Piezoelectric actuator device

- Caterpillar Inc
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a bottom perspective view of the piezoelectric actuator device of our invention;

FIG. 2 is an inverted front elevational view of the piezoelectric actuator device illustrated in FIG. 1;

FIG. 3 is a bottom plan view of the piezoelectric actuator device illustrated in FIG. 1;

FIG. 4 is a top plan view of the piezoelectric actuator device illustrated in FIG. 1; and,

FIG. 5 is a left side elevational view of the piezoelectric actuator device illustrated in FIG. 1, the right side being a mirror image thereof.

The broken line showing of the environment is for illustrative purpose only and forms no part of the claimed design.

Claims

The ornamental design for a piezoelectric actuator device, as shown and described.

Referenced Cited
U.S. Patent Documents
D193186 July 1962 Marcoux
4035672 July 12, 1977 Beaverson et al.
4430595 February 7, 1984 Nakasone et al.
4545561 October 8, 1985 Brown
4642509 February 10, 1987 Kumada
5216316 June 1, 1993 Ipcinski
D356778 March 28, 1995 Takeda et al.
6201339 March 13, 2001 Tani et al.
Patent History
Patent number: D475023
Type: Grant
Filed: Jun 6, 2002
Date of Patent: May 27, 2003
Assignee: Caterpillar Inc (Peoria, IL)
Inventors: Jerry P Maushard (Mapleton, IL), L. Glenn Waterfield (Peoria, IL)
Primary Examiner: Ted Shooman
Assistant Examiner: Selina Sikder
Attorney, Agent or Law Firm: Kelsey L Milman
Application Number: 29/161,984
Classifications
Current U.S. Class: Switch Or Casing Therefor (18) (D13/158)
International Classification: 1303;