Window regulator for automotive vehicles
AssigneeAisin Seiki Kabushiki Kaisha
InventorsKenichi Fukura, Masatoshi Hirooka
Life of this patent
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Abstract
A window regulator for automotive vehicles which has a reciprocable wire operable to raise and lower a window along a guide rail within a door. The window regulator includes a wire driving mechanism for driving the wire according to the operation of a handle lever, and an auxiliary mechanism including a torsion spring integrated with the wire driving mechanism for assisting in raising the window and serving as a resistance to lowering the window.
Claims5
A window regulator for automotive vehicles which includes reciprocable wire means for raising and lowering a window along a guide rail within a door, comprising:
- a wire driving mechanism including a base plate fixed to a vehicle door, a casing fixed to said base plate, a core member having a handle lever fixed thereto and provided with an axial portion, a cylindrical shaft fixed to an outer periphery of said core member axial portion, and having a portion extending axially beyond said core member, and a pulley fixed to an outer periphery of said shaft and provided with a spiral groove thereon, said core member, shaft, and pulley being rotatably supported by said base plate and said casing;
- an auxiliary mechanism including a torsion spring having one end engaged with the portion of said shaft extending axially beyond said core member and the other end engaged with said casing,
- said torsion spring being wound when said shaft is turned in a direction to lower said window, and unwound when said shaft is turned in a direction to raise said window,
- whereby said torsion spring assists in raising and resists lowering said window.
Dependencies are inferred from the claim text.