Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – With rotatable – cable contacting – pulley wheel element...
Patent
1993-07-20
1994-09-20
Matecki, Katherine
Implements or apparatus for applying pushing or pulling force
Apparatus for hauling or hoisting load, including driven...
With rotatable, cable contacting, pulley wheel element...
5 811, 254273, 254277, B66F 1100, B66F 1700
Patent
active
053482735
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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patent: 4838492 (1989-06-01), Berry
Persson Bo G.
Sandell Anders L.
Sonesson Leif B.
Arjo Hospital Equipment AB
Matecki Katherine
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