Control apparatus and control method for a storable patient lift and transfer device
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United States of America Patent
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-
Dec 23, 2003
Grant Date -
Nov 13, 2003
app pub date -
May 8, 2002
filing date -
May 8, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A computerized controller that limits the movement of a patient lifting device, wherein the controller is operated in a normal mode to sense the lateral rotation of a lifting arm that lifts patients and the linear displacement of extendable support legs for said lifting device and the angular diversion of said support legs. The controller inhibits movement of said lateral rotation of a lifting arm in response to the linear displacement and the angular diversion of the support legs to prevent tipping the lifting device. The same controller may be operated in a bypass mode to override the normal mode wherein the patient lifting device may be operated during a setup and breakdown operation to permit construction and disassembly of the patient lifting device.
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