Device for the control by cam of a mobile mechanism
AssigneeSociete Nationale d'Etude et de Construction de Moteurs d'Aviation
InventorsGerard C. H. Dehan, Jean-Pierre Maulat
Life of this patent
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Abstract
The position of a mechanism is regulated by means of a cam moved by a motor o actuate a contact connected with the mechanism. The device includes an arrangement to reset the cam to a predetermined position in case of a failure of the motor. A mobile cam stop is provided and the arrangement to reset the cam in the direction of the mobile cam stop also includes mechanism to reset the mobile stop in the direction of the cam and arrest the stop.
Claims10
A device for the control by cam of a mobile mechanism including a motor for effecting the displacement of the cam, a cam follower for the mechanism to be controlled and means to urge said follower against the operating profile of the cam, and further comprising a mobile stop mechanism in the path of movement of said cam, said follower urging the cam toward the stop mechanism, means to urge the stop mechanism toward the cam and means to arrest the stop mechanism in its movement of approach toward the cam to establish a stop position, said means urging said cam follower and said means for urging said stop mechanism being selected so that the cam is able, when actuated by its motor, to move the stop mechanism in order to move it from its stop position, while the stop mechanism is able, when the cam is not being actuated by its motor, to move said cam until the stop position is attained.
Dependencies are inferred from the claim text.