Electrical discharge machine

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Description

FIG. 1 is a front elevational view of an electrical discharge machine, showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front, top and right side perspective view thereof;

FIG. 8 is a front, top and left side perspective view thereof; and,

FIG. 9 is a front elevational reference view thereof with the light-transmitting portion thereof tinted.

Referenced Cited
U.S. Patent Documents
D277679 February 19, 1985 Kitamura
D286407 October 28, 1986 Itoh et al.
D302165 July 11, 1989 Itoh et al.
5175408 December 29, 1992 Takashima
5410119 April 25, 1995 Lehmann
5530217 June 25, 1996 Knecht
5539172 July 23, 1996 Takase et al.
Patent History
Patent number: D388103
Type: Grant
Filed: Jul 22, 1996
Date of Patent: Dec 23, 1997
Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo)
Inventors: Masato Gotou (Tokyo), Takanori Miyake (Tokyo), Makoto Tanaka (Tokyo)
Primary Examiner: Antoine Duval Davis
Law Firm: Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Application Number: 0/57,277
Classifications
Current U.S. Class: Cutting (6) (D15/127); Material Working, Abrading, Or Founding Machinery (D15/122)
International Classification: 1509;