US276198A - Wooden plates - Google Patents

Description

(No' Model.) 3 Shets-Sheet 1.

v S.H.SMITH.

MAOHINB-FOR CUTTING WOODEN PLATES.

Patenjggd 1 1". 4, 1883.

%/7/AllllllllllllllW////% WITNESSES a Sheets-Sheet 2.

(No Model.)

' S. H. SMITH.

MACHINE FOR CUTTING WOODEN PLATES. No. 276,198. Patented Apr. 24,1883.

WITNESSES: N k

(No Model.) 3 Sheets-Sheet 3. S. E. SMITH. MACHINE FOR CUTTING WOODEN PLATES.

Patented Apr.24, 1883.

NITED STATES:

SETH H. SMITH, or DELTA, OHIO, ASSIGNOR To THE SMITH MANUFAC- TUBING COMPANY, OF SAME PLACE.

MACHINE FOR CUTTING WOODEN PLATES.

SPECIFICATION forming part of LettersIPatent No. 276,198, dated April 24, 1883.

Application filed January 27, 1883. (No model.)

To all whom it may concern:

Be it known that I, SETH H. SMITH, a citizen of the United States, residing at Delta, in the county of Fulton and State of Ohio, have invented a new and useful Machine for (Jutting Wooden Plates, of which the following is a specification, reference being had to the accompanying drawings.

This invention relates to a machine for cutting continuously from a block of wood concavo-convex shells, plates, or dishes, serving as packages for butter, berries, and for other purposes; and my invention consists in certain improvements in the construction of the said machine, which will be hereinafter fully described, and particularly pointed out in the claims.

In the drawings hereto annexed, Figure 1 is a perspective view of my improved machine. Fig. 2 is a side view of the same. Fig. 3 is a front view. Fig. 4 is a top plan. Fig. 5 is a longitudinal vertical sectional view. Fig. 6 is a detail view in perspective of the feed mechanism. Fig. 7 is a detailview of the frontend of the follower, showing the mechanism for holding the block of wood in position for operation. Fig. 8 is a detail view of the mechanism for connecting the feed-screw with the follower, and Fig. 9is a detail view of the stop mechanism.

The same letters refer to the same parts in all the figures of the drawings.

The frame of my improved machine consists essentially of a box or trough, A, mounted or supported upon suitable legs or standards, B. At the front end of the box A bearings are provided for the transverse main shaft (J, carrying a band-wheel, D, to which motion may be transmitted from any suitable motive power. The main shaft is provided in front of the box A with hubs or collars E E, to which acurved knife or cutter, F, is securely attached. One side of the box A has bearings for a longitudinal shaft, G,the front end of which has a bevel gear or pinion, H, engaging a like pinion, I, upon the end of the main shaft 0. J is a hub or collar secured upon the shaft G in rear of the pinion H, and having an arm, K, to which a straight radial knife or cutter, 'L, is bolted or otherwise secured. This cutter, when the shaft G revolves,moves directly in front of and almost in contact with the front end of the box A. A horizontal U-shaped bracket, M, is provided, forming a guard for the knife L.

N is a follower, sliding longitudinallyin the trough A. The said followerconsists ofa box,

is pivoted a disk, 0, having an upwardly-projecting arm or lever, P, by means of which it may be oscillated upon its pivot. The front end of the box has bearings for two laterallysliding arms or dogs, the outer ends of which have inwardly-turned sharp hooks Q, while the inner ends of the said dogs, which are denoted by letter R, are provided with pins S, extending through slots T in the front end of the box or follower and into eccen trio slots U formed in the disk 0.

It will be seen that by turning the said disk the dogs S may be moved apart, so as to release, or together, so as to clamp and hold the block of wood to be cut, which has been previously placed in the trough A, in which it should as nearly as possible fit. To receive the ends of the dogs S, slots or grooves V may be formed in the inner sides of the box.

The rear end of the follower-frame is provertically-sl ding half-nuts, X X, having pins Y Y, which engage eccentric slots Z Z in a plate, A pivoted to the end of the box or frame,and having an operating-handle, B 0 is a feed-screw placed longitudinally in the trough A and journaled in the rear end of the latter and in a bracket, D about centrally in the same. The feed-screw passes through the slot W of the follower, between the nuts XX, which, by the mechanism described, may be thrown into engagement with or released from the feed-screw by simply operating the lever B The rear end of the feed-screw projects through the rear end of the trough Aand carries a ratchet-wheel, E of trough A, surrounding the end of the screw, is formed a collar, F upon which is journaled a hub, G having arms H 1 the former of which carries a spring-pawl, J engaging the ratchet-wheel E The arm 1 has a slot, K radial to the hub, in which a Wrist-pin, L", is adjustable by means of athumb-nut or in any upon the inner side of the front endof which Upon the rear end vided with.a slot, W,in which are placed two the box'or trough A.

