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.:

US 7732686 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 08, 2010

Filed:

May. 24, 2005
Applicant:

Tsutomu Yamaguchi, Hamamatsu, JP;

Inventor:

Tsutomu Yamaguchi, Hamamatsu, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10C 3/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

A stopper for a keyboard-based musical instrument is provided for accomplishing a good stopping feeling of a pivotable member, thereby making it possible to improve a touch feeling and restrain collision noise and other noise. A stopperfor a keyboard-based musical instrument with which a pivotable membercomes into contact while said pivotal member pivotally moves in association with a key touch, thereby restraining the pivotal movement of said pivotable member, comprises a mass, a first cushionlaminated on a front side of said mass, and a second cushionlaminated on a back side of said mass. Preferably, the massis made of a metal, and the first cushionis harder than the second cushion


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Yamaguchi, Tsutomu. (2010). Stopper for keyboard-based musical instruments (U.S. Patent No. 7732686). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7732686

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