Bendable actuator

Details Bendable actuator Bendable actuator

1990-09-25

1992-01-28

Look, Edward K.

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

92117R, 92 89, 73731, F01B 1900, F16J 300

Patent

active

050834983

ABSTRACT:
A bendable actuator includes a tubular body made of an elastic material, a reinforcing braided structure surrounding the tubular body, and closure members closing both open ends of the tubular body and the reinforcing braided structure, respectively. At least one closure member is formed with a connecting aperture communicating with an internal space of the tubular body. A restraining device is provided at least partially between the closure members for partially restraining extension of the actuator in the axial direction. When the tubular body is supplied with a pressurized fluid, the actuator is extended in the axial direction while being curved at the same time.

REFERENCES:
patent: 2404801 (1946-07-01), Hollerith
patent: 2644336 (1953-07-01), Bowditch
patent: 2712240 (1955-07-01), Booth
patent: 3343864 (1967-09-01), Baer
patent: 3601442 (1971-08-01), Orndorff
patent: 3613455 (1971-10-01), Hightower et al.
patent: 3924519 (1975-12-01), England
patent: 4108050 (1978-08-01), Paynter
patent: 4615260 (1986-10-01), Takagi et al.
patent: 4751868 (1988-06-01), Paynter
patent: 4794912 (1989-01-01), Lia
patent: 4841845 (1989-06-01), Beullens
patent: 4976191 (1990-12-01), Suzumori et al.
IBM Technical Disclosure Bulletin, vol. 8, No. 6, Nov. 1965.

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