Aeronautics and astronautics – Missile stabilization or trajectory control – Externally mounted stabilizing appendage
Reexamination Certificate
1998-09-04
2001-02-13
Carone, Michael J. (Department: 3641)
Aeronautics and astronautics
Missile stabilization or trajectory control
Externally mounted stabilizing appendage
Reexamination Certificate
active
06186442
ABSTRACT:
DEDICATORY CLAUSE
The invention described herein may be manufactured, used and licensed by or for the Govennment for governmental purposes without the payment to me of any royalties thereon.
BACKGROUND OF THE INVENTION
The state-of-the-art in compact wing opening and locking technology is a ring pin mechanism in which a spring-loaded ring pin engages matching holes in the wing root and fixed base. This design suffices for applications where stresses are not great and positive (tremor-less) locking is not required. Some of the other designs use a tab protruding from the wing root which fits into a recess in the flying object's (such as a missile) body itself. Such a design provides positive locking action but at the expense of compactness. Further, the amount of stress that can be tolerated is limited by the width of the tab.
SUMMARY OF THE INVENTION
When the flying object is released from its storage canister, a torsion spring connecting the wing with the base deploys the wing and after the wing has reached a certain degree of deployment, a tapered tooth that protrudes from the base engages a matching slot in the wing boss to lock in the wing at the moment the wing obtains the fully-deployed position. The taper angle of the tooth and the slot compensates for manufacturing tolerances and provides a positive, solid locking action.
REFERENCES:
patent: 2960296 (1960-11-01), Sepp, Jr.
patent: 3103886 (1963-09-01), Popenoe
patent: 4974289 (1990-12-01), Picard
patent: 5464173 (1995-11-01), Sharrow et al.
patent: 2649643 A1 (1978-06-01), None
patent: 2153982A (1985-08-01), None
Bush Freddie M.
Carone Michael J.
Chang Hay Kyung
Gellner Jeffrey L.
The United States of America as represented by the Secretary of
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