Electronic trip relay

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Description

FIG. 1 is a front and upper right perspective view of an electronic trip relay showing our new design;

FIG. 2 is a rear and lower left perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a left side elevational view thereof; and,

FIG. 9 is a front and upper right perspective view thereof shown with the transparent cover in the open position.

Referenced Cited
U.S. Patent Documents
3983460 September 28, 1976 Kuhn et al.
4692838 September 8, 1987 Merchant
Other references
  • "Mitsubishi Low-Voltage Air Circuit Breakers", published by Mitsubishi Denki Kabushiki Kaisha, Jan. 1984.
Patent History
Patent number: D335488
Type: Grant
Filed: Dec 31, 1991
Date of Patent: May 11, 1993
Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo)
Inventors: Masakatsu Suzuki (Kamakura), Kazuhiro Ishii (Fukuyama), Shingo Akita (Fukuyama), Koji Hirotsune (Fukuyama), Ichiro Arinobu (Fukuyama)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Law Firm: Burns, Doane, Swecker & Mathis
Application Number: 7/815,370