US1025051A - Spring-wheel. - Google Patents

Description

C. GARRIGK.

' SPRING WHEEL.

APPLICATION FILED 0914, 1911.

1,025,051. Patented Apr. 30, 1912.

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CHARLES P. GABRICK, 0F FLINT, MICHIGAN.

SPRING-WHEEL.

Specification of Letters Patent. Patented Apr. 30, 191 2.

Application filed October 4, 1911. Serial No. 652,889.

To all whom it may concern Be it known that I, CHARLES P. CARRICK, a citizen of the United States, residing at Flint, in the county of Genesee, State of Michigan, have invented certain new and useful Improvements in Spring-Wheels; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the. art to which it appertains to make and use the same.

This invention relates to an improvement in spring wheels, and has for its principal object to provide a wheel having resilient spokes whereby the necessary resiliency is obtained without the necessity of employing the pneumatic tire now in general use.

Another object of the invention is to improve the construction and increase the etficiency of wheels of this type.

A further object of the invention is to provide a wheel of the character described, which is composed of a minimum number of parts, is therefore simple in construction, and is cheap to manufacture.

.Vith these and other objects'in view, the invention consists in the construction and novel combination of parts hereinafter fully described, illustrated in the accompanying drawings, and pointed out in the claims hereto appended; it being understood that various changes in the form, proportion, size and minor details of construction within the scope oi the claims may be resorted to without departing from the spirit or sacrificing any of the advantages of the invention. I r

In the drawing: Figure 1 is a side elevation of a wheel constructed in accordance with my invention, Fig. 2 is a detailed sectional view through one ofthe spokes, Fig. 3 is a similar view taken on a lane at right angles to the construction s own in Fig. 2, parts thereof being shown in elevation, Fig. 4 is a perspective view of the'plug.

Like reference numerals designate corresponding parts in all the figures of the drawing.

Referring to the drawing, 5 designates a metal hub from which radiate a plurality of flat springs 6, each spring being disposed in a plane at right angles to the plane of the face of the wheel and terminating in an interiorly threaded socket element 7.'

The felly consists of a metallictubular member, designated as awhole by the reference numeral 8. This member is formed on its outer face with a peripheral depression 9 forming a seat for receiving a tire 10 of any suitable construction. The side walls 0 1111 of the member are connected by an inner wall 12, and this inner wall. is centrally formed with a plurality of depressions 13 which are disposed in alinement with the socket element 7. Each of these 5 depressions is substantially semi-circular in shape, and consists of opposed walls 1414 and a connecting wall 15, said side walls 14- being disposed in planes parallel to the face of the wheel.

The invention further comprises a plurality of spokes, each spoke consisting of inner and outer members 16 and 17 respectively. The inner member 16 is preferablyformed from a solid rod of metal, and has its inner end 18 threaded and engaged within the socket 7 of the spring 6. The outer end 19 terminates in spaced relation to the any 8, and centrally projecting from this "endisastud 20. Theoutermember17 consists of an open ended tube 21, and this tube is threaded at its outer end, as indicated by the reference numeral 22, for receiving a threaded plug 23, the inner end thereof, having a stud 2e: projecting centrally therefrom. The inner end of the tube 21 is adapted to receive the outer end 19 of the member 16. A coil spring 25 is disposed within the tube 21, and has its ends disposed around the studs 20 and 24. By means of this spring, it will be observed that the member 16; is yieldingly held away from the felly 8.

Centrally formed on the outer end of the plug 23 is an ear 26. This ear has its base extending beyond the plug 23 at diametrically opposite points to form shoulders 2727 and the edge 28 of said ear is shapedto correspond to the connecting wall 15 of the depression 13, but is considerably smaller than the same. A transverse pivotpin 29 is disposed in suitable openings formed in the walls 11 of the felly, the walls 14 of the depression, and the ear 26.

From the foregoing, it will be observed that as the wheel passes over any obstructions, the spring 25 will be compressed, and thereby permit the hub 5 and consequently the body of the vehicle to which the wheel is attached to move. When the wheel strikes the obstruction, the pivot onnection and the flat spring 6 connecting the inner end of the spoke with the hub, will permit of the ready movement above mentioned.

'What is claimed is:

1. A'spring wheel comprising in combination, a hub, a series of flat springs radiating therefrom and terminating in interiorly threaded sockets, a felly, a series of spokes each consisting of inner and outer members movable longitudinally one within the other, theinner member consisting of a rod having its inner end engaged within a respective socket and the outer member consistin of, an open ended tube having an interior y threaded outer end, a threaded plug engaged within the outer end of the tube,

- an ear projecting from the plug and having 'pivotal connection with t p e felly, and a coil spring within the hub intermediate the outer end of the inner member and the inner end-of the plug.

' dieting therefrom and terminating in interiorly threaded sockets, a felly, a series of spokes each consisting of inner and outer members movable longitudinally one within the other, the inner member consisting of a rod having its inner end engaged within a re spective socket and the outer member con: sisting of an open ended tube having an interiorly threaded outer end, a threaded plug engaged within the outer end of the tube, an ear projecting from the plug and having pivotal connection with the telly, said ear having its base projecting beyond the plug to form consequent shoulders for frictionally engaging the outer end of the tube, and a coil spring within the tube intermediate the outer end of the inner member and the inner end of theplug.

In testimony whereof, I ailix my signature, in presence of two witnesses.

CHARLES P. GARRICK.

\Vitnesses:

JAMES M. TonnEY, EDWARD D. BLACK.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D. C.

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