Liquid contractility actuator

Details Liquid contractility actuator Liquid contractility actuator

1986-05-27

1988-04-26

Garrett, Robert E.

Motors: expansible chamber type

Independently operated timer, delay, pattern or cyclic control

Of independently movable working members

91454, 91530, 92 48, 92 92, 901 21, 901 22, 901 29, F15B 2102

Patent

active

047396920

ABSTRACT:
A contractility actuator includes a longitudinal quadrilateral mesh of relatively inelastic segments with anchor points at either end, an expandable bladder confined within the mesh and means for introducing and inflating the bladder with a liquid for generating a contractile force between the anchor points mechanically analogous to a muscle but of much greater magnitude. Two or more of the contractile actuators are arranged in a system for precisely articulating one or more arms pivotally secured at the distal ends of a structural member.

REFERENCES:
patent: 2483088 (1949-09-01), DeHaven
patent: 2844126 (1958-07-01), Gaylord
patent: 4356554 (1982-10-01), Susnjara et al.
patent: 4369814 (1983-01-01), Humphrey
patent: 4379335 (1983-04-01), Kirsch et al.
patent: 4494417 (1985-01-01), Larson et al.
patent: 4615260 (1986-10-01), Takagi et al.

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