Air balance hoist with load position indicator
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United States of America Patent
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-
Feb 20, 1996
Grant Date -
N/A
app pub date -
Mar 21, 1994
filing date -
Mar 21, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An air balancing hoist having one or more activators providing a signal when a load reaches one or more predetermined heights. The activators each comprise spring loaded plungers mounted to be shifted from an axial location by movement of the drum spool to a predetermined axial location.
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