Igniter mechanism for a pyrotechnical gas generator

Details Igniter mechanism for a pyrotechnical gas generator Igniter mechanism for a pyrotechnical gas generator

1994-04-28

1995-03-07

Brown, David

Ammunition and explosives

Igniting devices and systems

Impacting devices

280734, F42C 104, B60R 2132

Patent

active

053948025

ABSTRACT:
The invention relates to an igniter mechanism for a pyrotechnical gas generator of a vehicle occupant restraining system in which either an impact member or the gas generator for actuating the belt tensioning action is pretensioned by at least one spring so that the spring loads the impact member in a first direction against a stop. In addition the spring counteracts movement of the impact member in a second direction as a result of the forces of inertia acting on acceleration of the vehicle by means of a force which grows until a center position is reached. Force conversion means are provided to convert a torque generated by said spring into an axial force applied to said impact member.

REFERENCES:
patent: 3638501 (1972-02-01), Prachar
patent: 4889068 (1989-12-01), Tabata et al.
patent: 4938140 (1990-07-01), Kinoshita et al.
patent: 5149128 (1992-09-01), Fohl
patent: 5197757 (1993-03-01), Breed et al.
patent: 5279227 (1994-01-01), Nishizawa

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