Winch for safely lowering a person at a controlled rate
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United States of America Patent
Stats
-
Jan 15, 1985
Grant Date -
N/A
app pub date -
Mar 14, 1983
filing date -
Mar 14, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A winch for use in safely lowering a person from an elevated position comprising a cylindrical casing, a rotatable shaft mounted on a pair of bearings located in the casing, a spool affixed to the shaft, a cam plate affixed to the shaft, a brake disc affixed to the shaft, a first gear affixed to the shaft, an air pump having a piston rod activated by the cam plate, a disc brake assembly activated by the air pump, a cable wound upon the spool, a centrifugally operated clutch mounted on the casing including a second gear meshed with the first gear, and means including a crank attached to one end of the shaft for rewinding the cable onto the spool.
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