Manual hoisting and pulling apparatus
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United States of America Patent
Stats
-
Dec 13, 1983
Grant Date -
N/A
app pub date -
Oct 13, 1981
filing date -
Oct 21, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hand hoist or pulling apparatus including a drive clutch assembly, and a drive shaft and transmission gears associated with the assembly for pulling a chain on a load sheave by oscillating a lever. A holding member and a stop lever for preventing the member from movement are provided to hold a pinion on one end of the drive shaft in meshing engagement with the transmission gears and also to hold the pinion disengaged therefrom when the drive shaft is shifted. The holding member is held stationary against rotation, mounted on the clutch assembly and restrained from axial movement by the stop lever which is biased by a spring and pivotally mounted on a side plate.
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