Device in a force actuator

Details Device in a force actuator Device in a force actuator

F - Mech Eng,Light,Heat,Weapons

16

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F16H 49/00 (2006.01) B60T 13/74 (2006.01) B61H 5/00 (2006.01) B61H 13/00 (2006.01) F16D 65/14 (2006.01) F16H 25/20 (2006.01) F16H 31/00 (2006.01) H01L 41/12 (2006.01)

Patent

CA 2071895

An oscillating axial movement of a drive member (18) in a force actu- ator is generated by a prestressed rod (17) of Terfenol material being ex- posed to a pulsating magnetic field. This oscillating movement is trans- formed to an axial movement in an application direction of a push rod (21) coaxial therewith. The drive member and the push rod are connected by a connection member (22), which is in self-locking thread engagement with the drive member and the push rod and is subjected to a torque from a spiral spring (23) for its rotation during the idle stroke of the oscillation movement in the direction for advancing the push rod in the application direction.

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