Ammunition and explosives – Igniting devices and systems – Arming devices
Patent
1982-06-28
1984-06-26
Brown, David H.
Ammunition and explosives
Igniting devices and systems
Arming devices
102230, 102489, F42B 1350, F42C 500, F42C 1532
Patent
active
044559402
ABSTRACT:
A random time delay fuze includes a fuze base member containing a cylindrl cup guide carrying a slidably mounted cylindrical cup. The cup contains a piston which has a recess slidably mounted on a cylindrical firing pin guide which is also attached to said fuze base and contains a spring biased firing pin. The cup has a ribbon stabilizer, which when exposed to an airstream pulls the cup forward a limited distance, thereby forming a space within the cup between the piston and the cup. The piston is provided with a "floating" O-ring seal, which allows air to flow into but not out of said space, and an air restrictor, which restricts the flow of air out of said space. A biasing spring forces the piston forward in said space, causing air to be vented through the restrictor and thereby retarding the forward movement of the piston. When the piston has moved forward sufficiently, it permits locking balls to release the firing pin. The fuze base includes a detonator slider containing a detonator, which is not aligned with the firing pin in the safe position. Centrifugal force causes the detonator slider to move laterally to align the detonator with the firing pin.
REFERENCES:
patent: 3724385 (1973-04-01), Beatty et al.
patent: 3913483 (1975-10-01), Wolterman
patent: 3938438 (1976-02-01), Anderson et al.
patent: 3962974 (1976-06-01), Anderson et al.
patent: 3998164 (1976-12-01), Hadfield
patent: 4389940 (1983-06-01), Trembly et al.
Brown David H.
Card, Jr. Harold H.
Gibson Robert P.
Lane Anthony T.
The United States of America as represented by the Secretary of
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