Mechanical command to arm fuze

Details Mechanical command to arm fuze Mechanical command to arm fuze

2009-08-17

2011-11-22

Bergin, James (Department: 3641)

Ammunition and explosives

Igniting devices and systems

Arming devices

C102S237000, C102S245000, C102S256000

Reexamination Certificate

active

08061272

ABSTRACT:
A mechanical safe and arm device for rotating munitions reduces arming scatter so that the “no arm” and “all arm” distance are substantially the same. A first spring holds a flywheel, a pinion gear, and a drive gear against rotation until centrifugal forces cause the spring to release them. The drive gear then rotates, causing rotation of the pinion gear and the flywheel. A post depending from the flywheel strikes and unlocks a second spring that unlocks a pivotally-mounted rotor that carries a detonator. The rotor then pivots and brings the detonator into alignment with a firing pin.

REFERENCES:
patent: 6145439 (2000-11-01), Ziemba
patent: 7357081 (2008-04-01), Zinell et al.
patent: 7461596 (2008-12-01), Zinell et al.
patent: 7798064 (2010-09-01), Taylor

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