Ammunition and explosives – Igniting devices and systems – Arming devices
Patent
1983-04-14
1984-11-20
Brown, David H.
Ammunition and explosives
Igniting devices and systems
Arming devices
102260, 60 39091, F02K 504, F42C 1500
Patent
active
044832508
ABSTRACT:
A manually rotatable cylindrical valve member forms a physical barrier in a "safe" position between a firing pin-primer charge and pyrotechnic flare ignition material. The valving member has a passage through it that, in the "armed" position, is in alignment with the firing pin-primer charge and the flare ignition material. An axial force on the valving member along with a rotational force is required for adjustment between the safe and armed positions and vice versa. Gas venting of the primer, upon accidental or inadvertent firing of the primer, prevents flare ignition when the valving member is in the safe position.
REFERENCES:
patent: 2201209 (1940-05-01), Schultze
patent: 2392884 (1946-01-01), Semple
patent: 3034435 (1962-05-01), Schermuly
patent: 3423931 (1969-01-01), Schwarz et al.
patent: 3529418 (1970-09-01), Puckett et al.
patent: 3736877 (1973-06-01), Roberts et al.
patent: 3763785 (1973-10-01), Briggs et al.
Berkley George A.
Thurston James R.
Brown David H.
Thiokol Corporation
White Gerald K.
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