US81499A

US81499A - Georgew

Info

Publication number: US81499A
Authority: US
Publication date: 1868-08-25
Anticipated expiration: 1885-08-25

Description

HARRIS & ELLIOT.

v Car Spring.

Patented Aug. 25, 1868.

I v l/lllllilvdaf rf NvPETERS. PHDTO-LITHOGRAFHER. WASHINGTON D C cnoncnnw. HARRIS A ND GEORGE ELLIOT, OF AURORA, INDIA-NA Letters Pctent No. 81,499, dated Aagust 25,1868.

" IMPROVEMENT IN GAR-SPRINGS.

digs 5:11am: rrfemh tn in ihestfitttas fitment ma mating part at the same.

Be it known that we, GEORG W. HARRIS and G'sonen Enmor, bothof Aurora, Dearborn county, Indiana, have invented a .new' and. useful Car and Carriage-Spring; and we hereby declare the following to be a full, clear, and exact description thereof, reference being bad to the accompanying drawings, making part of this specification. V V

Our invention relates to a form. of spring for supporting the bodies of railroad-cars and other vehicles, which combines great elasticity and endurance withteconomy of weight, space, and material.

In the drawings-' Figure 1 is a'perspective view of a spring composed of a nest or bundle of leaves connected by a band or strap. I I

Figure 2 is a perspective view of one of the leaves.

Figure 3 represents a transverse section of the complete spring.

Figure 4 illustrates a modification.

-Our spring is composed essentially of a series of steel plates or leaves, A B G, bent into the curved form vrepresented, tapering in width from their centre toward each end, and having upturned edges'or flanges, D,

which flanges taper height toward the ends. 1

Each leaf in succession upward in the series is of so much less width as to fit or nest snugly within that below.

The leaves are retainedin a compact bundle or pack by means of a strap, E, so formed as to fit and grasp the top and sides of the pack at its widest portion, the stud or protuberance e of said strap occupying the space between the uppermost leaf, and bcingtraversed by a 'bolt,F, having anut, G, which; being screwed tightly against the under side of the pack, serves, in conjunction with the strap E, to hold all theleaves in place. This strap is stcpped ofi', (1 2, 1 2,) as represented, so as to tightly fit and grasp the upturned edges, as well as the flat portions of the leaves, thus holding all equally firm. i

Springs thus constructed are both far more elastic and less bulky than those of the ordinary form.

A modification of our invention is seen in fig. 4, where a block of wood, e, isused in place of the stud e.

Although in most cases our springswill be constructed of two or more leaves, for use in light vehicles a single leaf may be made to serve a good purpose. i

We claim herein as new, and "of our invention- 1. A spring, composed of one or more leaves, which taper from mid-length endward, and the upturned margins of which likewise taper endwar'd.

2, A spring, composed of a series of nested leaves, A B Cfwhich, with their upturned margins, taper in width endward, and are secured by means of a central band or strap, substantially as. set forth,

3. The pack of flanged tapering and nested leavesA B G, in combination with the steppe'd strap e, 1 2, 1 2, bolt F, and nut G, substantially as and for the purpose set forth. v I In testimonyof which invention, we havehereunto set our hands. GEORGE WaHARRIS, GEORGE ELLIOT. I Witnesses:

Gso. HI KNIGHT, C. K. Prcunss.