FIELD: physics.
SUBSTANCE: piano double repetition mechanism comprises at least one spring 22, one end of which interacts with the upper part of a jack 8. The mechanism further includes at least one bar mounted on at least two pins 23 which pass through openings in the bar and are mounted on the main rail 4. The second end of the spring 22 is connected to the board.
EFFECT: easier installation of the piano double repetition mechanism into a piano mechanism overall, without dismantling the latter.
18 cl, 6 dwg
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