Bottom bracket assembly

Details Bottom bracket assembly Bottom bracket assembly

1995-02-14

1996-04-23

Footland, Lenard A.

Bearings

Rotary bearing

Antifriction bearing

384545, F16C 1908

Patent

active

055097391

ABSTRACT:
A bottom bracket assembly includes a bottom bracket, a first bowl member having an outer threaded portion for engagement in an inner threaded portion of the bottom bracket, a flange portion formed on a distal end of the first bowl member, a second bowl member having an outer threaded portion for engagement in an inner threaded portion of the bottom bracket, a tube fixedly mounted in the bottom bracket and including a first end having an outer threaded portion for engagement in an inner threaded portion of the first bowl member and a second end having a tapered surface for urging on a tapered surface of the second bowl member, a second flange portion formed on the first end of the tube for abutting against the flange portion of the first bowl member, an axle rotatably mounted in the tube, a first ball bearing rotatably mounted between an annular recess of the first bowl member and an annular recess of the axle, and a second ball bearing rotatably mounted between an annular recess of the tube and an annular recess of the axle.

REFERENCES:
patent: 3578829 (1971-05-01), Hata
patent: 4807491 (1989-02-01), Stuckenbrok
patent: 4961654 (1990-10-01), Pangburn et al.
patent: 5118205 (1992-06-01), Hoffmann

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