Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B66
HOISTING; LIFTING; HAULING
Load children
B66B
ELEVATORS; ESCALATORS OR MOVING WALKWAYS
Load children
1/00
Control systems of elevators in general
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B66B1/24
Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
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B66B1/32
effective on braking devices; , e.g. acting on electrically controlled brakes
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