Lifting appliance, especially for a patient lifting device
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United States of America Patent
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-
Sep 20, 1994
Issued Date -
N/A
app pub date -
Jul 20, 1993
filing date -
Oct 17, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A lifting appliance, especially for a patient lifting device, comprises a telescopic column (10) having a carriage (22) which is reciprocable in the longitudinal direction of the column under the action of the telescopic extension and retraction motions of the column. The appliance comprises safety means (37) which are adapted to stop the telescopic motions of the column, in case of defects in the power transmission between a driving motor (15) producing the telescopic motions of the column, and the carriage (22), or if the carriage (22) or a lifting means connected therewith should be stopped by some object in its downward motion.
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