Load limiting seatbelt retractor
First Claim
Patent Images
1. A seatbelt retractor comprising:
- a base;
a spool rotatably coupled to the base and including a piston portion and a smaller initialization piston extending therefrom;
a cylinder engaged with the piston portion and therewith defining a main chamber;
a sleeve within the cylinder receiving the initialization piston and therewith defining an initialization chamber;
a cylinder lock in a first condition rotatably fixing the cylinder to the base; and
a damping fluid in the chambers.
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Accused Products
Abstract
A seatbelt retractor includes a base, a spool, a cylinder, a sleeve and a cylinder lock. The spool is rotatably coupled to the base and has a piston portion. A smaller initialization piston extends from the piston portion. The cylinder is engaged with the piston portion and therewith defines a first chamber. The sleeve is within the cylinder and receives the initialization piston. The sleeve and the initialization piston define an initialization chamber. The cylinder lock in a first condition rotatably fixes the cylinder to the base. Damping fluid is disposed in the chamber.
14 Citations
20 Claims
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1. A seatbelt retractor comprising:
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a base; a spool rotatably coupled to the base and including a piston portion and a smaller initialization piston extending therefrom; a cylinder engaged with the piston portion and therewith defining a main chamber; a sleeve within the cylinder receiving the initialization piston and therewith defining an initialization chamber; a cylinder lock in a first condition rotatably fixing the cylinder to the base; and a damping fluid in the chambers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification