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:
Jun. 15, 1999

Filed:

Aug. 07, 1997
Applicant:
Inventors:

Shaun Peter Ruddick, Nr. Penrith, GB;

Raymond George Evans, Carlisle, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60R / ;
U.S. Cl.
CPC ...
280806 ;
Abstract

A pretensioner for a vehicle safety restraint having a cylindrical hollow tube and a piston connected via a cable to a part of the vehicle safety restraint for tightening the safety restraint in the event of a crash. The piston having a gas generator with gas vents directed with a component in the opposite direction to that of the piston movement for belt tightening. The piston also having locks and seals, the locks being operable only against the belt loosening direction, and wherein the gas generator is positioned forward of the locking mechanism in the direction of piston movement for belt tightening. A more compact, cost effective pretensioner is possible.


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