Crank axle for bicycle

Details Crank axle for bicycle Crank axle for bicycle

1999-04-23

2000-08-01

Footland, Lenard A.

Bearings

Rotary bearing

Antifriction bearing

384540, 384545, 384589, F16C 1949

Patent

active

060956917

ABSTRACT:
An improved crank axle for bicycle is a hollow hub axle provided with a circle of tooth shape key slot at both ends respectively, arranged with a single roller bearing and the two parallel ball bearings and covered with an aluminum alloy cone-shaped sleeve. So that its can reduce the weight, facilitate assembling, keep axle rotation smoothly and receive loading strength well.

REFERENCES:
patent: 5813770 (1998-09-01), Chiang

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