Bendable actuator

Details Bendable actuator Bendable actuator

1990-06-19

1992-01-14

Look, Edward K.

Expansible chamber devices

Plural flexible wall working members

92 92, 92103R, 901 27, F01B 1900, B25J 1100

Patent

active

050799991

ABSTRACT:
A bendable actuator includes a plurality of elastic extensible members arranged in parallel and extensible in axial directions when a pressurized fluid is supplied into the elastic extensible members. The actuator further includes connecting members arranged in a manner embracing the elastic extensible members and connecting respective ends of the elastic extensible members. The actuator includes an elastic member arranged between the connecting members and surrounding the elastic extensible members to resist extending forces of the elastic extensible members and to restrain bending of the elastic extensible members. With this arrangement, linear extension and bending of the actuator are realized by adjusting supply and exhaust of the pressurized fluid into and from the elastic extensible members.

REFERENCES:
patent: 3284964 (1966-11-01), Saito
patent: 3645173 (1972-02-01), Yarlott
patent: 4494417 (1985-01-01), Larson et al.
patent: 4502280 (1985-03-01), McCoy
patent: 4615260 (1986-10-01), Takagi et al.
patent: 4777868 (1988-10-01), Larsson
patent: 4860639 (1989-08-01), Sakaguchi
patent: 4976191 (1990-12-01), Suzumori et al.

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