Insulation resistance tester

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Description

FIG. 1 is a front view of an insulation resistance tester showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a perspective view from a view point at the right and above the insulation resistance tester.

Referenced Cited
U.S. Patent Documents
D323893 February 11, 1992 Arioka
1593024 July 1926 Macadie
4173886 November 13, 1979 Archbold et al.
Patent History
Patent number: D395834
Type: Grant
Filed: Feb 25, 1997
Date of Patent: Jul 7, 1998
Assignee: Hioki Denki Kabushiki Kaisha (Ueda)
Inventors: Junji Kumai (Ueda), Seiji Onuma (Ueda)
Primary Examiner: Antoine Duval Davis
Law Firm: Kanesaka & Takeuchi
Application Number: 0/67,131