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. 09, 1990
Filed:
Aug. 04, 1988
Keisuke Watanabe, Shizuoka, JP;
Yamaha Corporation, Hamamatsu, JP;
Abstract
There is disclosed a keyboard structure incorporated in an electronic keyboard instrument the keyboard structure including; a plurality of key members each having a depressible front end portion and a rear end portion; a plurality of flexible connecting members each merged with the rear end portion of each key member; a retainer member merged with the flexible connecting members for retaining a circuit board which carries a plurality of key switches; and a plurality of coupling members each having a first element merged with the rear end portion of each key member and a second element merged with the retainer member, and the first element is snapped into the second element, so that major members are simultaneously formed by a molding, thereby enhancing the assembling efficiency.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile