Bicycle crank axle

Details Bicycle crank axle Bicycle crank axle

1995-05-16

1996-08-27

Hannon, Thomas R.

Bearings

Rotary bearing

Antifriction bearing

384540, F16C 902, B62K 1934

Patent

active

055493963

ABSTRACT:
A bicycle crank axle comprises two fitting shafts located respectively at both ends thereof. One of two fitting shafts is provided with a stopping block while another one of the two fitting shafts is provided with a threaded portion. Two fitting shafts are fitted respectively into a tapered sleeve engageable with a tapered bearing which is fastened with a tapered fixation seat. The threaded portion of the crank axle is engageable with a fastening nut by which the crank axle can be fixed with ease and precision.

REFERENCES:
patent: 637205 (1899-11-01), Heath
patent: 4358967 (1982-11-01), Kasten
patent: 4545691 (1985-10-01), Kasten et al.
patent: 4552468 (1985-11-01), Hopper, Jr.
patent: 5209581 (1993-05-01), Nagano
patent: 5303611 (1994-04-01), Chi

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