Patent ID: 9747873
Date: 2017-08-29
CPC Classifications: G10D

Claim:
1. A functional acoustic guitar comprising: a body having a top plate, a bottom plate and a side plate connecting the top plate and the bottom plate with each other; a neck fixed to one side of the body; a head disposed at an end portion of the neck; and a tone control member mounted at an inside of the body in such a manner as to be controlled in length to support a space between the top plate and the bottom plate of the body, wherein the tone control member comprises: a contacting and moving member; and a height control means expandably and contractably moving the contacting and moving member, wherein the contacting and moving member is formed of a contact member segmented into two parts and has a sectional shape of a cone, a conical frustum, or a cylinder, and wherein the height control means has a screw moving way so that the contact member segmented symmetrically into two parts is expanded and contracted.