Piezoelectric actuator

Info

Patent number: D346364
Type: Grant
Filed: Aug 17, 1992
Date of Patent: Apr 26, 1994
Assignee: NEC Corporation (Tokyo)
Inventors: Takayuki Inoi (Tokyo), Kazumasa Ohya (Tokyo), Kiyotak Hamada (Tokyo)
Primary Examiner: Wallace R. Burke
Assistant Examiner: J. Sincavage
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Application Number: 7/930,304

Description

Description

FIG. 1 is a front elevational view of a piezoelectric actuator showing our new design, the rear being a mirror image thereof;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view of a second embodiment of a piezoelectric actuator showing our new design, the rear being a mirror image thereof;

FIG. 7 is a left side elevational view thereof;

FIG. 8 is a right side elevational view thereof;

FIG. 9 is a top plan view thereof;

FIG. 10 is a bottom plan view thereof;

FIG. 11 is a front elevational view of a third embodiment of a piezoelectric actuator showing our new design, the rear being a mirror image thereof;

FIG. 12 is a left side elevational view thereof;

FIG. 13 is a right side elevational view thereof;

FIG. 14 is a top plan view thereof;

FIG. 15 is a bottom plan view thereof;

FIG. 16 is a front elevational view of a fourth embodiment of a piezoelectric actuator showing our new design, the rear being a mirror image thereof;

FIG. 17 is a left side elevational view thereof;

FIG. 18 is a right side elevational view thereof;

FIG. 19 is a top plan view thereof;

FIG. 20 is a bottom plan view thereof;

FIG. 21 is a front elevational view of a fifth embodiment of a piezoelectric actuator showing our new design, the rear being a mirror image thereof;

FIG. 22 is a left side elevational view thereof;

FIG. 23 is a right side elevational view thereof;

FIG. 24 is a top plan view thereof; and,

FIG. 25 is a bottom plan view thereof.