Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B66
HOISTING; LIFTING; HAULING
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B66B
ELEVATORS; ESCALATORS OR MOVING WALKWAYS
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5/00
Applications of checking, fault-correcting, or safety devices in elevators
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B66B5/0043
Devices enhancing safety during maintenance
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B66B5/005
Safety of maintenance personnel
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B66B5/0056
by preventing crushing
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B66B5/0068
by activating the safety brakes when the elevator car exceeds a certain upper or lower position in the elevator shaft
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