Switchgear operating mechanism

US9508514B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9508514-B2
Application numberUS-201514968128-A
CountryUS
Kind codeB2
Filing dateDec 14, 2015
Priority dateFeb 27, 2014
Publication dateNov 29, 2016
Grant dateNov 29, 2016

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

An electromagnetic rebound mechanism unit and a magnetic latch unit are fixedly installed between a switchgear and a spring drive unit by virtue of a rebound fixing member and a fixing yoke. The electromagnetic rebound mechanism unit includes a rebound coil fixedly secured to the rebound fixing member, a reinforcing plate fixedly secured to a movable shaft and a rebound ring fixedly secured to the reinforcing plate. The magnetic latch unit includes a permanent magnet fixedly secured to the rebound fixing member, a latch ring fixedly secured to the permanent magnet and a movable yoke fixedly secured to the movable shaft. The spring drive unit includes a support frame, a spring retaining plate, a circuit-opening spring, a damper unit, and first and second electromagnetic solenoids.

First claim

Opening claim text (preview).

What is claimed is: 1. A switchgear operating mechanism which operates a movable shaft extending from a movable electrode of a switchgear to thereby bring the movable electrode into contact or out of contact with a fixed electrode, comprising: an electromagnetic rebound mechanism unit; a magnetic latch unit; and a spring drive unit, wherein the electromagnetic rebound mechanism unit and the magnetic latch unit are fixedly installed between the switchgear and the spring drive…

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What does patent US9508514B2 cover?
An electromagnetic rebound mechanism unit and a magnetic latch unit are fixedly installed between a switchgear and a spring drive unit by virtue of a rebound fixing member and a fixing yoke. The electromagnetic rebound mechanism unit includes a rebound coil fixedly secured to the rebound fixing member, a reinforcing plate fixedly secured to a movable shaft and a rebound ring fixedly secured to …
Who is the assignee on this patent?
Toshiba Kk
What technology area does this patent fall under?
Primary CPC classification H01H33/38. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Nov 29 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).