Displacement amplification mechanism for piezoelectric elements

Details Displacement amplification mechanism for piezoelectric elements Displacement amplification mechanism for piezoelectric elements

1992-08-04

1993-12-14

Eldred, J. Woodrow

Communications, electrical: acoustic wave systems and devices

Signal transducers

310328, 310323, H01R 1700

Patent

active

052709841

ABSTRACT:
In a displacement amplification mechanism for a piezoelectric element comprising a pair of lever arms for transmitting and amplifying the displacement of the piezoelectric element, and a bridge-shaped beam member held at ends of the lever arms with rivets and working as a further means for amplifying the displacement of the piezoelectric element, a semi-elliptical rib is formed in a central flat portion of the beam member to thereby increse the rigidity in the central flat portion.

REFERENCES:
patent: 4808874 (1989-02-01), Stahlhuth
patent: 4976553 (1990-12-01), Yamaguchi et al.
patent: 5049775 (1991-09-01), Smits

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