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:
May. 01, 1984
Filed:
Oct. 09, 1981
Kabushiki Kaisha Meidensha, Tokyo, JP;
Abstract
A vacuum interrupter comprising a pair of fixed and movable electrode rods having a flange portion identical shape, a pair of fixed and movable electrodes of the magnetic arc driving type having a central hole and two annular recessed fitting portions of identical depth on the upper and lower surfaces thereof, respectively, and a contact member having a flange portion; the annular recessed fitting portions of the electrodes being formed to match the flange portion of the electrode rod and also with the flange portion of the contact member so that a single form of electrode rods and a single form of electrodes can be used in common in cooperation with the contact member, and the number of elements and the manufacturing cost can be reduced when two different material contacts are used for prevention of fusion sticking.