Starting device and seat belt tightening apparatus

Details Starting device and seat belt tightening apparatus Starting device and seat belt tightening apparatus

1994-02-17

1995-10-17

Tyson, Karin L.

Land vehicles

Wheeled

Attachment

180282, 102272, 42 7008, 200 6145M, B60R 2246, B60R 2132

Patent

active

054583691

ABSTRACT:
A starting device (21, 121, 41) for actuating a gas generator (8) by striking a detonator (10) in response to an acceleration of a predetermined level or more. The starting device includes a firing pin (22), an inertial mass (23), an annular permanent magnet (24) and an erroneous-actuation preventing mechanism (9, 109, 42). The firing pin (22) is capable of igniting the detonator (10) by moving toward and colliding against the detonator (10). The inertial mass (23) is made of a cylindrical permanent magnet for supplying kinetic energy to the firing pin (22). The annular permanent magnet (24) has an inside diameter larger than an outside diameter of the inertial mass (23). The erroneous-actuation preventing mechanism (9,109, 42) prevents the erroneous actuation of the starting device (21, 121, 41). The erroneous-actuation preventing mechanism (9,109, 42) includes a restricting member for selectively setting the inertial mass (23) in a nonmovable state and in a movable state.

REFERENCES:
patent: 2436396 (1948-02-01), McCaslin
patent: 3171913 (1965-03-01), Kersh
patent: 4658529 (1987-04-01), Bertolini
patent: 4955638 (1990-09-01), Kinoshita et al.
patent: 5129680 (1992-07-01), Mori
patent: 5143403 (1992-09-01), Fohl
patent: 5149134 (1992-09-01), Fohl
patent: 5383388 (1995-01-01), Ono

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