Actuator used shape memory alloy and display conversion device o

Details Actuator used shape memory alloy and display conversion device o Actuator used shape memory alloy and display conversion device o

1989-01-27

1990-04-10

Ostrager, Allen M.

Power plants

Motor operated by expansion and/or contraction of a unit of...

Mass is a solid

F03G 706

Patent

active

049149083

ABSTRACT:
An actuator used shape memory alloy and a display conversion device of signs characterized in that, in the actuator equipped with a shape memory alloy allowing a movable body to work in one direction by the restoration force to the memorized shape at the time of temperature rising, a control base standing opposite to at least part of said movable body is provided, concave portions are provided to one of said movable body and control base and, at the same time, a control element is provided to the other thereof to guide said control element to said concave portion and to press said concave portion and control element against one another by a fixed resilience.

REFERENCES:
patent: 3652969 (1972-03-01), Willson et al.
patent: 4772807 (1988-09-01), Bouvat

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