The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 08, 2008

Filed:

Apr. 16, 2004
Applicant:

Koji Hiramatsu, Shiga-ken, JP;

Inventor:

Koji Hiramatsu, Shiga-ken, JP;

Assignee:

Takata Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60R 22/28 (2006.01); B60R 22/36 (2006.01); B60R 22/46 (2006.01);
U.S. Cl.
CPC ...
Abstract

A seat belt retractor includes a spool for winding a seat belt; a lock mechanism having a locking member for rotation with the spool in a normal state and for stop-rotation in a seat belt withdrawal direction in an emergency state; a torsion bar disposed between the spool and the locking member for absorbing energy of a passenger when the spool rotates in the seat belt withdrawal direction relative to the locking member in the emergency state; a stopper screwed in a shaft of the locking member to be movable in an axial direction along the shaft of the locking member when the spool rotates relative to the locking member; and an energy-absorption member disposed on one of the stopper and the locking member for deforming in a shear mode when the stopper moves in the axial direction along the shaft of the locking member.


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