Portable power supply unit with AC-DC converter
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 rear and left side perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is a cross-sectional view thereof along the line A--A in FIG. 3.
The cross-sectional view is included for the purpose of showing external surface contours which may not be clear from the remaining illustrations. Any features of internal construction which are incidentally shown form 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.
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 pg. brochure) (date prior to Jun. 6, 1994).
Type: Grant
Filed: May 31, 1996
Date of Patent: Nov 11, 1997
Assignee: Sansaha Electric Manufacturing Co., Ltd. (Higashiyodogawa-ku)
Inventors: Masao Katooka (Kawanishi), Toru Arai (Shimochoja-machi), Shigeru Okamoto (Hirakata), Kenzo Danjo (Kyoto-fu), Masaharu Tanaka (Osaka)
Primary Examiner: Joel Sincavage
Attorneys: William H. Murray, Robert E. Rosenthal
Application Number: 0/55,205
International Classification: 1302;