Control device for motor reducer

Details Control device for motor reducer Control device for motor reducer

H - Electricity

01

H

306/300

H01H 3/42 (2006.01) E06B 9/88 (2006.01) H01H 19/18 (2006.01) E06B 9/80 (2006.01)

Patent

CA 1136184

ABSTRACT OF THE DISCLOSURE This control device for electric motor reducer intended for driving rolling shutters, roller-blinds or the like, and permitting an accidental overstepping of the electri- cal stop point without causing any damage in, or putting out of order, the control device, comprises a cam having a notch formed in its contour, adapted to be engaged by a follower portion of a lever so as to open a switch controlling the supply of drive current to the motor reducer. The notch has a rear portion inclined laterally and rearwardly which opens into an extension of the cam contour which is level with the bottom of the notch, or located at a lower level than this bottom. When the cam rotating in a given direction oversteps the normal electrical stop point the inclined portion moves the follower laterally and the lever is moved laterally along , its pivot axis against the force of spring means, but held at the same level.

350108

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