US84654A - Improvement in the construction of rubber and other elastic springs - Google Patents

Description

D. .E- SOMES.

Construction of Bubber'and other El astic Springs.

Patented Dec. I, 1868'.

u PETERS Mmnpher. Washinglm my a enital fiance (Mir.

tent

' the same, showing elastic metallic bands combined with .adapted to sustain a varying load in regulating its own When suificient pressure is brought to-bear upon DANIEL E. .SOMES, OF WASHINGTON. DISTRICT OF COLUMBIA.

Letters Patent N 0. 84,654

, dated Deccmber'l, .1868.

mrPRovEMn-Nr IN THE cons'rnucrron or- Rn'BBnR OTHER ELASTIC SPRINGS.

The Schedule referred to in these LettersPatent and making part of the same.

To all whom it may concern:

Be it known that I, DAnmL ll. smiles, of Washington, District of Columbia, have invented a new and useful Spring, for various purposes; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, which make part of this specification, and in which- Figure 1 represents a perspective section of my improved spring, shown-as composed of elastic tubes;

FigureZ, asimilar section of the same, composed of elastic spheres Figure 3, a sectional elevation of -a similar form of the spheres; and

Figure 4,a view, in perspective, sented by fig. 3.-

The object of my invention is to produce a spring whose elasticity will be exerted to different degrees, according to the different pressures which are put upon it, so that agreater or less pressure upon the spring will respectively develop a greater or less amount of elasticity therein; to which ends,

My improvement consists in forming a spring of a series of elastic tubes or spheres,' one within the other, by which means the elasticity of the separate members of which the spring is composed is successively developed or rendered latent, according as the pressure upon it is increased or diminished, and the spring thereby of the spring repre-' tension.

In the accompanying drawings, which show a convenient arrangement of parts for carrying out the objects of my invention,

Fig. 1 shows my spring'as composed of a series of elastictubes, A A A one within another.

These tubes may be composed of rubber or other suitable elastic material, and their number, diameter,

the spring to surpass the elasticity of its outer tube, that of-the next will be developed, and so on through the series, in proportion to the variations of pressure. In like manner, according as the pressure upon the spring is relaxed, its several members will return to their original form and tension.

Figs. 2, 3, and 4 show my spring ascomposed of a series of spheres, B B B one within another, and op. rating similarly to the tubular spring just described.

The spheres may either be made air-tight, for the purpose of utilizing the elasticity of the air within them, or be provided with orifices, b I), through which. it can escape when they are compressed, and thereby enable the pressure to be sustained by the spheres alone.

In figs. 3 and 4, elastic metallic bands or rings, 0 G,

similar bands maybe .used upon the tubes A A A if deemed desirable.

latter maybe of circular, elliptical, or polygonal crosssection, as found most suitable to the conditiou'of its construction and use.

It will be seen that my spring is simple in its con- .priately applicable to railway-cars, wagons, and all other cases, where varying weights or pressures are to be borne by the same spring or set of springs.

Having thus 'fully described my invention,

' What I claim therein as new, and desire to secure by Letters Patent, is-

one within another, substantially as set forth.

2., A spring, composed of a series of elastic spheres,

substantially as set forth.

3. A spring, composed of elastic tubes or spheres, surrounded by elastic bands or rings, substantially as set forth.

D. E.- SOMES.

Witnesses:

F. O. Semis,

CHARLES Harmon.

are shown asvsecured to the spheres by rivets c c, and- In cases where my spring is composed of tubes, the

struction, and not liable to derangement, and is appro- 1. A spring, composed of a-series of elastic tubes,

one within another, and either air-tight or perforated,

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