Ammunition and explosives – Igniting devices and systems – Impacting devices
Patent
1994-06-30
1995-10-24
Jordan, Charles T.
Ammunition and explosives
Igniting devices and systems
Impacting devices
280733, 280734, 200 6145M, F42C 100, B60R 2118, B60R 2132, H01H 3514
Patent
active
054600944
ABSTRACT:
A trigger device is provided with a firing pin made of a non-magnetic material and arranged movably toward a detonator, an inertia body formed of a permanent magnet and arranged movably toward the detonator, and a cylindrical permanent magnet having an inner diameter greater than an outer diameter of the inertia body. The firing pin extends freely through the inertia body. When an acceleration acting on the inertia body exceeds repulsion between the inertia body and the cylindrical permanent magnet, the inertia body is caused to move toward the detonator through a cavity of the cylindrical permanent magnet so that the firing pin strikes and fires the detonator. An attracting disk made of a magnetic material is arranged in close contact with a detonator-side magnetic pole surface of the cylindrical permanent magnet so that attraction for the inertia body is increased.
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Jordan Charles T.
NSK Ltd.
Wesson Theresa M.
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