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:
Mar. 18, 2003
Filed:
Oct. 16, 2001
Applicant:
Inventors:
Assignee:
Takata Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01B 2/908 ;
U.S. Cl.
CPC ...
F01B 2/908 ;
Abstract
An improved pretensioner which achieves more stable operation and reduction in power loss. The pretensioner includes a gas generator, a pipe containing a plurality of balls and a piston, and a clutch for connecting the pretensioner to a spool for a seat belt. A gas release hole is formed in the pipe in such a position that before the piston moves the hole is between the piston and the first ball and when the coupling of the clutch is completed by the movement of the accelerated balls and the hole is located between the gas generator and the piston.