192 clutches and power-stop control – Clutches – Velocipede free wheel
Patent
1994-06-08
1995-10-17
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Velocipede free wheel
3011105, F16D 4130
Patent
active
054582237
ABSTRACT:
A bicycle hub unit includes a hub shell with an axial bore which has a first axial end portion and a second axial end portion opposite to the first axial end portion, A cone has an externally threaded tip portion and a head portion secured to the second axial end portion of the axial bore. A sprocket carrier is supported around the cone for rotation relative thereto in only one direction. The hub shell has an annular series of internal splines formed in the second axial end portion of the axial bore, and a radial inward flange projecting from an inner peripheral surface of the hub shell. A lock nut is disposed entirely within the axial bore and has an internally threaded portion, and an end surface bearing against the flange. The nut has a length shorter than that of the axial bore. The head portion of the cone is formed with an annular series of external splines meshing with the internal splines of the hub shell, and has an externally threaded and axially extending tubular extension which extends into the axial bore via the second axial end portion and which engages the internally threaded portion of the nut.
REFERENCES:
patent: 2211548 (1940-08-01), Schwinn
patent: 4226317 (1980-10-01), Nagano et al.
patent: 4580670 (1986-04-01), Nagano
patent: 5129711 (1992-07-01), Chen
patent: 5163740 (1992-11-01), Kawai et al.
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