Sagittally amplified piezoelectric actuator

Details Sagittally amplified piezoelectric actuator Sagittally amplified piezoelectric actuator

1980-02-21

1982-03-02

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310321, H01L 4108

Patent

active

043180230

ABSTRACT:
An electroexpansive linear actuator utilizes a sagittal tension member to amplify linear motion in which the electroexpansive member is placed in compression between a fixed base support and a lever support member hingedly connected to the fixed base. One end of the sagittal tension member is attached to the fixed base while the other end is attached to the lever support member distal the hinge point. The device to be actuated is connected proximate the midpoint of the sagittal tension member and moves perpendicular to the longitudinal axis of the sagittal tension member when the electroexpansive member expands and contracts. A second embodiment of the actuator utilizes a second lever support arm instead of the fixed base as a bearing support for the other end of the electroexpansive member.

REFERENCES:
patent: 2416887 (1947-03-01), Tibbetts
patent: 2810082 (1957-10-01), Tibbetts
patent: 3558936 (1971-01-01), Horan
patent: 3649857 (1972-03-01), Knappe
patent: 3697790 (1972-10-01), Flint et al.
patent: 4193703 (1980-03-01), Sakmann

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