Piezoelectric acutator device with vibration absorbing means

Details Piezoelectric acutator device with vibration absorbing means Piezoelectric acutator device with vibration absorbing means

1992-05-22

1993-05-25

Stephan, Steven L.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310328, 400124, H01L 4108, B41J 2295

Patent

active

052143414

ABSTRACT:
A piezoelectric actuator device adapted for use in a printing machine and comprising a piezoelectric assembly and a movement magnifying mechanism for magnifying the movement of the piezoelectric assembly and for transferring the magnified movement to the printing wire. The movement magnifying mechanism includes a rigid member, a first spring connecting the second end of the piezoelectric assembly to the rigid member, and a second spring connecting the rigid member to the support base. A vibration absorbing means preferably comprising silicone rubber resin is inserted between the first and second springs to damp the vibration of the movement magnifying mechanism.

REFERENCES:
patent: 2227072 (1940-12-01), Toro
patent: 2513269 (1950-07-01), Bauer
patent: 2879413 (1959-03-01), Smith-Johannsen
patent: 3307055 (1967-02-01), Schafft
patent: 3927410 (1975-12-01), Pimbley
patent: 5005994 (1991-04-01), Yano

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