US Government As Represented by the Secretary of the Army

William E Hagel

Richard S Herman

Anthony P Antonuzzi

Donald M Lawson

The invention relates to lock mechanisms by which a missile or analogous tem may be prevented from undergoing an undesired launch or ignition. Specifically, the invention is a rotating lock mechanism which may be rotated in precise clockwise and counterclockwise steps by an electrical stepper motor or other source of precise rotation, in response to a predetermined sequence of electrical pulses.

High speed lock mechanism

There is disclosed an initiator assembly for a ballistic missile system to ffect fluid flow of a gas from a source thereof to user equipment disposed in a housing therefor including gas inlet and outlet conduits and comprised of a rotor member journalled for rotation in the housing and formed with a mass of an eccentric weight distribution with respect to the axis of rotation and wherein the rotor is provided with an explosive assembly ignited by a striker assembly activated by launch acceleration of the missile and wherein a drive piston of the explosive assembly fractures a closure element disposed in one of said gas conduits.

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Billerica, MA, United States of America

William E Hagel