Cable tensioner

Details Cable tensioner Cable tensioner

2005-04-25

2009-06-02

Redman, Jerry (Department: 3634)

Movable or removable closures

With operator for movably mounted closure

Drive within closure housing

Reexamination Certificate

active

07540114

ABSTRACT:
A cable tensioner includes two cams mounted to face each other that pivot about a common spindle. A torsion spring is centered on the spindle. The torsion spring includes a first end in abutment with a first cam and a second end in abutment with a second cam. The torsion spring applies a torque onto each of the cams to reduce an angular distance between the cams when a cable exhibits insufficient tension. The cable tensioner is placed in a window regulator mechanism to simultaneously tension a lower cable and an upper cable of the device. Furthermore, the tension of one cable through the cable tensioner is reversible since the tension of each cable is balanced with the tension of the other cable.

REFERENCES:
patent: 4235046 (1980-11-01), Hess et al.
patent: 5623785 (1997-04-01), Mariel
patent: 5778600 (1998-07-01), Chu
patent: 6038817 (2000-03-01), Scheck et al.
patent: 197 06 866 (1998-09-01), None
patent: 0 244 303 (1987-04-01), None
patent: 716457 (1954-10-01), None
French Search Report dated Jan. 31, 2005.

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