Structure of a drum brake for bicycles

Details Structure of a drum brake for bicycles Structure of a drum brake for bicycles

1996-01-16

1997-10-07

Oberleitner, Robert J.

Brakes

Vehicle

Velocipede

188 26, B62L 500

Patent

active

056737734

ABSTRACT:
A drum brake for bicycles including a cylindrical hub having a flange at both sides and a circular recess at an end thereof, a screw rod extending through the hub and supported by a bearing arranged within the hub, brake means including a rotor and three brake blocks fitted on the screw rod and installed with the circular recess, a positioning plate provided with three guide rods adapted to be slidably engaged with respective hole of the brake blocks, an arm having a square opening receiving the square portion, a torsion spring bearing against the arm, and a cover fixedly mounted on the positioning plate, whereby the bicycle can be effectively reduced in speed or stopped in motion.

REFERENCES:
patent: 2072852 (1937-03-01), Batten et al.
patent: 5535855 (1996-07-01), Hanada

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