Trigger device

Details Trigger device Trigger device

1995-03-22

1996-10-15

Hurley, Kevin

Land vehicles

Wheeled

Attachment

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

Patent

active

055647472

ABSTRACT:
Accommodated within a trigger casing are a firing pin arranged movably toward a detonator, an inertia body formed of a permanent magnet and defining along a central axis thereof a through-hole through which the pin extends freely, and a cylindrical permanent magnet having an inner diameter greater than an outer diameter of the body. A ring-shaped non-magnetic weight is also accommodated within the casing in such a way that the weight is arranged on a side opposite to the detonator with the body located between them. When a deceleration or acceleration of at least a predetermined value occurs, the body and the weight together move toward the detonator against magnetic repulsion between the magnet and the body. The inertia body then moves toward the detonator through an opening of a cylindrical permanent magnet under magnetic attraction between the magnet and the body, thereby causing the firing pin to move toward the detonator.

REFERENCES:
patent: 2436396 (1948-02-01), McCaslin
patent: 3171913 (1965-03-01), Kersh
patent: 3879054 (1975-04-01), Lindblad
patent: 4161228 (1979-07-01), Svensson et al.
patent: 4596971 (1986-06-01), Hirabayashi et al.
patent: 4902036 (1990-02-01), Zander et al.
patent: 5383388 (1995-01-01), Ono
patent: 5458369 (1995-10-01), Matsuki et al.

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