FALLBOARD DEVICE OF KEYBOARD MUSICAL INSTRUMENT

摘要

PROBLEM TO BE SOLVED: To provide a fallboard device of a keyboard musical instrument that can make a rotation space for a fallboard rear small to compactly open and close a fallboard.

SOLUTION: The fallboard device 1 of the keyboard musical instrument 2 including the fallboard 9 is disclosed which is arranged between left and right arms 5 and 5 of a musical instrument body 3 and turnably opens and closes a keyboard KB. The fallboard 9 has a fallboard body 14 and a fallboard rear 17 turnably coupled with a rear end of the fallboard body 14 on a horizontal axis. The instrument comprises a stay 19 which is formed in an L shape of a 1st support part 19a and a 2nd support part 19b and supported on a fulcrum 23 at their corner part 19c turnably on a horizontal axis and also has the 1st support part 19a fixed to the fallboard body 14 and 2nd support part 19b engaged with the fallboard rear 17 in a free engagement/disengagement state and an opening-time stopper 24 which is provided to an arm 5 and stops the fallboard rear 17 from turning by abutting halfway in the turning of the fallboard 9 toward an opening position.

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