The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 28, 1984
Filed:
Jan. 30, 1981
Shinzo Sakuma, Yokohama, JP;
Hifumi Yanagisawa, Sagamihara, JP;
Kazuo Tokuhata, Yamanishi, JP;
Hiroshi Miyagawa, Yokohama, JP;
Kabushiki Kaisha Meidensha, Tokyo, JP;
Kabushiki Kaisha GEMV AC, Tokyo, JP;
Abstract
A vacuum vessel 17 comprises a bell shaped metallic casing 20, and an insulating circular end plate 21 hermetically brazed to the opening end of the metallic casing 20. A vacuum interrupter 2 is constituted by aligning a stationary contact rod 27 with a movable contact rod 25, each having an electrical contact 18, 19 within the vessel so that the latter is in contact with the former or away therefrom. A vacuum power interrupting device comprises an insulating block 4 mounted on the vacuum interrupter so that the outer surface of the insulating end plate 21 attached to the opening end of the vacuum interrupter is pressed onto the insulating block through a sealing member 11.