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:
Oct. 08, 2002
Filed:
Feb. 23, 2000
Elizabeth Rees, Carlisle, Cumbria, GB;
Alan George Smithson, Wetheral, Cumbria, GB;
David Burke, Carlisle, Cumbria, GB;
Andrew John Downie, Carlisle, Cumbria, GB;
Carlo Martellini, Headsnook, Cumbria, GB;
Richard Harman, Rosemarket, Pembrokeshire, GB;
David Blackadder, Carlisle, Cumbria, GB;
Other;
Abstract
A buckle pretensioner for a vehicle safety restraint comprising a buckle head ( ) for receiving a buckle tongue to secure safety restraint webbing about a vehicle occupant in a three-point belt system; a cable ( ) connected to the buckle head ( ); and device ( ) for rapidly withdrawing the cable in a belt tightening direction, the withdrawing device ( ) comprising a force reservoir ( ), and driving mechanism ( ), and being of a compact construction through the use of set-up gearing ( ) to magnify linear movement produced by the force reservoir ( ) which may be a pyrotechnic gas generator or a spring. The driving mechanism ( ) may be a piston-cylinder ( ) or a rack and pinion. The gearing may comprise a pulley arrangement ( ). Alternatively a roots motor or a gear pump could be used.