PRETENSIONER OF SEAT BELT FOR VEHICLE
First Claim
1. A pretensioner of a vehicle seat belt, comprising:
- a spool around which the seat belt is wound, wherein the spool includes an internal space open on an end of the spool;
a cylinder installed in the internal space to be extractable from the internal space;
a gas generator installed in a first end of the cylinder to connect the gas generator to the cylinder; and
a spool actuating module configured to connect the spool to the cylinder, and rotate the spool using gas pressure generated from the gas generator.
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed herein is a pretensioner of a vehicle seat belt. The elements of the pretensioner required to rotate a spool are disposed within the spool. Furthermore, the pretensioner includes a spool around which the seat belt is wound, wherein the spool includes an internal space open on an end of the spool. A cylinder is installed in the internal space and is extractable from the internal space. Additionally, the pretensioner includes a gas generator that is installed in a first end of the cylinder to connect the gas generator to the cylinder and a spool actuating module that is configured to connect the spool to the cylinder, and rotate the spool using gas pressure generated from the gas generator.
2 Citations
6 Claims
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1. A pretensioner of a vehicle seat belt, comprising:
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a spool around which the seat belt is wound, wherein the spool includes an internal space open on an end of the spool; a cylinder installed in the internal space to be extractable from the internal space; a gas generator installed in a first end of the cylinder to connect the gas generator to the cylinder; and a spool actuating module configured to connect the spool to the cylinder, and rotate the spool using gas pressure generated from the gas generator. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification