Welding control unit for resistance welding

- Kabushiki Kaisha Toshiba
Description

FIG. 1 is a top, front and right side perspective view of a welding control unit for resistance welding showing our new design;

FIG. 2 is a top, rear and left side perspective view;

FIG. 3 is a front elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a rear elevational view;

FIG. 6 is a left side elevational view;

FIG. 7 is a top plan view; and

FIG. 8 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D230406 February 1974 Hampton
D252568 August 7, 1979 Comstock
D287360 December 23, 1986 Lehmann
4712157 December 8, 1987 Simonson et al.
Other references
  • Mitsubishi Programable Controllers Catalog, cover.
Patent History
Patent number: D306302
Type: Grant
Filed: Apr 7, 1988
Date of Patent: Feb 27, 1990
Assignee: Kabushiki Kaisha Toshiba (Kawasaki)
Inventors: Takatomo Izume (Urawa), Michael Lalonde (Detroit, MI)
Primary Examiner: James R. Largen
Assistant Examiner: Jeffrey Asch
Law Firm: Oblon, Spivak, McClelland, Maier & Neustadt
Application Number: 7/178,446
Classifications
Current U.S. Class: D15/1441