Mute circuit for use in electronic piano, has releasing puppet bars fastened to hammer beam over hinges and held in its initial position through spring, and stop bar comprising L-shaped percussion felt for silent supporting of hammer

摘要

The circuit has movable releasing puppet bars (1) fastened to a hammer beam (12) over hinges (3) and held in its initial position through a spiral spring (2). A continuous triggering shaft is supported in adjustable retainers and connected to a mechanical support by a holder that is provided with longitudinal holes. An adjustable clamping mechanism is fastened to the triggering shaft and has an operating lever. A hammer-stop bar is designed in a flat or rectangular form and has an L-shaped percussion felt (6) for silent supporting of the hammer.