US47723A

US47723A - Improvement in railroad-car axles

Info

Publication number: US47723A
Authority: US
Publication date: 1865-05-16
Anticipated expiration: 1882-05-16

Description

C. P, HEWETT.:

Car Axe.

Patented May 16, 18.65.

C. P. HEWETT.;

Car Axle.

Patented May 16, 1865.

UNITED STATES PATENT OFFICE.

c. r. HEWETT, oF KINGSTON, WIsooNs IN.

Specification forming part of Letters Patent No. 47,723, dated May 16, 1865.

To all whom it may concern:

Be itknown that I, G. P. HEWETT, of Kingston, in the county of Greer. Lake and State ot Visconsin, have invented anew and Improved Axle for Railroad-Gars and Ldo hereby declare that the following is a full, clear, and exact description thereof,which will enable others skilled in the art to make and use the saine, reference being had to the accompanying drawings, forming part of this specitcation, in which- Figure l represents a longitudinal section ot' my invention, taken in the line m, Fig. 2; Fig. 2, atrausverse section ot1 the same, taken in the line y y, Fig. 1.

Similar letters of reference indicate like parts. Y

The object of this invention is to obviate friction in the running of cars over curves and over imperfect tracks.

The invention consists in constructing the axle ot' two separate or distinct parts, connected by a sleeve in such a manner that one pirt of the axle with its wheel nia-y rotate Independently of the other.

A A represent the two'parts of the axle, each having a wheel attached. The parts A A are turned down at their inner ends to form a journal, a, and a shoulder, b, each journal having a groove, c, made circumferentially in it near its end.

B represents a sleeve into which the journals a a of the two parts A A of the axle are tted, the shoulders b abutting against the ends of B. The journals a are secured in the sleeve by means of pins d, which pass transversely through the sleeve and tit in the grooves c, the pins being retained therein by setscrews e, as shown in both figures. A hole is made in the sleeve with a screw or plug, f, lttedin it. rPhe journals a are lubricated by pouring oil through this hole. A small space may be allowed between the ends of the journals a a to serve as a reservoir for oil. 'llhe grooves c c will also answer for that purpose; or, if necessary, grooves may be made in the inner side ot' the sleeve to retain oil. By this arrangement it will be seen that each part A, with its wh eel attached, will be allowed to turn independently of the other, and hence no additional friction will be produced when the car is passing over curves, as there will be no slip or drag of either wheel, the wheel passing over the greatest surface in a given time being allowed to rota-te proportionably faster than the other. This independent turning of the wheels is also important where a track is imperfectly laid. as the jars or concussions to which one wheel may be subjected are not transmitted to the other. The axle therefore will not be liable to be injured or strained, as is now frequently the case, and the journals ot' the axle will be preserved from much wear and tear.

I claim as new and desire to secure by Letters Patent- The combination of the axles AA, with their circumferential grooves c c, the sleeve B, the pins d d, with their set-screws e e, and the lubricating-oritice fsubstantially as described and represented.

. C. P. HEWETT. Witnesses:

FRANKLIN Goss, A. P. HEWETT.