Changing key terminal position limiter for key button shape accordion
A limiting device, the technology of the accordion, applied in the direction of the accordion, wind instruments, instruments, etc., can solve the problems of shifting piece shifting, lax closing, insufficient opening of the sound-changing valve piece, etc.
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[0010] see figure 1 , The button-shaped accordion conversion key terminal limiting device of the present invention is mainly composed of a bracket 1 and a limiting mechanism 2.
[0011] Described support 1 has two, each one of front and rear, and two support 1 front and rear devices are on the soundboard 3 of accordion.
[0012] Described position-limiting mechanism 2 has two sets, and every cover position-limiting mechanism 2 is made of sound-changing movable sheet 21, upper pull-out bar 22, roller shaft 23, lower pull-out bar 24, sound-changing valve sheet 25, limit frame 26, pendulum Rod 27, spring 28 and fork seat 29 and composition.
[0013] One end of the movable sheet 21 for changing the sound is connected with the sound changing key of the accordion, and the other end is hinged with one end of the upper pulling rod 22 , and the other end of the upper pulling rod 22 is riveted with the roller 23 . The two ends of the roller 23 are installed on the front and rear two s...
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