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.

Date of Patent:
Oct. 28, 2025

Filed:

May. 19, 2020
Applicant:

Hitachi Energy Ltd, Zürich, CH;

Inventors:

Chao Xu, Beijing, CN;

Hua Zhao, Beijing, CN;

Xiaoli Yang, Beijing, CN;

Zhipeng Yuan, Beijing, CN;

Assignee:

HITACHI ENERGY LTD, Zürich, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 3/26 (2006.01); H01H 3/40 (2006.01);
U.S. Cl.
CPC ...
H01H 3/26 (2013.01); H01H 3/40 (2013.01);
Abstract

The apparatus includes a shaft rotatable to a plurality of predetermined positions to change a state of an electric switching device, a motor rotating the shaft via a transmission mechanism when the apparatus operates in an electric operating mode, and a braking mechanism configured to brake the motor in response to the shaft rotated to each position. The apparatus also includes a disc coupled to, and rotatable with the shaft and including a plurality of blocking parts and slots therebetween and a manual lever including a rotatable part and a projecting part arranged at an end thereto. In an apparatus manual operating mode, the projecting part is rotatable into the disc via one of the slots when the shaft is located at one of the positions, and slides out from the disc via another slot when the shaft is rotated to another one of the positions.


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