Lift and method of monitoring this lift

Details Lift and method of monitoring this lift Lift and method of monitoring this lift

B - Operations, Transporting

66

B

B66B 5/02 (2006.01)

Patent

CA 2619238

In this drive unit (9) at least one monitoring device (28) for monitoring unallowed raising of the lift cage is provided. The drive unit (9) consists of a motor unit (14) and a deflecting unit (17). If the counterweight supported by the deflecting unit (17), for example, rests on the shaft pit buffer the deflecting unit (17) is unloaded and raised by means of the spring element (22) of the monitoring device (28). A sensor (29) of the monitoring device (28) detects the movement of the deflecting unit (17) and switches off the motor (30) of the motor unit (14) via safety circuit.

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