Control and drive arrangement for movable members

Details Control and drive arrangement for movable members Control and drive arrangement for movable members

G - Physics

05

D

341/107, 342/15

G05D 3/20 (2006.01) E05F 15/14 (2006.01) E05F 15/20 (2006.01) H02H 7/085 (2006.01) H02H 7/093 (2006.01)

Patent

CA 1276709

ABSTRACT A sliding door or the the (10) driven by a motor (16) is controlled by the use of a motion detector (25) coupled with the door. Pulses from the motion detector are counted by control circuitry and the drive mechanism incorporates a slipping clutch device. Self-commissioning operation is achieved by providing that the drive motor is deenergized if the door is obstructed in its movement if it is beyond a predetermined distance from its fully open or fully closed position.

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