Seat belt pretensioner

Details Seat belt pretensioner Seat belt pretensioner

2008-08-11

2009-06-02

Nguyen, John Q. (Department: 3616)

Land vehicles

Wheeled

Attachment

C297S470000

Reexamination Certificate

active

07540537

ABSTRACT:
A pretensioning apparatus for seat belt webbing is located in the vicinity of a belt anchor end of a three-point vehicle safety restraint seat belt. The pretensioning apparatus has a fixed member in the form of a tubular member that may be anchored to a vehicle seat at the belt anchor side of the vehicle. A movable member in the form of a piston is connected to the webbing in the region of the belt anchor end. A means is provided for moving the movable member relative to the fixed member in a generally horizontal direction, to move the seat belt webbing in a pretensioning direction in response to a signal from a crash sensor. A webbing guide is fixed to the seat to provide an effective anchorage point spaced from the belt anchor end of the webbing under pretensioning conditions.

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EEC directive 76/115 of Dec. 18, 1975 on the approximation of the laws of the Member States relating to anchorages for motor-vehicle safety belts, cited in European Search Report for priority application.
EEC directive 76/115 of Dec. 18, 1975 on the approximation of the laws of the Member States relating to anchorages for motor-vehicle safety belts.

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