SHIFTER FOR A BICYCLE TRANSMISSION
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United States of America Patent
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-
N/A
Issued Date -
Jun 16, 2005
app pub date -
Nov 30, 2004
filing date -
Dec 12, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A shifter for a bicycle transmission that includes a housing, a cable spool, an actuator, a locking pawl simultaneously engageable with teeth of a releasing element and a retaining element. A cable-release operation is initiated by motion of the releasing element relative to the retaining element which causes the releasing teeth to slide under the locking pawl and lift the locking pawl over a retaining tooth. A preload spring is arranged between the actuator and the cable spool to prevent play between the actuator and the cable spool and is also preloaded during the cable-release operation to assist the cable-release operation after the locking pawl is released from the retaining teeth.
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