Piezoelectric polymer microgripper

Details Piezoelectric polymer microgripper Piezoelectric polymer microgripper

1986-01-27

1987-05-19

Cherry, Johnny D.

Handling: hand and hoist-line implements

Grapple

Load shifting

294118, 901 36, B25J 1512

Patent

active

046661980

ABSTRACT:
Improved microgrippers using piezoelectric polymers are disclosed utilizing a pair of levers formed in a plier-like structure having piezoelectric polymer composite sheets connected between the levers or between each lever and a third intermediate lever or through a drive linkage to the levers. By appropriate application of electric fields, jaws formed at the ends of the levers are moved toward and away from each other to accomplish the grasping and releasing action.

REFERENCES:
patent: 3726557 (1973-04-01), Ventre
patent: 3835338 (1974-09-01), Martin
patent: 4108486 (1978-08-01), Hirmann
patent: 4342936 (1982-08-01), Marcus et al.
patent: 4400642 (1983-08-01), Kiraly

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