Canard drive mechanism latch for guided projectile

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4373688
SERIAL NO

06225596

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A latching pin is held in a mating hole by a retaining wire prior to firingf a guided projectile to lock together a canard frame and an intermediate body which is part of a canard deflecting mechanism. Upon launch, the retaining wire is sheared by an inertia-driven shear mass but the latch pin is maintained in the latching condition by centrifugal force imparted to the canard frame and intermediate body during launch. Following launch, the canard frame and intermediate body are despun by aerodynamic drag on canards. Once despinning has proceeded sufficiently to reduce the centrifugal force to a value low enough to be overcome by a resilient member, the latch pin is withdrawn from the mating hole and relative rotation of the intermediate body and the canard frame are permitted to thus begin deflecting a pair of deflectable canards for producing aerodynamic lift to steer the projectile.

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Patent Owner(s)

Patent OwnerAddress
SANDERS ASSOCIATES INCDANIEL WEBSTER HIGHWAY SOUTH A CORP OF DE NASHUA NH

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Topliffe, Roger O Amherst, NH 4 389

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