Cover ejection and fin deployment system for a gun-launched...

Details Cover ejection and fin deployment system for a gun-launched... Cover ejection and fin deployment system for a gun-launched...

2005-04-19

2005-04-19

Poon, Peter M. (Department: 3643)

Aeronautics and astronautics

Missile stabilization or trajectory control

Externally mounted stabilizing appendage

C244S049000

Reexamination Certificate

active

06880780

ABSTRACT:
A fin cover release and deployment system designed for high G forces of gun-launched missiles. In one embodiment, a pyrotechnic actuator drives actuator arms to first release and eject the fin slot covers, followed by deployment of the fins radially outward to the steering position. Following complete ejection of the covers, the fins are driven outwardly by cam surfaces along the latch arms, followed by a spring and wedge mechanism installed interiorly of the fin steering shaft to lock the fins in the fully deployed state. In another embodiment, a motor and rotating threaded shaft replace the pyrotechnic actuator.

REFERENCES:
patent: 4296895 (1981-10-01), Pazmany
patent: 4523728 (1985-06-01), Frazer
patent: 6073880 (2000-06-01), Voigt et al.
patent: 6224013 (2001-05-01), Chisolm
patent: 6446906 (2002-09-01), Voigt et al.
patent: 6581871 (2003-06-01), Pijaca et al.

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