Safety device for an electric glass-winder of a vehicle of...

Details Safety device for an electric glass-winder of a vehicle of... Safety device for an electric glass-winder of a vehicle of...

B - Operations, Transporting

60

J

B60J 1/16 (2006.01) E05F 11/48 (2006.01) E05F 15/00 (2006.01) E05F 15/16 (2006.01) E05F 11/42 (2006.01)

Patent

CA 2097771

ABSTRACT The rail is movably mounted in such manner as to be capable of being driven downwardly in vertical translation by the cable in the event of detection of a force on the glass which exceeds a predetermined value and opposes the travel of the glass, The safety device comprises means (9) for maintaining the rail (6) in a given position so long as the force exerted on the glass remains lower than this predetermined value, and electromechanical means (14, 15 ...) for detecting the force exerted on the glass and permitting automatically reversing the direction of rotation of the motor if this force exceeds the predetermined value. The rail (6) may be maintained in the upper position by for example a magnet (11) which attracts a tab (13) of ferromagnetic material fixed to the rail (6), a switch (14) of an electric control circuit for the motor driving the cable cooperating with the rail (6) and being capable of assuming two successive states respectively corresponding to the upper position and possible lower position of the glass depending on the value of the force opposing the upward travel of the glass. This electromechanical safety device is simple to manufacture and cheap.

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