Bearings – Rotary bearing – Antifriction bearing
Patent
1994-03-25
1995-01-24
Hannon, Thomas R.
Bearings
Rotary bearing
Antifriction bearing
384494, F16C 1949, B60B 2700
Patent
active
053837290
ABSTRACT:
A hub assembly for a bicycle includes an axle having a first end and a second end each defining an outer thread formed on a peripheral portion thereof. A hub member is rotatably mounted around the axle. A first bowl member and a second bowl member are respectively mounted in the first and second end portions of the hub member. A first cone member is threadedly engaged on the first end of the axle and has a first annular groove defined on an outer peripheral surface thereof. A first roller element is rotatably received in the first annular groove and bears against the first bowl member. A first ball bearing is rotatably mounted between the first bowl member and the first cone member. A second cone member is threadedly engaged on the second end of the axle and has a second annular groove defined on an outer peripheral surface thereof. A second roller element is rotatably received in the second annular groove and bears against the second bowl member. A second ball bearing is rotatably mounted between the second bowl member and the second cone member.
REFERENCES:
patent: 582599 (1897-05-01), Brownell
patent: 677494 (1901-07-01), Bartholomew
patent: 3858942 (1975-01-01), Humlong
patent: 5002407 (1991-03-01), Chi
patent: 5292287 (1994-03-01), Hsieh
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