Driving unit for an electrode shaping device

Description

FIG. 1 is a rear elevational view of a driving unit for an electrode shaping device showing our new design;

FIG. 2 is a front elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view; and,

FIG. 7 is a rear perspective view thereof, the cutter has been omitted for convenience of illustration.

Referenced Cited
U.S. Patent Documents
D101532 June 1935 Holslag
D191556 October 1961 Fleming et al.
D284391 June 24, 1986 Obenski
594839 November 1897 Cornell
3097629 July 1963 Fleming et al.
3515187 June 1970 London
Foreign Patent Documents
220105 March 1910 DE2
Patent History
Patent number: D305238
Type: Grant
Filed: May 26, 1987
Date of Patent: Dec 26, 1989
Assignee: Rotech Tooling AB (Gotenburg)
Inventors: Joachim S. Aronsson (Hono), Oskar W. Leander (Gothenburg), Erik R. Melin (Lerum)
Primary Examiner: James R. Largen
Assistant Examiner: Jeffrey Asch
Law Firm: Young & Thompson
Application Number: 7/53,672
Classifications