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:
Mar. 19, 2013
Filed:
Mar. 04, 2009
Takeshi Nishino, Shinagawa, JP;
Shuji Nakamua, Shinagawa, JP;
Takeshi Nishino, Shinagawa, JP;
Shuji Nakamua, Shinagawa, JP;
Fujitsu Component Limited, Tokyo, JP;
Abstract
A keyboard having: a base panel, a switch panel including a hole portion, a membrane sheet including a contact portion, a key top adapted to be depressed for switching the contact portion ON, and a housing supporting and guiding the key top to move freely in a vertical direction, including each a tube portion on an upper end side having a guide hole formed for inserting a stem formed integrally with the key top and a flange portion on an lower end side extending laterally around the tube portion in a size larger than the hole portion; wherein the housing is inserted into the hole portion from a back side of the switch panel, the flange portion being attached to the back side of the switch panel.