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:
Dec. 23, 2014
Filed:
Sep. 12, 2013
Yamaha Corporation, Hamamatsu-Shi, Shizuoka-Ken, JP;
Ryuji Hashimoto, Hamamatsu, JP;
Yamaha Corporation, Hamamatsu-Shi, Shizuoka-Ken, JP;
Abstract
An acoustic drumhas a hollow cylindrical shell, a drumheadmounted to an opening end of the shellto form a striking surface, a striking surface attachmentprovided on the entire surface of a useful movable portion of the front side of the drumhead, and a striking surface attachmentprovided on the entire surface of a useful movable portion of the reverse side of the drumhead. Each of the striking surface attachmentsandis formed of a resin film, with respective outer areas of the striking surface attachmentsandbeing fixed to the drumhead. As a result, the acoustic drumcan reduce sound volume, while maintaining struck sounds having brightness and providing a player with favorable feeling of striking.