Patent ID: 9561835
Date: 2017-02-07
CPC Classifications: B62L

Claim:
1. A bicycle brake assembly comprising: a brake unit including first and second pivotal brake arms and a spring member, the first and second brake arms being configured to be pivotal relative to each other without being directly connected to each other, the spring member being disposed between the first and second pivotal brake arms to bias each of the first and second brake arms to a non-braking position; a fixing structure configured to operatively couple the brake unit to a brake supporting portion of a bicycle frame; and an alignment structure configured to receive a mounting bolt of the fixing structure such that the brake unit is movable relative to the alignment structure, the alignment structure configured to align the brake unit to the brake supporting portion, and one of the first and second brake arms being configured to receive the mounting bolt of the fixing structure, the alignment structure including first, second and third washers, each of the first and second washers having a partial spherical surface, the second washer arranged farther from the brake unit than the first washer, the third washer arranged farther from the brake unit than the second washer, the second washer having a mounting hole having an inner diameter larger than an outer diameter of the mounting bolt to allow radial movement of the second washer with respect to the mounting bolt, and a mounting hole of the third washer having an inner diameter smaller than the inner diameter of the second washer.