US48409A - Improvement in lathes for turning tool-handles - Google Patents

Description

3% aux@ AM. PHDTO'MTHO. C0. N.Y. (OSEDRN E'S FRUCESS) UNITED STATES PATENT OFFICE.

H. K. JONES, OF KENSINGTON, CONNECTICUT.

IMPROVEMENT INV LATHES FOR TURNING TOOL-HANDLES.v

Specilication forming part of Letters Patent No. 48,409, dated June 27, 1865.

To all whom it may concern: i l I Be it known that I, H. K. JONES, of Kensington, in the county of Hartford and State of Connecticut, have invented a new and Inl-- accompanying drawings, forming part of this specification, in which- Figure l is a transverse vertical section of this invention, the line 'x Fig. 2, indicating the plane of section. Fig. 2 is a longitudinal vertical section of the same, the plane of section being indicated by the line y y, Fig.,l. Fig.3 is a horizontal section of the same, taken in the plane indicated by the line z z, Fig. l. Fig. 4 is a transverse vertical section, the line m x', Fig. 2, indicating the plane of section..

Fig. 5 is a detached elevation of the cutter, frame. Fig. 6 is a transverse vertical section of the same, the line y y', Fig. 5, indicating the plane of section.

Similar letters of reference indicate like parts. V

This invention relates to a machine in which the blocks are placed in a V-shaped trough, from which they are' taken up automatically, one after the other,v by two sets of centers. One set of centers form the shafts of drums or pulleys, to which a revolving motion is imparted by a belt or by a friction wheel, or by both combined, and the other set of centers is arranged in a revolving head, and to each center a longitudinal sliding motion is imparted at the proper intervals by a cam ina forward direction, and backward by a spring in such a manner that the spurs on the revolving centers are driven into the blocks and the latter compelled to revolve with said centers and afterward released.. The troughcontaining the blocks is adjustable, so that its position can beregulated to suit the thickness ofthe blocks, and it follows the revolving heads which carry the centers for a short distance until the block is firmly held between said centers in the desired position. The cutters are all stationary, the shaping-cutters being secured in a segmental frame and the cutting off tool in a recess cut for that purpose in the frame. The shapin g-cutters are removable, so that they can be easily taken off and replaced by others,or that .they can lbe sharpened and readj usted without difficulty, and the frame containing a full set of cutters can also be removed.

Arepresents aframe, which is made of wood or any othersuitable material. The end pieces of this frame form Vthe bearings for the main shaft C, to which a slow and powerful rotary motion is imparted by gear-Wheels c b and pulleys c d, one'of which is secured to the end of the driving-shaft e, as clearly shown in Figs. l i

and 2. Thecog-wheel b is firmly keyed to the shaft C, and at a certain distance from said cog-wheel is the diskv c, mounted on the main shaft. The cog-wheel and disk form the bearings for a series of spindles, f, to which the pulleys g are firmly secured, and these spindles are placed at equal distances from the main shaft. Their inner ends extend through the disk e, and are provided with spurs (with or without a center spur) to catch hold of the blocks and cause them to revolve with the spindles, to which rotary motion is imparted either by a belt, h, extending from a drum, t', on the line shaft, over a drum, j, on the driving-shaftof the machine, and around the pulleys g on the spindles f, which might be oiled, if desirable, or by a friction-wheel filling the space inclosed by the drums or pulleys, and

bearing equally upon all. f

The sliding centers 7c arc fitted into a head, E, which is firmly held by a set-screwl at such a distance from the disk e that the blocks from which. the tool -handles to be turned can be readily placed between the centers.

It is obvious that the centers k must be in line with the spindles f, and they are adjusted to theaction of springs l, (see Fig. 2,)and have a tendency to throw the same back in the direction of the arrows marked on said centers in Fig. 2. y

A cam, m, whichV bears on the rear ends of the centers k as the same revolve with the drum E, presses the same forward against the action of the springs and spring-dogs n, catching ini the finished handle drops down, making room for a fresh block.

The blocks to be turned are placed, one after another, into a V-shaped trough, F, which is supported by arms p radiating from and swinging on the main shaft C. Said trough is adj usted in the desired position by a set screw, g, and the arms turn up and combine to form a head, r, in which is secured a hook, s, which extends over the drum E, as clearly shown in Fig. 3. Pins t, which project through slots in the circumference of the drum, catch under said hook as the drum revolves and carry the trough F along, so that the block which has been placed on said trough is kept in the proper position between the centers, to which the same is to be secured. When Vthe sliding center 7c strikes the cam or roller m and begins to move,

,trough drops back to its original position, ready to receive a new block. After the block has been thus secured between tne centers, it is carried along by the revolving motion of the main shaft C, and at the same time an independent rotary motion is imparted to the block by the action of the belt h on the pulleys g, so that when brought in contact with the cutters G it will gradually be brought in the desired shape. Said cutters are stationary, and secured to a segmental frame, H, which is fastened to the frame A between the disk e and drum E. A series of cutters are used, and these cutters Aare so shaped that the lirst cutter will take oli' the corners ofthe block, the seeond will begin to turn the same round, and so 0n,little bylittle, until the final shape is given t0 the wood by the last cutter. Each cutter is adjustable toward and from the work, so that a larger or smaller cut can be taken, and the full set of cutters can also be taken out and replaced byothers of dilierent form and shape to correspond to various articles to be turned. After the handle or other article has been turned to the proper shape it is brought in contact with the cuttingoff tool I, which is also stationary and secured to the frame A, as shown in Figs. l and 3.

This tool cuts oft the end of the wood near I cla-im as new and desire to secure by Letters Patent- 1. The spindlesf, provided with spurs, and I arranged in a revolving head, b e, and operating, in combination with the longitudinallysliding centers k, in the revolving drum E, substantially as and for the purpose setforth.

2. Giving to the spur-centers a sun-andplanet motion by means substantially such as herein described, for the purpose set forth.

3. Giving to the centers k an automatic reciprocating motion by means of a spring and cam, or other equivalent means, substantially as and for the purpose specified.

4. Thepins tand hook s, applied, in combination with the trough F and centers 7c, substantially in the manner and for the purpose described. A

5. The use of stationary cutters G I, in combination with eentergsf k, arranged in revolving heads, substantially as and for the purpose set forth.

H. K. JONES. Witnesses: l

E. B. HoircHKrss, JNO. W. GLARK.

Images