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
Foreign 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 |
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
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
Current U.S. Class:
Cutting Tool, E.g., Drill Bit, Etc. (D15/139)