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:
Nov. 16, 2021

Filed:

Oct. 27, 2020
Applicant:

Primax Electronics Ltd., Taipei, TW;

Inventors:

Lei-Lung Tsai, Taipei, TW;

Chuang-Shu Jhuang, Taipei, TW;

Song-Hui Han, Taipei, TW;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 13/70 (2006.01); H01H 13/7065 (2006.01);
U.S. Cl.
CPC ...
H01H 13/7065 (2013.01); H01H 2233/07 (2013.01);
Abstract

A keyboard device includes a base plate, a membrane circuit board and a key. The key includes a keycap, a connecting assembly, a first stabilizer bar and a second stabilizer bar. The connecting assembly is connected between the keycap and the base plate. The first stabilizer bar and the second stabilizer bar are connected between the keycap and the connecting assembly. While the keycap is moved upwardly or downwardly relative to the base plate, the first stabilizer bar and the second stabilizer bar are swung to stabilize the key. Since the first stabilizer bar and the second stabilizer bar are connected between the keycap and the connecting assembly, the first stabilizer bar and the second stabilizer bar will not readily collide with or knock on the base plate. During the operation, the generated noise is reduced. Consequently, the operating comfort to the user is enhanced.


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Tsai, Lei-Lung. (2021). Keyboard device (U.S. Patent No. 11177091). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11177091

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