Bearing unit for a bottom bracket bearing of a bicycle or the li

Details Bearing unit for a bottom bracket bearing of a bicycle or the li Bearing unit for a bottom bracket bearing of a bicycle or the li

1990-12-04

1992-06-02

Hannon, Thomas R.

Bearings

Rotary bearing

Antifriction bearing

384492, 384512, 384545, F16C 902, F16C 1908

Patent

active

051182050

ABSTRACT:
A bottom bracket bearing unit for a bicycle or the like has an installation unit formed by a long sleeve and short sleeve of synthetic resin formed directly with race grooves for a pair of double bearings which have steel balls riding between the grooves of the sleeves and the grooves of the pedal-crnak axle or shaft which is received in these sleeves.

REFERENCES:
patent: 3105725 (1963-10-01), Biesecker
patent: 3224821 (1965-12-01), Barr
patent: 4606655 (1986-08-01), Hofman
patent: 4606657 (1986-08-01), Tanaka
patent: 4606658 (1986-08-01), Hofmann et al.
patent: 4611933 (1986-09-01), Hofmann et al.
patent: 4651590 (1987-03-01), Thun

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