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.:
Date of Patent:
Jan. 26, 2021
Filed:
Mar. 30, 2020
Applicant:
Primax Electronics Ltd., Taipei, TW;
Inventors:
Assignee:
PRIMAX ELECTRONICS LTD., Taipei, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01H 13/703 (2006.01); H01H 13/7065 (2006.01);
U.S. Cl.
CPC ...
H01H 13/7065 (2013.01); H01H 13/703 (2013.01); H01H 2227/036 (2013.01); H01H 2233/03 (2013.01);
Abstract
A keyboard device includes a membrane circuit board, a base plate, a coupling structure and a key structure. The base plate includes a substrate and a protrusion structure. The protrusion structure is bent and protruded upwardly from the substrate. A bent region is formed between the protrusion structure and the substrate. A coupling opening is formed in the bent region. The coupling structure filled in the coupling opening to cover the protrusion structure. The key structure includes a keycap and a connecting element. The connecting element is connected between the keycap and the coupling structure.