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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.:

US 12776460 B1

PDFFull Text
Date of Patent:
Oct. 27, 2026

Filed:

Jan. 31, 2024

Three-stage control mechanism of explosion-proof switch

Applicants:

Switchlab Inc., New Taipei City, TW;

Switchlab (Shanghai) Co., Ltd., Shanghai City, CN;

Gaocheng Electronics Co., Ltd., Guangdong Province, CN;

Inventors:

Chih-Yuan Wu, New Taipei City, TW;

Wen-Bing Hsu, New Taipei City, TW;

Assignees:

SWITCHLAB INC., New Taipei City, TW;

Switchlab (Shanghai) Co., Ltd., Shanghai City, CN;

GAOCHENG ELECTRONICS CO., LTD., Shenzhen, CN;

Attorney:

Rosenberg, Klein & Lee

Primary Examiner:

Ahmed M Saeed

Int. Cl.
CPC ...
H01H 19/14 (2006.01); H01H 9/04 (2006.01); H01H 19/06 (2006.01); H01H 19/46 (2006.01);
U.S. Cl.
CPC ...
H01H 19/46 (2013.01); H01H 9/045 (2013.01); H01H 19/06 (2013.01); H01H 19/14 (2013.01);
Abstract

A three-stage control mechanism of an explosion-proof switch has a rotating unit and an interconnecting unit. The rotating unit has a first drive portion and a second drive portion that are selectively operated and reciprocated. The interconnecting unit includes a retaining seat and a connecting member. A switch unit is connected to the connecting member. An intermediate sleeve is insertedly connected to the connecting member and extends into the retaining seat. An outer sleeve is tightly sleeved on an outer wall of the intermediate sleeve. The outer sleeve is in tight fit with the retaining seat. A movable cover is provided between the outer sleeve and the rotating unit. A connecting rod assembly includes a first connecting rod and a second connecting rod that are inserted in the intermediate sleeve. The first and second connecting rods are respectively driven by the first and second drive portions.

Find Patent Forward Citations

Wu, Chih-Yuan. (2026). Three-stage control mechanism of explosion-proof switch (U.S. Patent No. 12776460). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12776460

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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