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:
Oct. 02, 2018
Filed:
Sep. 11, 2014
Mitsubishi Electric Corporation, Chiyoda-ku, JP;
Masayuki Kakio, Chiyoda-ku, JP;
Munetaka Kashiwa, Chiyoda-ku, JP;
Shintaro Yamada, Chiyoda-ku, JP;
Toshihiro Matsunaga, Chiyoda-ku, JP;
Mitsubishi Electric Corporation, Chiyoda-ku, JP;
Abstract
A switchgear includes a stationary contact, a movable contact able to be shifted between a closed position and an opened position, an electromagnetic actuator able to generate power for shifting the movable contact, the electromagnetic actuator including a stator and a movable element, and a power transmission unit able to shift the movable contact, and to press the movable contact against the stationary contact. The power transmission unit includes a drive unit-side spring bearing portion able to be shifted together with the movable element, a contact-side spring bearing portion to be opposed to the drive unit-side spring bearing portion, and able to be shifted together with the movable contact, and a spring member provided between the drive unit-side spring bearing portion and the contact-side spring bearing portion.