Piezoelectric latching actuator having an impact receiving proje

Details Piezoelectric latching actuator having an impact receiving proje Piezoelectric latching actuator having an impact receiving proje

1986-01-21

1987-06-09

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

200181, H01L 4108

Patent

active

046722572

ABSTRACT:
Disclosed is a piezoelectric actuator comprising a pair of piezoelectric elements, bistable snap-action means, and projectile means attached to the snap-action means in an impact receiving relationship alternately with the piezoelectric elements. The projectile means has a mass sufficient to acquire an acceleration upon impact from each of the piezoelectric elements to cause the snap-action means to change state. The snap-action means may comprise an elongated bending element squeezed endwise between supports, the projectile means being carried by bending element at a point intermediate its ends.

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patent: 4553061 (1985-11-01), Germano

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