MOTOR-DRIVEN DEVICE FOR ACTUATING A MOVABLE PANEL OF A MOTOR VEHICLE
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United States of America Patent
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Issued Date -
Jul 4, 2013
app pub date -
Jul 14, 2011
filing date -
Jul 16, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a motor-driven device for actuating a movable panel (1) of a motor vehicle, including: a drive unit (3); a transmission element (5) which is to be set into motion by the motor unit (3); a braking module (7) for the transmission element (5), characterized in that the braking module (7) is connected to the transmission element (5) by a clutch module (9) positioned between the transmission element (5) and the drive unit (3), and comprising a wound spring (35) in friction contact with a brake shaft (23) connected to the braking module (7), as well as two coupling elements (25, 27) that are mutually engaged with a functional clearance therebetween, the relative change in position of said two coupling elements (25, 27) enabling the ends (37, 38) of said wound spring (35) to be controlled so as to switch the ends between an engaged position and a disengaged position of the braking module (7), wherein the two coupling elements (25, 27) are a drive element and a driven element, respectively.
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