LIFTING OR LOCKING SYSTEM AND METHOD
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United States of America Patent
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N/A
Issued Date -
Feb 21, 2013
app pub date -
Aug 16, 2012
filing date -
Aug 19, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A lifting mechanism or locking mechanism includes a housing, an axle attached to the housing, and an element including a cam surface mounted for rotation on the axle. The distance between the cam surface and the housing changes between a maximum clearance distance and a minimum clearance distance as the element rotates about the axle. The lifting mechanism also includes a line which can be moved between a first position over the cam surface and a second position.
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