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.
Patent No.:
Date of Patent:
May. 27, 2003
Filed:
Nov. 21, 2001
Applicant:
Inventors:
Koji Hiramatsu, Shiga, JP;
Takahiro Yamanishi, Shiga, JP;
Assignee:
Takata Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60R 2/228 ;
U.S. Cl.
CPC ...
B60R 2/228 ;
Abstract
In a seat belt retractor, a torsion pipe is disposed inside an annular space between a spool and a torsion bar. One end portion of the torsion pipe is connected to pins, and the other portion engages an externally threaded shaft at a locking base to move axially relative to the externally threaded shaft. When the spool rotates relative to the locking base in the webbing withdrawal direction, the torsion bar and the torsion pipe are both twisted and deformed, so that impact energy is absorbed.