Bicycle hub having enhanced strength

Details Bicycle hub having enhanced strength Bicycle hub having enhanced strength

2006-07-24

2008-11-04

Stormer, Russell D. (Department: 3617)

Land vehicles: wheels and axles

Wheel

Hub

C192S064000, C192S11000B, C384S545000, C384S275000

Reexamination Certificate

active

07445296

ABSTRACT:
A hub for a bicycle includes a shaft, a hub body rotatably mounted on the shaft, a drive seat rotatably mounted on the shaft and engaged with the hub body, and a self-lubricating bearing mounted between the drive seat and the shaft. Thus, the self-lubricating bearing has an inner wall contacting with an outer wall of the shaft completely and an outer wall contacting with an inner wall of the drive seat completely, so that the external force applied on the self-lubricating bearing is distributed evenly and smoothly to prevent the self-lubricating bearing from being distorted or deformed due to a stress concentration, thereby enhancing the lifetime of the self-lubricating bearing.

REFERENCES:
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patent: 4717268 (1988-01-01), Orkin
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patent: 5398294 (1995-03-01), Narkon
patent: 5820270 (1998-10-01), Richardson
patent: 6260681 (2001-07-01), Chen
patent: 6827497 (2004-12-01), Chen
patent: 6907972 (2005-06-01), Chen
patent: 2007/0199788 (2007-08-01), Chen

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