Brakes – Vehicle – Velocipede
Patent
1976-07-08
1977-10-25
Halvosa, George E. A.
Brakes
Vehicle
Velocipede
188 722, 188 731, B62L 112
Patent
active
040552357
ABSTRACT:
A bicycle brake device for increasing the braking power to be applied to the wheel of a bicycle which has caliper type brake arms mounted on the seat stay bridge by a bolt about which the caliper arms are pivotally movable. A cage is mounted on the ends of the caliper arms and has an open end and a closed end. A brake shoe is slidably carried for axial movement in the cage through the open end and has a front end and a rear end oriented with the open and closed end respectively of the cage. A brake block is carried in the brake shoe and has a surface for engaging the rim to apply friction forces for braking action. A cam is mounted at the front end of the brake shoe for engaging the seat stay upon forward sliding movement of the brake shoe in the cage as a result of friction forces between the brake block and the rim when the block engages the rim. A threaded bolt projects from the rear end of the brake shoe and protrudes through an opening in the closed end of the cage, a spring being coiled about the protruding bolt for returning the brake shoe to its initial position after the cam has engaged the seat stay.
REFERENCES:
patent: 3860094 (1975-01-01), Breton
patent: 3869024 (1975-03-01), Hauth et al.
Ogisu Noriyuki
Tanaka Hiroshi
Urakawa Akira
Halvosa George E. A.
Nichibei Fuji Cycle Co., Ltd.
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