E - Fixed Constructions – 05 – F
Patent
E - Fixed Constructions
05
F
254/29
E05F 11/48 (2006.01) F16C 1/22 (2006.01)
Patent
CA 1308706
ABSTRACT OF THE DISCLOSURE A tensioning device is provided for the cable of a cable actuated window lifter mounted in a driven bracket pulled up and down along a guide rail by means of a cable wound around an actuation drum. One end of the cable is solidly joined to the driven bracket, and the other end of the cable is connected by a directional lock to a well within the driven bracket. That direction lock compensates permanent cable elongation taking place within the cable actuation system by a combination with a first spring member. The directional lock includes a cogged rack within the well within the driven bracket. A part is connected to the other end of the cable, that part being displaceable relative to the cogged rack, the part engaging the cogged rack by a cog. A first compression spring is disposed between the other end of the cable and the displaceable part to compensate, along with the directional lock, for permanent cable elongation, the first compression spring always stressing the displaceable part in the direction of cable tautening relative to the driven bracket. A second spring, which is stronger than the first compression spring, is disposed between the driven bracket and the lower end of the displaceable part.
609774
Marscholl Klaus
Medebach Thomas
Borden Ladner Gervais Llp
Kuster & Co. Gmbh
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