same speed.

The slides E are provided with horizontal dovetail guides 0*, between which a hollow cross-head, H, is held by means of horizontal dovetail ribs it, formed on the same, and thus the cross-head, besides partaking of the vertical motion of the slides E may also be horizontally moved in said slides. This horizontal movement is efl'ected by means of a screw, I, which passes through a'nut, 0 upon the slide E and has its front end embedded in the end portion, h,of the cross-head, to which itis longitudinally secured by means ofa collar, 1', at

' the inside, and a hand-wheel, i, at the outside,

of the same.

The cross-head H (see Figset andlO) is provided with dovetail ribs If, to which a faceplate, J, is fitted, and to which ribs the said face plate maybe fastened in any place along theirlength by means of set-screwsj bearing against the cross-head. Upon the face-plate J a center plate, K, with two arms, k, is secured by means of bolts 7;, whose heads are inserted Through the center of the plate K and the sleevelc a shaft, M, passes, having a bevel-gear wheehm, fastened to oneofits ends,audabevelgear wheel, m, to its other end, and by these wheels the collar L is kept upon the sleeve h and the shaft is also prevented from longitudinal movement. The arms lcofthecenter plate, K, are provided with bearings k through which a shaft, N, is passed. This shaft N is provided with two collars, a, fastened by means of pins n to the shaft, one of said collars being immediately above and the other below the bearings k Between the bearings a bevel-wheel, a is fastened to the shaft N, so thatitalso gears into the bevel-wheel m of the shaft M. The collars a have inner conical surfaces, n, into which the triangular shanks 0 of fiat cutters O are fitted. These cutters 0 have similar shanks 0 at both ends, and collars a similar to those, a, are loosely fitted upon the shaft 'N, and firmly clamped upon the cutters O by 'means of nuts 11. on the threaded ends a of the shaft N.

The inner conical surfaces, of, of the collars n and a may be grooved for the purpose ot'embedding a portion of the shanks 0 of the cutters into said collars, and thus holding the cutters very firmly, and making them capable of resisting the greatest strains of the machine without being displaced. The bevelwheel m gears into another bevel-wheel, p, fastened by means of a pin, 12, to a shaft, P. This shaft]? passes through the bearing L, and through a similar upper bearing, Q, which latter is, by means of a sleeve, q, and arm g secured to a standard, It, upon the bar E. p The upper part of the shaft P is provided with a longitudinal groove, 1), and a looselyfitting bevel-gear, p which is caused to revolve, with the shaft 1? by means of a straight key, 1), fastened in the bore of the wheel and fitting the groove 19 The wheel p rests upon the bearing Q, and thus maintains its normal position. Into the bevel wheel 12 another bevel-wheel, q, on ahorizontal shaft, Q, gears. The shaft Q revolves in the sleeve q, and is provided with suitable pulleys, Q which in practice are driven by means of a belt from 'the line-shafting of the shop. By this means the connection between the pulley-shaft Q and the cutter-shaft N'is maintained, while the cutter-shaft may be moved horizontally or vertically, or have its inclination changed to any suitable angle. In the drawings two similar cutter-bars and their operating mechanisms are shown, one only of which is described, while both are lettered similarly. This is done with a view of illustrating the general arrangement of the same upon a frame, A, common to both, without intending to confine my invention to any given number of such cutter-bars and mechanisms, as one, two, three, or more outter-bars with their operating mechanisms may be employed on one machine. When a revolving motion of the stone is preferred to the reciprocating" motion imparted by the table A, a round table, A (see Figs. 3 and 4,) is secured upon the shaft B, after thetable A has been moved out of the way, as indicated in said figures, and the pinion b has been removed fromv its shaft to give place for the table A In order to prevent the stone from slipping upon the table A dowel-pins a are provided fastened at any desired point by means of a set-screw, 15. To this slide athreaded handwheel nut,t is secured between two arms, t thereof, and a'screw, passes loosely through said arms and screws into an inner thread of the hand-wheel t In the screw it a longitudinal groove, P, is formed, and a steady-pin, t, of one of the arms t entering groove t prevents the screw from turning. On the lowcr'spherical end, i, of the screw t, a self-leveling foot-washer, d", is loosely fitted and bears upon the revolving stone X.

The construction and arrangement of the clamp T is such that it can be adjusted over the shaft B, so that the screw 15*? may stand in line with said shaft B, and thus the washer d, after being screwed down upon the stone X by means of the hand-wheel nut 15*, will revolve concentrically with stone X and shaft B, while the screw remains stationary. One revolving table may be provided for each cutter-bar.

In Figs. 1 and 2, a stone-slab, X, is shown clamped flat to the table A, and the cutterbar N vertical thereto. This is not however always done, as for certain kinds of shaping or molding it may be necessary to operate the cutter-bar at an inclination, or even in a horizontal'position, in which latter case the stone slabs may be fastened in a more or less upright position, and thus two such slabs may be operated upon at the same time. In the said Figs. 1 and 2, and in Fig. 5, the wheel 0 is shown in gear with the wheel N, which indicates that the reciprocating table A is operated by the power of the line-shafting.

