Ball bearing caliper brake
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 27, 1990
Grant Date -
N/A
app pub date -
Nov 1, 1988
filing date -
Nov 1, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ball bearing brake has a spindle with a central axis. Each member of a pair of caliper members has a lever and a brake pad arm. The members are fitted on the spindle for rotation around the axis, and for limited axial movement during assembly and adjustment. Each brake pad arm carries a brake pad to be pressed against a bicycle wheel. An end member mountable to the bicycle structure includes means to engage the spindle and to compress a stack between itself and a head on the spindle. Four sets of bearing balls are formed around the spindle, respectively confined (1) by a race adjustment to the head of the spindle and one of the lever arms (2) by a race on the first lever arm and on an intermediate race member (3) by another race on the intermediate race member and on the other lever arm, and (4) between a race on the said other lever arm and a race adjacent to the end member.
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