Brakes – Vehicle – Velocipede
Patent
1976-12-02
1977-12-27
Halvosa, George E. A.
Brakes
Vehicle
Velocipede
74519, 188 27, B62L 300
Patent
active
040649725
ABSTRACT:
A caliper brake for a bicycle comprising left and right caliper arms rotatably fitted to a pivot shaft and having at their ends brake shoes adapted to be urged against a rim of a wheel of the bicycle, a rocking arm having a base portion pivotally mounted to a frame of the bicycle between the caliper arms on the pivot shaft in a semi-fixed condition, and the rocking arm having at its end a through-hole, opposite to which the left and right caliper arms have bottomed holes, respectively, and a universal joint lever having at its middle portion a middle protrusive ball portion and at both its ends end protrusive ball portions, respectively, the middle protrusive ball portion fitting in the through-hole of the rocking arm, those end protrusive ball portions fitting in the bottomed holes of the left and right caliper arms, respectively, whereby the extent of the free gaps between the left and right brake shoes and the rim are maintained substantially equal. Even if the free gaps become unequal, the normal condition having equal gaps can be automatically restored by subsequent braking operation.
REFERENCES:
patent: 3486586 (1969-12-01), Grier, Jr.
patent: 3628635 (1971-12-01), Yoshigai
Ohtani Kiyoshi
Takamiya Kikuzo
Bridgestone Cycle Co. Ltd.
Butler Douglas C.
Halvosa George E. A.
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