E - Fixed Constructions – 05 – F
Patent
E - Fixed Constructions
05
F
E05F 15/16 (2006.01) F16C 1/10 (2006.01)
Patent
CA 2049836
ABSTRACT OF THE DISCLOSURE An electric-motor drive system for a bowden-cable window lifter is provided hereby. The system includes a braking spring in the form of a helical spring in the manner known from manual bowden cable window lifters. This is made possible by the inclusion on the worm wheel of an arcuate slot crossed by a tab affixed to the cable reel and extending to the other side of the worm wheel into the clearance of a ring affixed to the worm wheel. The ring and the tab are enclosed by the helical spring of which the bent-off ends each enter the gap between the tab and ring. These components (ring, tab, and spring) are combined to one side of the worm wheel, and achieve the locking of the cable mechanism - - by expanding the spring against a surrounding braking, surface - - when the mechanism is actuated in reverse by movement of the window pane. Owing to this braking mechanism it becomes possible to select the pitch of the worm and worm-wheel at the most advantageous angle irrespective of the otherwise required self- locking between the worm and worm wheel ordinarily used to stop undesired pane movement.
Kuster And Co. Gmbh
Marcus & Associates
LandOfFree
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