Contraction-extension mechanism type actuator

Details Contraction-extension mechanism type actuator Contraction-extension mechanism type actuator

1993-01-29

1994-08-09

Lazarus, Ira S.

Power plants

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

Mass is a solid

60527, F03G 706

Patent

active

053354982

ABSTRACT:
A contraction-extension mechanism type actuator is provided which operates with a small and simple mechanism, offers no hindrance to other work units, adopts a construction capable of fine adjustment, and enables only the leading end of a module to be freely moved while producing virtually no motion of the module itself. These objects are accomplished by a contraction-extension mechanism type actuator which is a joint array formed of a shape-memorizing alloy and provided with a contraction-extension mechanism having shape-controlling heaters integrally attached to the component joints of the array and having the joint array itself serving as its own a drive source.

REFERENCES:
patent: 4553393 (1985-11-01), Ruoff
patent: 4790624 (1988-12-01), Van Hoye et al.
patent: 4864824 (1989-09-01), Gabriel et al.
patent: 5035530 (1991-07-01), Fukuda et al.
patent: 5061914 (1991-10-01), Busch et al.

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