Adjustable bottom bracket assembly for bicycles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 28, 1989
Grant Date -
N/A
app pub date -
Jun 3, 1987
filing date -
Jun 3, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An adjustable bottom bracket assembly for a bicycle comprises a body member and a wedge member, each having a circular cylindrical external surface in close fit with an internal circular cylindrical surface of a bottom bracket shell. The body and wedge members have abutting complementary planar wedge surfaces oriented obliquely to the axes of their cylindrical surfaces. A drive device, such as a screw, moves the body and wedge members axially to wedge them securely in an adjusted position in the bottom bracket shell.
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