Starting device for air bag

Details Starting device for air bag Starting device for air bag

1993-10-27

1995-03-21

Focarino, Margaret A.

Land vehicles

Wheeled

Attachment

200 6145R, B60R 2132

Patent

active

053989643

ABSTRACT:
A starting device for an air bag includes a mass body, a drive shaft and an ignition pin. The mass body detects a rapid deceleration of a vehicle by inertial movement of the mass body. An end portion of the mass body in the direction of inertial movement contacts a vicinity of one end portion of the drive shaft in a longitudinal direction thereof. The drive shaft is urged by an urging member and holds the mass body at a predetermined position due to urging force of the urging member. The drive shaft has an engaging member at a portion of the drive shaft in the longitudinal direction thereof, and is provided so as to be rotatable around the engaging member by the inertial movement of the mass body. The ignition pin includes a shaft member and a stepped collar member, the stepped collar member being formed at a portion of the shaft member in the longitudinal direction thereof. A relief portion is formed at the stepped collar member at a position corresponding to an abutting portion of the stepped collar member so as to prevent a tip end portion of the engaging member from abutting the abutting portion.

REFERENCES:
patent: 5217252 (1993-06-01), Kawaguchi et al.

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