PIANO KEY SWITCH WITH CONTACT SWITCHING DISPLAY FUNCTION

摘要

PURPOSE: To shorten the length of the whole display body including a coil spring and prevent the shape of a piano key handle from being restricted. ;CONSTITUTION: A piano key handle switch is provided with a display body 70 slidably fitted to a piano key handle 43 and displaying the contact switching state. The display body 70 is formed on a reversing handle 31 and is driven when the reversing handle 31 is rotated. A spring reception section 120 is protruded at the end of the side section of the display body 70 on the opposite side to the sliding direction of the display body 70 by a drive piece 71. One end section of a coil spring 78 for energizing the display body 70 in the opposite direction to the direction slid by the drive piece 71 is supported on the spring reception section 120. The length of the whole display body 70 including the coil spring 78 is shortened.;COPYRIGHT: (C)1994,JPO&Japio