Portable power supply unit with AC-DC converter
Description
FIG. 1 is a front and right side perspective view of a portable power supply unit with AC-DC converter showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
The rear surface of the unit forms no part of the claimed design.
The portable power supply unit with AC-DC converter of our new design is a portable power supply unit for converting AC power to DC power and supplying DC power to, for example, an arc welder or a plasma arc cutter.
Referenced Cited
U.S. Patent Documents
Other references
D264962 | June 15, 1982 | Fellmann |
D276495 | November 27, 1984 | Sylvia |
D280318 | August 27, 1985 | Barone |
D311899 | November 6, 1990 | Lenzing et al. |
D334560 | April 6, 1993 | Wilson |
4295179 | October 13, 1981 | Read |
4300087 | November 10, 1981 | Meisner |
- Sanrex Arc Friend (4 page brochure) (date prior to Jun. 1, 1994).
Patent History
Patent number: D377335
Type: Grant
Filed: Jun 1, 1995
Date of Patent: Jan 14, 1997
Assignee: Sansha Electric Manufacturing Company, Limited (Osaka)
Inventors: Masao Katooka (Kawanishi), Toru Arai (Kamigyo-ku), Shigeru Okamoto (Hirakata), Kenzo Danjo (Soraku-gun), Masaharu Tanaka (Osaka)
Primary Examiner: Joel Sincavage
Attorneys: William H. Murray, Robert E. Rosenthal
Application Number: 0/39,633
Type: Grant
Filed: Jun 1, 1995
Date of Patent: Jan 14, 1997
Assignee: Sansha Electric Manufacturing Company, Limited (Osaka)
Inventors: Masao Katooka (Kawanishi), Toru Arai (Kamigyo-ku), Shigeru Okamoto (Hirakata), Kenzo Danjo (Soraku-gun), Masaharu Tanaka (Osaka)
Primary Examiner: Joel Sincavage
Attorneys: William H. Murray, Robert E. Rosenthal
Application Number: 0/39,633
Classifications
Current U.S. Class:
Transformer, Rectifier Or Casing Therefor (3) (D13/110)