Hub drive for bicycle speedometer
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United States of America Patent
Stats
-
Jul 15, 1980
Grant Date -
N/A
app pub date -
Nov 17, 1978
filing date -
Nov 17, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A speedometer drive for a bi/cycle or exercising/cycle that includes a circular plate rotatable with the front wheel having an annular array of apertures that drives an intermediate plastic idler gear and also axially positions the gear to eliminate the requirement for any thrust rings to position the gear. The intermediate idler gear drives a one-piece plastic out-put gear and coupler. The output gear has a flange that slidably engages a thrust surface on the intermediate idler gear to axial position the output gear so that the output gear does not require any thrust rings either.
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