Bearings – Rotary bearing – Antifriction bearing
Patent
1994-12-23
1996-03-19
Footland, Lenard A.
Bearings
Rotary bearing
Antifriction bearing
F16C 1908
Patent
active
054998751
ABSTRACT:
A bicycle hub assembly includes a hollow hub body having two enlarged end portions and two bearing assemblies mounted respectively in the enlarged end portions. Each bearing assembly has an inner ring, an outer ring and bearing elements confined between the inner and outer rings. The outer ring is in tight contact with the hub body. An elongated shaft passes rotatably through the hub body and is fixed to the inner rings. The elongated shaft has two ends extending outwardly of the hub body. A hub cover is sleeved around the elongated shaft adjacent to each enlarged end portion. The hub cover includes an inner annular member sleeved around the elongated shaft adjacent to one bearing assembly and an outer annular member sleeved around the inner annular member. The outer annular member has an inner end facing one enlarged end portion and an outer end opposite to the inner end. The inner annular member has an inner end in contact with the inner ring and kept from contacting the outer ring and the one enlarged end portion, and an outer end opposite to the inner end of the inner annular member and extending outwardly of the outer end of the outer annular member.
REFERENCES:
patent: 3967856 (1976-07-01), Beauchet
patent: 4412706 (1983-11-01), Hopper
patent: 5106210 (1992-04-01), Chi
patent: 5233885 (1993-08-01), Lin et al.
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