Patent · US Expired

Insulated type switching device

USRE37244E · kind E · reissue

0Cited by
5References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 29, 1999
Grant dateJun 26, 2001
Priority date
Expiry dateJan 29, 2019

Classification

  • Technology area (CPC —)General

Abstract

In an insulated type switching device, during rotation of a movable conductor 19 around a pivotal axis 35 between a stationary conductor 16 and a ground conductor 17 all of which are disposed in a vacuum vessel 12, the movable conductor 19 uninterruptedly takes four positions of closing position Y.sub.1, opening position Y.sub.2, disconnecting position Y.sub.3 and grounding position Y.sub.4, thereby a series of switching operations can be performed uninterruptedly, the operation and handling thereof are facilitated as well as the size of the insulated type switching device is reduced.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.