US311807A

US311807A - George w

Info

Publication number: US311807A
Authority: US
Publication date: 1885-02-03
Anticipated expiration: 1902-02-03

Description

(No Model.)

1 G. W. BUNN.

VEHICLE SPRING.

No. 311,807. Patented Feb. 3,1885.

N. PETERS, Pholo-Lilhcgraphdr. Washinglon. D c.

UNITED STATES ArENT OFFICE.

GEORGE W. BUNN, OF FRENCHTOWN, NEW JERSEY.

VEHICLE- SPRING.

SPECIFICATION forming part of Letters Patent No. 311,807, dated February 3, 1885.

Applicatit n filed January 17, 1884. (X0 model 7 To all whom, it may concern:

Be it known that I, GEORGE W. BUNN, a citizen of the United States of America, residing at Frenchtown, in the county of Hunterdon, in the State of New Jersey, have invented certain new and useful Improvements in Vehicle-Springs, of which the following is a specification, reference being had to the accompanying drawings, forming a part thereof.

This invention relates to springs for sidebar vehicles.

The object of the invention is to provide a spring for this class of .vehicles combining a high degree of elasticity with cumulative strength, whereby the vehicle will ride easy under either alight or heavy load.

In the accompanying drawings, Figure l is a perspective view of this compound spring. Fig. 2 is an end View thereof, and Fig. 3 is a side view of the same.

The spring side bars, A A, are made somewhat shorter than those in ordinary use, and are preferably provided on their under sides, near their outer ends, with curved lugs Z. Metallic springs 13, attached to the under side of the side bars, and projecting beyond the same in line therewith, connect with halt-elliptic springs O O, which rest upon the hind axle and bolster,respectively. These half-elliptic springs may be of sufficient strength to support a weight of six hundred pounds. The vehicle-body is supported on cross-springs D D, which are clipped tothe side bars and supported thereby. These cross-springs are each preferably composed of a flat wooden bar or follower, D, and downwardly-inclined steel springs D the inner ends of which are attached to the follower near its center, said follower being provided with two curved lugs, f, on 1 the under side, between its center and its ends,

such a manner as to cause the vehicle to ride easy, whether it be lightly or heavily loaded.

hen these sets-of springs are of the form herein shown, the vehicle will maintain a steady carriage whether on level or inclined ground.

I am aware that each of the several parts of this compound spring has been used before in different combinations.

\Vhat I claim as my invention is 1. The combination of cross-springs adapted to receive the vehicle-body, spring side bars supporting said cross-springs, longitudinal steel springs at the ends of said side bars, and transverse half-elliptic springs connecting the longitudinal springs, substantially as described.

2. The combination of crosssprings adapted to receive the vehicle-body, each composed of steel springs, and a follower provided with curved lugs on its under side near its ends; spring side bars supporting said cross springs, and provided with curvedlugs on their under sides near their ends, transverse end springs adapted for attachment to the hind axle and bolster, respectively. and downwardly inclined longitudinal steel springs connecting said side bars with said transverse end springs, said longitudinal steel springs passing under the cnrv ed lugs of the side bars, substantially as described.

GEORGE 'W BUNN.

Vitnesses:

ALFRED M. BRINK, CHARLES WHITE.