Actuator using elastic extensible member

Details Actuator using elastic extensible member Actuator using elastic extensible member

1990-06-19

1992-10-27

Look, Edward K.

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

92 51, 92 90, 92 91, 92130R, 92130D, F01B 1900

Patent

active

051580055

ABSTRACT:
An actuator includes an elastic member extensible in axial directions when a pressurized fluid is supplied into the elastic member, and guiding device arranged outwardly of the elastic member and permitting the elastic member to move in the axial directions, but restraining the elastic member from moving in directions intersecting the axial directions. As the actuator is of an air-bag type so that energy of the pressurized fluid can be converted into mechanical movement with high efficiency. The actuator moves only in axial directions without expanding in radial directions, so that the actuator takes up little space in operation.

REFERENCES:
patent: 1652879 (1924-08-01), Standerwick
patent: 2949895 (1960-08-01), Reuter
patent: 3481254 (1969-12-01), Wetherbee
patent: 4615260 (1986-10-01), Takagi et al.
patent: 4721030 (1988-01-01), Paynter
patent: 4784042 (1988-11-01), Paynter
patent: 4841845 (1989-06-01), Beullens
patent: 4939982 (1990-07-01), Immega et al.
patent: 4974497 (1990-12-01), Krauter

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