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:
May. 27, 2014
Filed:
Jun. 04, 2010
Applicant:
Shigeru Yamada, Gunma, JP;
Inventor:
Shigeru Yamada, Gunma, JP;
Assignee:
Oki Electric Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 9/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is provided a keyboard structure capable of preventing a fingernail of a user from being inserted between key tops and achieving uniform illumination without illumination leakage. A key top body portion () and an upper sheet () are integrally formed to form a key top () and a flange portion () is formed by protruding the upper sheet () from the key top body portion () toward an outer circumferential direction. A frame () is disposed between the adjacent key tops () and a gap is closed by the flange portion () of the upper sheet () and a flange portion () of the frame ().