Force limiter for a seat belt restraint system
First Claim
1. A force limiter for a vehicular seat belt restraint system, comprising a frame, a drum with two axial ends rotatably mounted in said frame for winding up a belt webbing, a blocking disk coupled to said drum, and a blocking mechanism for selectively locking said blocking disk to said frame in a non-rotatable arrangement, wherein said blocking disk is axially held at one of said axial ends of said drum and is coupled to said drum by at least two torsion elements, said torsion elements being anchored to an opposite one of said axial ends of said drum.
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Accused Products
Abstract
A force limiter for a vehicular seat belt restraint system comprises a frame, a drum rotatably mounted in said frame for winding up a belt webbing, a blocking disk coupled to the drum, and a blocking mechanism for selectively locking said blocking disk to the frame in a non-rotatable arrangement. The blocking disk is axially held at one axial end of the drum and is coupled to the drum by at least two torsion elements anchored to the opposite end of the drum.
30 Citations
8 Claims
- 1. A force limiter for a vehicular seat belt restraint system, comprising a frame, a drum with two axial ends rotatably mounted in said frame for winding up a belt webbing, a blocking disk coupled to said drum, and a blocking mechanism for selectively locking said blocking disk to said frame in a non-rotatable arrangement, wherein said blocking disk is axially held at one of said axial ends of said drum and is coupled to said drum by at least two torsion elements, said torsion elements being anchored to an opposite one of said axial ends of said drum.
Specification