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. 03, 1983
Filed:
May. 19, 1981
Hideya Kondo, Kadoma, JP;
Youichi Yokoyama, Kadoma, JP;
Youichi Aoyama, Kadoma, JP;
Tamotsu Mori, Kadoma, JP;
Matsushita Electric Works, Ltd., Osaka, JP;
Abstract
A circuit breaker having a plurality of breaker units, in each of which a movable contact of a movable contactor is separated from and engaged with a fixed contact of a fixed contactor from the exterior of a breaker housing by a manual contact opening and closing mechanism which is made operative to close the contacts normally with a tripping link retained as locked to the mechanism and inoperative with the link released from the mechanism by a tripping means responsive to an excess current. The tripping link is operatively interconnected to those in other units through a single coupling rod to cooperate simultaneously with the releasing by the tripping means in either one of the units.