SUPPORTING STRUCTURE OF ACTION ASSEMBLY

摘要

PURPOSE: To make it possible to prevent the deviation in the adjustment of piano action by environmental humidity, etc., and to provide a function of the supporting structure pedal of an easy-to-mount action assembly. CONSTITUTION: This supporting structure is composed by supporting and fixing the action assembly 11 consisting of a horizontally disposed center rail 10 and the many piano actions 9 fixed to this center rail 10 to a frame 8 via supporting means 12.