Rotation/displacement converting actuator

Details Rotation/displacement converting actuator Rotation/displacement converting actuator

2007-01-02

2007-01-02

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S323010, C310S323020

Reexamination Certificate

active

11143188

ABSTRACT:
A rotation/displacement converting actuator has an actuator unit constituted by a displacing body and an actuator in which the displacing body can be linearly displaced. The actuator has a pair of plate-shaped bases, a rotor, a vibrating element that rotates the rotor, and a cam mechanism for converting rotary motion of the rotor to linear motion of the displacing body. The rotor is fixed to a shaft to which the rotor (cam rotor) is fixed. An outer circumferential surface of the rotor constitutes a cam surface of the cam mechanism. A roller is provided at a tip portion of the displacing body. The roller abuts on the outer circumferential surface (cam surface) of the rotor.

REFERENCES:
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patent: 6765334 (2004-07-01), Iino et al.
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Communication from PCT re: corresponding International Application No. PCT/JP03/02804.

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