Releasable drive mechanism
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 25, 1997
Grant Date -
N/A
app pub date -
Aug 30, 1994
filing date -
Aug 30, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A releasable drive mechanism is provided, having a sprocket and gear rotatable about a central axis, the gear being rotatably secured to a shaft extending along the central axis. The sprocket and the gear are each configured to provide a coplanar portion extending parallel with the central axis that interfaces the surface of the other. A clutch engageable with the sprocket and the gear is provided, having projections or keys being positionable between the interfacing surfaces for releasably coupling the sprocket and the gear for joint rotation. A lever is provided for disengaging the clutch and the clutch may be biased to facilitate engagement of the clutch. A clip may also be provided to prevent lateral movement of the sprocket on the shaft when the clutch is disengaged.
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