suitable manner. The pin L is connected by a pivoted rod, M with a similar wrist-pin, N

radially adjustable in a slot, formed in a disk, P secured upon the rear end of the shaft G. It will thus be seen that when the latter revolves the disk P imparts an oscillating motion to the hub G2 and its attachments, which in turn through the pawl J serves to revolve the feed-screw, thereby feeding the follower forward in the box A. The length of the feed may be determined by adjusting the wrist-pins in their respective slots.- To move the follower back it is only necessary to disengage the halfnuts from the teed-screw by the mechanism described.

The band-wheel D, which is loose upon the main shaft, may be thrown into gear with the latter by a clutch, Q sliding upon the said shalt. The clutch is operated by a lever, R mounted upon a vertical pivot adjoining; the

box or trough A. The rear end of said lever rests upon a horizontal arm, S extending from a vertical shaft, T journaled to the side of The arm S is provided with upwardly-projecting pins U between which the lever B rests. The-shaft T is provided at its upper end with an inwardly-projecting arm, V adapted to be engaged or struck by a stop, W longitudinallyadjustable upon the upperedge of the follower. This stop may be set or adjusted so as to stop the machine when the follower reachesany desired point which may be previously determined. \Vhen the stud or stop W strikes 'the arm V it turns the shaft T thereby operating the lever R and throwing the clutch out of gear, thus stopping the machine.

The U-shaped bracket M, which has been hereinbefore described as forming a guard for the knife L, also performs an important function in forming one of the bearings for the main shaft 0, one end of which is journaled in a box, X upon the front arm of said U-shaped bracki t. Said arm, which is denoted by letter Y is connected by a brace, Z withoone of the supports of the machine, thus holding themachine steady and witho'uttrembling during operation.

The operation of. my improved machine will be readily understood from the foregoing description, taken in connection with the drawings hereto annexed. After moving the follower back, a block of wood of the proper size is placed in the trough A and clamped by the dogs 11. When the machine is started the block is fed to the knives or cutters, which are to be so arranged in relation to each other and to the feed that the feed shall take place after the curved knife completes its passage across the face of the block and before the knife L reaches the edge of the same, while the latter must nearly or quite complete its throw before the cutting-knife I comes into action. The function of the latter is to cut from the face of the block shells or concave-convex dishes, while the radial knife L, before each throw of the cutting-knife F, faces off the block, thus causing the knife F to cut always from the face of the block, and making all the shells out of exactly the same size and shape. In cross-section the said shells are. naturally segmental, while in longitudinal section their shape is governed by that of the knife or cutter F. When the block has been cut up, or at any desired point, the machine "is automatically stopped by the mechanism described, and the butt-end may then be removed, the follower moved back, and a new block placed in position for operation.

I am aware that a clutch serving to conncct a drive-wheel to a shaft has been arranged to be operated by the action of a follower upon the lever holding the said clutch, and such mechanism I do not broadly claim.

I claim as my invention and desire to secure by Letters Patentof the United States-- 1. A machine for cutting concavo-convex shells eoutinously from a block of wood, the same comprising in its construction a revolving curved knife having both its ends attachcd to thedriving-shaft, and a facing-knife attached radially to a shaft located at an angle to the driving-shaft, substantially as set forth. i

- 2." In a machine for cutting concavo-comlex shells continuously from a block of wood, the combination of a revolving curved knife having both its ends attached to the drivingshaft, a facing-knife attached radially to a shaft located at an angle to the drivingshaft, and mechanism for feeding a block inteumittingly to the said knives after the throw of the cutting-knife and before the throw of the facing-knife, substantially as set forth.

3. The combination of the frame-box having a collar upon its rear end, the feed-screw wrist-pins, and suitable operating mechanism,

substantially as and for the purpose set forth. 4. The combination of the main shaft, the

band-wheel mounted loosely upon the same and having a clutch, a clutch-collar sliding 'upon the shaft, a horizontal lever operating the said clutch-collar, a vertical shalthaving at its lower end an arm supporting the rear end of the lever between two vertical pins and at its upper end an inwardly-projecting arm, and the follower having a longitudinally-adjustable stop-stud, substantially as set forth.

In testimony that I claim theforegoing as my own I have hereto affixed my signature in presence of two witnesses.

' SETH H. SMITH. Witnesses WM. BAGGER, J. REED LITTELL.

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