Point-detonating projectile fuze

Details Point-detonating projectile fuze Point-detonating projectile fuze

1974-03-01

1976-06-08

Tudor, Harold

Ammunition and explosives

Igniting devices and systems

102 73A, 10274, 102 852, F42C 104

Patent

active

039615782

ABSTRACT:
A fuze for a spin-stabilized artillery projectile comprises a body includ: an ogive member containing point-detonating firing means, selectable for super-quick or delay firing; and a base member containing an inertial delay fuze operable by either direct or graze impact, a combustible fuse loop surrounding the inertial delay fuze and exposed to the point-detonating firing means, and a firing train coupling the inertial delay fuze and the fuse loop to a booster charge for initiating the main explosive charge of the projectile. The inertial delay fuze may comprise a cylindrical housing including a rear wall, an outer cylindrical wall and a front wall including a rearward tubular extension forming an annular chamber, a rearwardly-biased firing pin slidable in the tubular extension, a rearwardly-biased, annular, locking member slidable in the annular recess from a rear position, wherein it engages a series of detent balls which hold the firing pin in safe position, to a forward, firing pin-releasing position, a detonator positioned to be fired by the firing pin, and a series of spherical inertial weights which engage inclined cam surfaces on the locking member to force the latter forwardly on graze impact with a target.

REFERENCES:
patent: 1224631 (1917-05-01), Girdwood
patent: 1318098 (1919-10-01), Midgley
patent: 1786640 (1930-12-01), Zornig et al.
patent: 2483555 (1949-10-01), Nichols
patent: 2513536 (1950-07-01), Wellington
patent: 2529483 (1950-11-01), Byrnes, Jr.
patent: 2701527 (1955-02-01), Granath et al.
patent: 3185090 (1965-05-01), Weber
patent: 3633510 (1972-01-01), Bernardin
patent: 3718093 (1973-02-01), Milanowski

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