US173163A

US173163A - Improvement in banding wheel-hubs

Info

Publication number: US173163A
Authority: US
Publication date: 1876-02-08
Anticipated expiration: 1893-02-08

Description

W. CHRIS.-

BANDING WHEEL-HUBS.

Patented Feb. 8, 1876.

N. PETERS, FNOTD-LITKOGRAPHER, WASHINGTON D C UNITED ST TES 1 PATENT OFFICE.

WILLIAM OORRIS, OF ROCHESTER, NEW YORK.

IMPROVEMENT IN BANDlNGlNHEEL-HUBSU" Specification forming part of Letters Patent No. 173,163, dated February 8, 1876; application filed September 6, 1875.

To all whom it may concern:

Be it known that I, WILLIAM (loans, of the city of Rochester, in thecounty of Monroe and State of New York, have invented a certain new and Improved Process of Applying Bands on Hubsy and I do hereby declare that the following is a full,"clear, and exact inner periphery, fitting in acorrespondiug concave groove of the hub. This form is most effective, but much difficulty has been experienced in applying it ,'the method in use being to slip it over the groove and force it into the groove by compression around the band. It has been found that this upsets and breaks thegrain of the iron, and in thin bands, such as it is necessary to use,.many of the bands are cracked and filled with flaws, which are'not discovered till'the band breaks 7 in use. It is also diflicult to so compress the band as to make a true fit, and they are frequently loose and present a bad appearance.- To obviate these diffieulties I prepare and apply the bands as follows:

The hub is turned with the usual grooves, a, a. The bands are also formed with the usual inner surfaces, b b, to fit the grooves. The bands are now placed in a steam-chamber and subjected to boiler heat a sufficient length of time to become thoroughly heated,

in which condition they expand to considerable extent. The hub is also placed in a steamchambcr, preferably of low temperature, and allowed to remaiubut a short time, just sufficient to allow the outer surface of the hub to become softened, but not long enough to appreciably expand the wood, as would be the case if thoroughly soaked.- This softens the shoulder 0, over which the band must slip, so that the same will yield sufiiciently tov allow the heated band to pass. I When the band is in place it is allowed to cool gradually, and

The inner periphery of the bandis made threethirteen ths of an inch smaller than the smallest diameter of the groove, so as to compress with great force upon the hub when it shrinks and by my process, as above described, I found no difficulty in slipping the band over the hub, notwithstanding the considerable difi'erence in size. I have found by experi: meut that fire heat will not answer for heating. the band, not only for the reason that it injures the grain of the iron. in the thin band used, but for the further reason that it burns the groove deeper in the wood, thereby pre-; venting a close fit, and also throwing the band out of round. v

By the process above described I am enabled to apply bands to hubs in an expeditions and perfect m'anner, and avoid the dimculties that have heretofore been experienced.

Ido not claim, broadly, a band with a convex interior, fitting in a corresponding groove of the hub; but 5 I claimv The processor method herein described of securing bands on hubs, consisting in subjecting the band to steam heat at boiler temperature, and applying the same over the hub steamed sufficiently to soften the surface without expanding it, as herein specified.

In witnesswhereof I have hereunto signed my name in the presence of two subscribing witnesses. w WILLIAM OORRIS.

Y Witnesses: t

R. F. OSGOOD, 1 E. B. Seorr.