Roll stop for a lift
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United States of America Patent
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Oct 25, 2011
Grant Date -
N/A
app pub date -
Apr 11, 2008
filing date -
Apr 11, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A roll stop system for a lift includes a roll stop member that is movable between a raised position and a lowered position, a driving mechanism for moving the roll stop member between the raised position and the lowered position, and a spring member acting as a buffer between the driving mechanism and the roll stop member, and preferably the spring member protects the driving mechanism from damage due to abnormal operations of the roll stop member.
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