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:
Feb. 27, 2001
Filed:
Apr. 28, 2000
Applicant:
Inventors:
Katsuo Itou, Shizuoka-ken, JP;
Takashi Tamaki, Shizuoka-ken, JP;
Assignee:
Yamaha Corporation, Hamamatsu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10H 1/32 ;
U.S. Cl.
CPC ...
G10H 1/32 ;
Abstract
An acoustic piano is equipped with a shank stopper moved into and out of trajectories of hammer assemblies and a change-over mechanism for changing the shank stopper, and the change-over mechanism has a pedal, a transmitter connected to the pedal and another transmitter held in contact with the transmitter for transmitting force exerted on the pedal to the shank stopper, wherein the transmitters are only restricted in the direction to transmit the force from the pedal to the shank stopper so that the transmitters are independently disassembled and regulable.