Tensioning device for seatbelts with an olive-shaped piston

Details Tensioning device for seatbelts with an olive-shaped piston Tensioning device for seatbelts with an olive-shaped piston

2006-10-10

2010-06-29

Dickson, Paul N (Department: 3616)

Land vehicles

Wheeled

Attachment

C297S479000

Reexamination Certificate

active

07744126

ABSTRACT:
A tensioning device for a seatbelt system in motor vehicles with a driving arrangement that comprises a tube having at least one tube section bent with a radius of curvature, and a piston guided movably in said tube, whereby the piston is connected via a driving cable to the part of the seatbelt system which carries out the tensioning movement, and whereby the piston can be moved in a longitudinal movement through the tube by means of a pyrotechnic drive, and the driving cable is fixed to the piston by means of a holding part held by the piston. The piston (14) is configured in the form of an olive with a larger radius in the longitudinal direction of the tube (10) than the effective radius in the transverse direction of the tube (10) and is provided with a bore (15) for passing through the driving cable (20) that is held in a compression sleeve (16) fixed on the side of the piston (14) that points in the direction of movement of the piston (14).

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