Elliptical pneumatic actuator for an electric switch

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

This application is related to a utility application entitled Elliptical Pneumatic Actuator With A Wedge Shaped Base naming the same inventive entity given herein.

FIG. 1 is a top, right side and front perspective view of an elliptical pneumatic actuator for an electric switch showing our new design;

FIG. 2 is a top, left side and front perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof, the left side being a mirror image thereto;

FIG. 5 is a rear view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a top view thereof.

The broken line showing in the figure drawings is included for illustrative purposes only and forms no part of the claimed design.

Claims

The ornamental design for an elliptical pneumatic actuator for an electric switch, as shown and described.

Referenced Cited
U.S. Patent Documents
2875291 February 1959 Armstrong et al.
3104293 September 1963 Rendler
3823285 July 1974 Dwyer
D254488 March 18, 1980 Giannotti et al.
5008505 April 16, 1991 Takano et al.
5113048 May 12, 1992 Lafferty
5155309 October 13, 1992 Dwyer
D339570 September 21, 1993 Dwyer
5736702 April 7, 1998 Roberts et al.
5999100 December 7, 1999 Wright et al.
6186450 February 13, 2001 Maillaro
6612223 September 2, 2003 Leonard et al.
D488168 April 6, 2004 Simmons et al.
D519467 April 25, 2006 Chow et al.
Patent History
Patent number: D567186
Type: Grant
Filed: Jul 21, 2007
Date of Patent: Apr 22, 2008
Assignee: Dwyer Precision Products, Inc. (Jacksonville, FL)
Inventors: Bert W. Wechtenhiser (Jacksonville, FL), Mack Wright (Jacksonville, FL), James A. King (Jacksonville, FL)
Primary Examiner: Daniel Bui
Assistant Examiner: Thomas J Johannes
Attorney: Clifford A. Poff
Application Number: 29/289,463