FIELD: transport.
SUBSTANCE: device contains first gearmotor (1), transmitting rotation to outer shaft of feeding unit (3) of lift cabin in emergency situation when lift is stuck between floors. Gearmotor (1) via cable (33) is connected with second direct current gearmotor (18) installed in control box and when rotating it works as generator supplying electric current to first gearmotor (1). Hand crank lever (43) initiating said rotation is attached to second gearmotor (18). To avoid power back flow device is supplied with clutch or microswitches retarding first gearmotor (1) when crank lever starts rotating owing to this back flow.
EFFECT: serviceability increase.
9 cl, 7 dwg
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Authors
Dates
2008-12-20—Published
2004-07-05—Filed