Combination of crank and axle in bottom bracket

Details Combination of crank and axle in bottom bracket Combination of crank and axle in bottom bracket

2005-05-31

2005-05-31

Jules, Frantz F. (Department: 3617)

Land vehicles: wheels and axles

Axle

With distinct handle to effect mounting on cycle-type vehicle

C280S259000, C074S594100

Reexamination Certificate

active

06899402

ABSTRACT:
A crank includes a through hole defined in a first end thereof for receiving one of two ends of an axle in the bottom bracket, and a threaded hole defined in a second end of the crank so as to be connected with a pedal. A passage is defined through the crank and communicates with the through hole. A positioning assembly is received in the passage and includes two tubular members which are pulled toward each other by a bolt threadedly extending through the two tubular members. A concave surface is defined in each of the two tubular members so that the axle is pressed in position by the concave surfaces of the two tubular members.

REFERENCES:
patent: 626227 (1899-06-01), Gaylor
patent: 3789696 (1974-02-01), Beam, III
patent: 4150859 (1979-04-01), Segawa et al.
patent: 4171882 (1979-10-01), Johnson, III et al.
patent: 4630503 (1986-12-01), Liu
patent: 6003889 (1999-12-01), Shalom
patent: 6755095 (2004-06-01), Yamanaka

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