Rotary feed mechanism for driving a shaft in response to turn of a lever
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 9, 2004
Grant Date -
Jul 4, 2002
app pub date -
Dec 21, 2001
filing date -
Dec 26, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotary feed mechanism includes a ratcheting mechanism intervening between an operating lever and a brake drum and operable to permit rotation of an input shaft only when the operating lever is angularly moved from the neutral position in any one of the first and second directions, but to lock the input shaft during angular movement of the operating shaft back to the neutral position. The ratcheting mechanism includes a lock gear having gear teeth and mounted on the input shaft for rotation together therewith, an indexing plate movable angularly between an engaged position, in which the indexing plate is engaged with some of the gear teeth of the lock gear, and a disengaged position, in which the indexing plate is disengaged from some of the gear teeth of the lock gear, about an axis lying substantially perpendicular to a longitudinal axis of the input shaft, and a release mechanism carried by the brake drum for releasing the indexing plate from the engaged position to allow the operating lever to be returned to the neutral position.
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