Piezoelectric actuator arrangement with adjustment for wear

Details Piezoelectric actuator arrangement with adjustment for wear Piezoelectric actuator arrangement with adjustment for wear

1983-03-21

1985-01-08

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H01L 4108

Patent

active

044928912

ABSTRACT:
An actuator arrangement for urging a ram against a controlled device. An actuator such as a stack of piezoelectric disks is mounted and moves together with the ram along a line of movement. An end of the ram remote from the controlled device is engaged by re-adjusting elements which urge that end of the ram toward the controlled elements, and is also engaged by a releasable locking actuator which locks the ram end with respect to the controlled device. While the working actuator is energized, release and re-application of the locking actuator enables play in the actuator arrangement to be taken up.

REFERENCES:
patent: 1980888 (1934-11-01), Thomas
patent: 3292019 (1966-12-01), Hsu et al.
patent: 3377489 (1968-04-01), Brisbane
patent: 3390559 (1968-07-01), Steutzer
patent: 3473466 (1969-10-01), Thayer
patent: 3808488 (1974-04-01), Massa
patent: 3919943 (1975-11-01), Beery
patent: 4193703 (1980-03-01), Sakmann
patent: 4382243 (1983-05-01), Babitzka

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