Programmable electronic cam-operated switch

Description

FIG. 1 is a front, top and right side perspective view of a programmable electronic cam-operated switch showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof, the opposite side being a mirror image thereof;

FIG. 5 is a rear elevational view thereof with the broken line showing included for the purpose of illustrating environmental structure which forms no part of the claimed design; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D287117 December 9, 1986 Saiki et al.
D290694 July 7, 1987 Shimizu et al.
D311901 November 6, 1990 Ohsawa et al.
D316247 April 16, 1991 Llabres et al.
Foreign Patent Documents
2543781 October 1984 FRX
Other references
  • Programmable controllers on cover of Sep. 1986 Mitsubishi publication MELSEC F1. Programmable controllers on cover of Koyo publication. Idec programmable controller on p. 125, of Control Engineering.
Patent History
Patent number: D351589
Type: Grant
Filed: May 25, 1993
Date of Patent: Oct 18, 1994
Assignee: Koyo Electronic Industries Co., Ltd. (Tokyo)
Inventors: Norio Shimizu (Tokyo), Teruo Matsuno (Tokyo)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Application Number: 0/8,698
Classifications