Wire-driving device for window regulator

Claim 1

A wire-driving device for a window regulator comprising: (a) a housing; (b) a worm wheel mounted for rotational movement within said housing; (c) a worm meshing with said worm wheel; (d) an electric motor for driving said worm, having rotational axis arranged on a center plane of said worm wheel; said center plane being perpendicular to the rotational axis of said worm wheel; (e) a first pulley arranged concentrically at one side surface of said worm wheel; (f) a second pulley arranged concentrically at another side surface of said worm wheel; (g) a first means for transmitting torque from said worm wheel to said first pulley comprising a cylindrical shock absorber having an axial center hall, one end portion connected to said worm wheel and the other end portion connected to said first pulley; (h) a second means for transmitting torque from said worm wheel to said second pulley comprising said shock absorber in common and a shaft inserted into said axial center hall of said shock absorber; said shaft having end portions connected to said one end portion of said shock absorber and to said second pulley respectively; (i) a first wire having one end fastened to said first pulley and wound around said first pulley; and (j) a second wire having one end fastened to said second pulley and wound around said second pulley in the opposite direction with respect to said first wire.