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. 12, 2021

Filed:

Aug. 27, 2020
Applicant:

Primax Electronics Ltd., Taipei, TW;

Inventors:

Chin-Sung Pan, Taipei, TW;

Chien-Hung Liu, Taipei, TW;

Lei-Lung Tsai, Taipei, TW;

Sheng-Fan Chang, Taipei, TW;

Tsu-Yi Chen, Taipei, TW;

Chun-Yuan Liu, Taipei, TW;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01H 13/14 (2006.01); H01H 13/70 (2006.01); H01H 13/10 (2006.01);
U.S. Cl.
CPC ...
H01H 13/70 (2013.01); H01H 13/10 (2013.01); H01H 13/14 (2013.01); H01H 2233/07 (2013.01);
Abstract

A keyboard device includes plural key structures. Each key structure includes a supporting plate, a keycap, a connecting member and a hook element. The keycap is located over the supporting plate, and movable upwardly or downwardly relative to the supporting plate. The connecting member is connected between the supporting plate and the keycap. The hook element is installed on the supporting plate. The connecting member is connected with the supporting plate through the hook element. The supporting plate is made of a first material with a first specific gravity. The hook element is made of a second material with a second specific gravity. The second specific gravity is higher than the first specific gravity.


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