Pretensioner in a safety belt system for vehicles

Details Pretensioner in a safety belt system for vehicles Pretensioner in a safety belt system for vehicles

1992-03-19

1993-11-16

Culbreth, Eric D.

Land vehicles

Wheeled

Attachment

73514, 116203, B60R 2246

Patent

active

052616975

ABSTRACT:
A belt pretensioner in a safety belt system for vehicles is equipped with a piston/cylinder linear drive which is activatable by a pyrotechnical gas generator and which is arranged in a support housing pivotally between a rest position and a triggering position. The piston/cylinder linear drive forms a vehicle-sensitive inertial mass which is loaded by spring bias in the direction of the rest position and movable by deceleration-induced inertial forces into the triggering position. The gas generator is provided with a percussion ignitor. Mounted on the support housing is a spring-loaded striking member which has an anvil for striking against the percussion ignitor and is held in a readiness position by engagement on a holding surface of the piston/cylinder linear drive.

REFERENCES:
patent: 4955638 (1990-09-01), Kihoshita et al.
patent: 5163709 (1992-11-01), Mori

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