US662031A - Locomotive turn-table. - Google Patents

Description

N0. 662,03l. Patented Nov. 20, I900.

-' L. H. SHOEMAKER.

LUCOMOTIVE TURN TABLE.

(Application filed Mar. 16, 1900.)

(No Model.)

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ATENT LOUIS H. SHOEMAKER, OF PATERSON, NEIV JERSEY.

SPECIFICATION forming part of Letters Patent N 0. 662.031, dated November 20, 1900;

Application filed March 16, 1900- Serial N0. 8,91].- KNO model.)

To (0Z2) who/1t it may concern:

Be it known that I, LoUIs H. SHOEMAKER, a citizen of the United States, residing at Paterson, in the county of Passaic and State of New Jersey, have invented certain new and useful Improvements in Locomotive Turn-Tables, of which the following is a specification.

My invention relates to turn-tables operated by other than manual power, and especially to those operated by electric motors.

The objects of my invention are, first, to provide a means by which either end of an ordinary locomotiveturn-table may rest directly upon a solid support while the turn-table is being loaded or unloaded and then lifted clear of the support to permit of its being turned; second, to provide a means by which the power from a motor attached to the turn-table may be applied to the ends of the turntable to revolve it horizontally about its center, and, third, to automatically center the turn-table with the track by which it is to be loaded or unloaded and hold it in position during the operation. I accomplish these objects by providing a carriage at each end of the turn-table and suitable mechanism for raising and lowering its ends from these carriages. A latch with a wedge-shaped end actuated by the above mechanism enters a bell-mouthed orifice and centers and secures the table. One of the wheels of each carriage is to act as a drive-wheel and is to be geared to a motor attached to the turn-table in such manner as not to interfere with raising and lowering the ends of the table.

The following is a description of myinvention, reference being had to the accompanying drawings, in which Figure l is an elevation of the carriage, a transverse section being taken of the turn table on the line A A, Fig. 2. Fig. 2 is a transverse section of the carriage, a longitudinal section being taken of the turn-table on the line B B, Fig. 3. Fig. 2 shows in elevation the mechanism for raising and lowering end of turntable and operating-latch. Fig. 3 is a horizontal section of carriage and turntable and shows the principal parts in plan.

The principal parts of the carriage are the girder G, the vertical shafts V, and the angleirons A, connected so as to constitute a truss supported by the drive-wheel D and the trailing wheel T. The vertical shafts V pass through hearings on the turn-table and serve to hold the carriage in a vertical position.

The links Z turn on pins at the top, which are carried in hearings secured to cross-girders in the turn-table. At the bottom they turn on pins carried in bearings secured to the girder G. The links 1 are operated bythe bars I), pinned to the levers 1", which are keyed to the shaft 8. The shaft sis supported in bearings attached to turn-table and is actuated by the lever L and bar B. The bar B may be actuated by a mechanism to which the power of the driving-motor can be temporarily applied by means of a clutch or otherwise or it may be actuated by an independent motive power. The levero, keyed to the shaft 8, operates the latch h by means of the slotted bar 12 and the counterweighted bent lever 25. The spur-wheel W is keyed to the drive-wheel axle and is actuated by the pinionp and driving-shaft S. The shaft S is supported by bearings attached to side of turn-table.

The mechanism is shown in the position it would assume with both ends of turn-table lifted clear of the supports and ready for turning.

The carriage at one end only of turn-table is shown, the other being precisely similar. The bar B, extending continuously from one carriage to the other, operates the links so as to raise one end and lower the other with the same movement.

WVhat I claim to be new in my invention, and desire to secure by Letters Patent, is

1. In an ordinary turn-table, consisting of two girders continuous over a center pivot about which it turns both vertically and horizontally, carriages for supporting ends of turn-table consisting of a girder supported by wheels on a circular track to which the ends of turn-table are flexibly connected vertically and rigidly connected horizontally.

2. In an ordinary turn-table, consisting of two girders continuous over a center pivot about which it turns both vertically and horizontally, carriages, one at either end of the table, each consisting of a girder supported by two wheels on a circular rail, and each connected to an end of the turn-table in such manner that the carriage is maintained in a of turn-table to move vertically with respect to carriages, pairs of links flexibly connected together, one link of each pair being flexibly connected to turn-table near its end and the other link being flexibly connected to carriage, and proper mechanism for actuating the joints ofsaid pairs of links, so that by one movement the links are operated at both ends of turn-table, raising one end and lowering the other with respect to the carriages, substantially as described.

at. In an ordinary locomotive turn-table,

with a carriage at each end to which the turntable is rigidly attached horizontally and flexibly attached vertically, a mechanismconsisting of the driving-shaft S, the pinion 79, and the spur-wheel W, by which asuitable mo tiverpower may be applied to one of the wheels of each carriage in such manner as not to interfere with raising and lowering ends of turn-table and by means of which the turn" table may be turned horizontally about its center, substantially as described.

5. In an ordinary turn-table flexibly supported at the ends from carriages as before described, with suitable mechanism for raising and lowering the ends of turn-table from said carriages, a latch actuated in connection with said mechanism so made as to bring the turn-table track into alinement with the track on the edge of the turn-table pit and secure it in that position, substantially as described.

, LOUIS H. SHOEMAKER.

Witnesses:

HERBERT B. SHOEMAKER, JAMES T. RILEY.

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