Powered vehicle closure system having non-linear torsion bar
AssigneeStrattec Power Access LLC
InventorsJacob Fritschle, William Champ, Howard W. Kuhlman, Greg Sproule
Life of this patent
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Abstract
A powered vehicle closure system includes a vehicle frame, a vehicle closure pivotally coupled to the vehicle frame, a torsion bar fixed to both the vehicle frame and the vehicle closure, and a torque device coupled to the torsion bar, wherein the torque device is configured to generate a non-linear torsion bar torque output as the vehicle closure pivots relative to the vehicle frame.
Claims20
A vehicle closure system comprising:
- a vehicle frame;
- a vehicle closure pivotally coupled to the vehicle frame;
- a torsion bar fixed to both the vehicle frame and the vehicle closure;
- and
- a torque device coupled to the torsion bar, wherein the torque device is configured to generate a non-linear torsion bar torque output as the vehicle closure pivots relative to the vehicle frame.
A torque device for generating a non-linear torsion bar torque output in a vehicle closure system, the torque device comprising:
- an eccentric driving gear;
- and
- an eccentric moving gear configured to be fixed to the torsion bar and configured to be driven by the eccentric driving gear.
A torque device for generating a non-linear torsion bar torque output in a vehicle closure system, the torque device comprising:
- a first, base bracket configured to be fixed to a vehicle frame;
- a second bracket configured to be fixed to a vehicle closure;
- a shaft configured to extend through both the first bracket and the second bracket, wherein the shaft includes a first, non-cylindrical head configured to be rotationally coupled to a first end of the torsion bar;
- a bushing configured to extend through the second bracket;
- and
- a sleeve configured to extend through each of the bushing, the first bracket, and the second bracket, wherein the shaft is configured to be concentric to the sleeve, but is configured to rotate in an opposite direction from the sleeve.
Dependencies are inferred from the claim text.