Pneumatic actuator for an electric switch

- Dwyer Precision, Inc.
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Description

FIG. 1 is a top plan view of a pneumatic actuator for an electric switch showing my new design;

FIG. 2 is a left side elevational view thereof, the right side elevational view thereof being a mirror image;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D216697 March 1970 Brooks
D272821 February 28, 1984 Perethian
D316249 April 16, 1991 King-Pei
2875291 February 1959 Armstrong et al.
4584508 April 22, 1986 Kobayashi et al.
5155309 October 13, 1992 Dwyer
Patent History
Patent number: D339570
Type: Grant
Filed: Jul 19, 1991
Date of Patent: Sep 21, 1993
Assignee: Dwyer Precision, Inc. (Jacksonville, FL)
Inventor: Phillip W. Dwyer (Jacksonville, FL)
Primary Examiner: Wallace R. Burke
Assistant Examiner: J. Sincavage
Attorney: Clifford A. Poff
Application Number: 7/732,683
Classifications
Current U.S. Class: Element Or Attachment (D13/173)