The cutters O or finishing-tools may be so adjusted that both can be used when the table is movingforward or backward; or they may be adjusted right and left handed, so as to be used when the table is being moved in the appropriate direction. The cutter-bar, as Well as p the table, is therefore adapted to forward and backward movements by means of ordinary counter-shaftin g (connected with the pulleys c and Q driven from the line-shafts by straight and crossed belts.

I do not limit myself to any number of cutters 0 between the collars n a, as one, two, three, or more cutters will be used according to the quality of stone being cut and work being done. the cutters 0 will vary in accordaucewith the design of work to be done upon the stone, and cutter-bars might be provided with suitable appliances for. holding a drill, chisel, or suitable tool, and the' same operated so as to cut holes or mortises or countersinks in the stone.

Operation When a stone slab is to be provided with straight molding it is by means of one or more clamps,-D,fastened upon the reciprocatingtable A, so that the edge to be finished overhangs the edge of the table. The cutter-bar N is provided with the requisite cutters, and, by means of the hand-wheel g and the therewith-connected mechanism, is moved at a proper elevation with respect to the stone slab. This done, the cutter-bar is moved to ward the stone slab by means of the handwheel 2" and its mechanism; and, finally, the pulley Q is started by means of the ordinary The shape of the cutting-edges of p belt-shipping lever attached to thedriving-pulley on the counter-shaft. By 'means of the hand-wheel c the table A and the stone slab X are moved toward the revolving cutters O. This movement is continued until the operator finds that he can safely apply the running power of the shop to the feed-motion of the stone slab, when he, by means of the lever 0 and bevel-wheel, 0 connects the operating mechanism of the table A with the pulley 0 This pulley c is now set in motion inthe ordlnary way, and the stone slab is finished entirely by machinery. When the molding of the stone slab is to be serpentine, instead of straight,a templet of wood having the desired outlines may be used, and upon it the stone slab is placed. While the cutters O shape the stone slab, the lower collar n is, by means of the hand-wheel t", caused to bear against the serpentine outline of the templet, and the molding of the stone slab will present the desired outline. When circular or more or less circular molding is required the table A is moved back sufticiently to allow a round table, A, to be secured to the shaft B, from which the pinion b has been previously removed. No templet will be necessary for a trulycircu'lar slab; but for elliptic or serpentine molding or edging a templet may be used in the same manner as when used with the reciprocating table. With the use of the round revolving table the clamp Tis employed for fastening-the stone.

This clamp is moved from its extreme (idle) table are used. I have, however, illustrated the practicability of employing two cutter-bars, two revolving tables, and one reciprocating table in the same machine; but while one reciprocating table of appropriate length may suffice for all cases, the number of revolving tables and cutter-bars may be varied according to the requirements of the shop.

What I claim as my invention, and desire to secure by Letter Patents, is

1. In a machine for executing ornamental work in stone, the combination of the feed mechanism for operating the table which supports the stone, clamp for holding the stone, the revolving adjustable cutter-bar, provided with shaping-cutters, the mechanism for adjustin g the cutter-bar with its cutters in vertical, horizontal, and inclined positions with respect to the stone-supporting table, and the mechanism for operating the cutter-bar and cutters while the bar is standing in either of said positions, substantiallyas and for the purpose described.

2. In a machine for executing ornamental work in stone, the combination of a movable table which supports the stone,clamp for holding the stone,arevolvingadjustablecutter-bar, N ,provided with cutters,and the fixed pulleystandard R, shaft Q for pulley Q gear-wheels m and p, sliding shaft P, swinging bearin gs L Q, gears 11 and q, slide E sliding plate J, shaft M, and gear-wheels m and a, substantially as and for the purpose described.

3. The combination,with the revolving cutter-bar N, having stone-shaping cutters, and with the shaft B,which sets the stone-supporting table in motion, of the power-shaft 0,

gears b o ,and clutch device (3 and thehandshaft C,provided with the gear 0, and handwheel 0 0 whereby the stone may be fed either by power or hand, substantially as and for the purpose described.

4:. The combination, with the stone-supporting table, of a clamp, a vertically adjustable slide, a longitudinally adjustable center plate, and the vertically revolving cutter-bar having cutters set transversely to it, and applied upon a turning plate which is adjustable concentrically with the shaft carrying the wheel which revolves the bar and cutters, substan- 5o tially as and for the purpose described.

5. The combination of a stone-supporting table provided with suitable clamps, a revolving cutter-bar, N, provided with cutters at both its ends, and hung in bearings of an adjustable center plate, K, shaft M, and bevel- Wheels n m, substantially as and for the purpose described.

6. In a stone-ornamenting machine, the combination of the hand-screws Fand L, the guide H, the slide E sliding support J, revolving cutter-bar and cutters, a stone-supportin g table, mechanism for adjusting the cutter-bar and cutters, mechanism for operating said cutter-bar and cutters from a fixed pulley, mechanism for operating the stone-supporting ta-. ble, and adjustable clamps having self-leveling washers, substantially as and for the purpose described.

DAVID SI-IORTSLEEVE.

Witnesses:

SIDNEY W. RoWELL, J. G. PEASE.

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