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:
Aug. 10, 2021

Filed:

Dec. 27, 2019
Applicant:

Excel Cell Electronic Co., Ltd., Taichung, TW;

Inventors:

Ming-Chang Kuo, Taichung, TW;

Rong-Hong Lai, Taichung, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 50/04 (2006.01); H01H 50/18 (2006.01); H01H 50/58 (2006.01); H01H 49/00 (2006.01);
U.S. Cl.
CPC ...
H01H 50/041 (2013.01); H01H 49/00 (2013.01); H01H 50/18 (2013.01); H01H 50/58 (2013.01);
Abstract

An electromagnetic relay includes a base, an electromagnet disposed on the base, an armature unit having a magnetically attractive member magnetically attractable by the electromagnet, a movable terminal unit mounted on the armature unit and including a first terminal member and a first contact, and a stationary terminal member mounted on the base. The first terminal member is a two-piece structure composed of a spring plate and a first leg. A ratio of the thickness of the first leg to the thickness of the spring plate ranges from 2 to 4. When the electromagnet is energized and de-energized, the first contact contacts and moves away from the second contact, respectively. A method of making the electromagnetic relay is also disclosed.


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