Bicycle brake device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 15, 1994
Grant Date -
N/A
app pub date -
Jun 15, 1993
filing date -
Jun 15, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bicycle brake device includes a curved brake arm that is formed with an elongated slot, an annular retaining seat that has a front end which is formed with a pair of diametrically opposite retaining notches, an annular support seat that has a rear uneven friction face which abuts against one side of the brake arm, a spring unit that is disposed in the support seat to bias the support seat away from the retaining seat, a washer that is provided with an uneven friction face which abuts against an opposite side of the brake arm, and a bolt that has a spherical head and a threaded shank. The threaded shank extends through the retaining seat, the spring unit, the support seat, the elongated slot of the brake arm and the washer. A portion of the spherical head extends into the retaining seat. A brake block has a front face which is provided with a brake pad and a rear face which is provided with a shaft projection that is connected removably to the spherical head and that engages the retaining notches of the retaining seat. A nut engages a distal end of the threaded shank and is rotated relative to the threaded shank so as to retain the spring unit in a compressed state and permit knurled end surfaces of the retaining seat and the support seat to engage one another.
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