Vacuum circuit breaker
Latest Kabushiki Kaisha Toshiba Patents:
- ENCODING METHOD THAT ENCODES A FIRST DENOMINATOR FOR A LUMA WEIGHTING FACTOR, TRANSFER DEVICE, AND DECODING METHOD
- RESOLVER ROTOR AND RESOLVER
- CENTRIFUGAL FAN
- SECONDARY BATTERY
- DOUBLE-LAYER INTERIOR PERMANENT-MAGNET ROTOR, DOUBLE-LAYER INTERIOR PERMANENT-MAGNET ROTARY ELECTRIC MACHINE, AND METHOD FOR MANUFACTURING DOUBLE-LAYER INTERIOR PERMANENT-MAGNET ROTOR
Description
FIG. 1 is a front, top and right side perspective view of a vacuum circuit breaker, showing our new design;
FIG. 2 is a rear, top 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 reference view view showing our new design in the state of use. The broken line showing is included for the purpose of illustrating environmental structure only and forms no part of the claimed design.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
3928716 | December 1975 | Marrero |
4403124 | September 6, 1983 | Perkins et al. |
4839477 | June 13, 1989 | Orosz et al. |
4879441 | November 7, 1989 | Hamm et al. |
4950178 | August 21, 1990 | Harvey et al. |
D576608 | May 1982 | JPX |
D576681 | May 1982 | JPX |
D583911 | September 1982 | JPX |
D731712 | May 1988 | JPX |
D812189 | May 1991 | JPX |
D819839 | October 1991 | JPX |
Patent History
Patent number: D350729
Type: Grant
Filed: Mar 22, 1993
Date of Patent: Sep 20, 1994
Assignee: Kabushiki Kaisha Toshiba (Kawasaki)
Inventors: Takayuki Miyazawa (Tama), Junji Fujiwara (Oume), Kimiya Sato (Tokorozawa), Makoto Taniguchi (Fuchu), Satoshi Ogawa (Fuchu), Akihiko Konno (Tokyo), Hideki Tsuboi (Koganei)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Law Firm: Oblon, Spivak, McClelland, Maier & Neustadt
Application Number: 8/6,162
Type: Grant
Filed: Mar 22, 1993
Date of Patent: Sep 20, 1994
Assignee: Kabushiki Kaisha Toshiba (Kawasaki)
Inventors: Takayuki Miyazawa (Tama), Junji Fujiwara (Oume), Kimiya Sato (Tokorozawa), Makoto Taniguchi (Fuchu), Satoshi Ogawa (Fuchu), Akihiko Konno (Tokyo), Hideki Tsuboi (Koganei)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Law Firm: Oblon, Spivak, McClelland, Maier & Neustadt
Application Number: 8/6,162
Classifications
Current U.S. Class:
Circuit Breaker, Current Suppressor Or Fuse, Or Casing Therefor (19) (D13/160)