Bearing assembly for bicycle parts

Details Bearing assembly for bicycle parts Bearing assembly for bicycle parts

1998-07-01

1999-11-16

Hannon, Thomas R.

Bearings

Rotary bearing

Antifriction bearing

384458, 384513, F16C 1908

Patent

active

059845287

ABSTRACT:
A bicycle bearing assembly has a spindle rotatably coupled within an outer tubular member via bearing members. The spindle preferably has a pair of annular grooves, which are formed in its outer surface by cold rolling the spindle. Similarly, the tubular outer member is cold rolled to form a pair of corresponding annular grooves in its internal surface. The cold rolling process of forming the tubular outer member results in its external surface also deformed to create a similar corresponding profile to the internal surface. This cold rolling creates a very smooth bearing surface for the bearing members. In one embodiment, the bicycle bearing assembly is a bottom bracket for a bicycle. In other embodiments, the bicycle bearing assembly is a hub for a wheel bicycle. The hub can be either a front hub or a rear hub.

REFERENCES:
patent: 628791 (1899-07-01), Germaine
patent: 2146663 (1939-02-01), Vaughn
patent: 4150859 (1979-04-01), Segawa et al.
patent: 5181437 (1993-01-01), Chi
patent: 5193916 (1993-03-01), Andersson
patent: 5209581 (1993-05-01), Nagano
patent: 5473962 (1995-12-01), Yamamoto

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