Importance

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Abstract

This invention relates to musical instruments. Its use for mounting a solenoid above a string of stringed instrument for pressing this string to a specific fret of finger-board allows to simplify that mounting and ensure the absence of the knock at a moment of actuating the solenoid. The method is implemented in a stringed instrument bearing, above a finger-board thereof, a common plate having through-holes under each solenoid comprising a coil, within which coil a plunger adapted for axial movement being disposed, the plunger tapering to an output stud thereof for limiting a working travel of the plunger with a stopper ring displaced at a coil edge facing the string, the output stud having thickening at an end with elastic washers at both the side facing the string and reverse side. The method includes steps of: securing the solenoid at a separate plate; disposing the separate plate above the common plate so that the thickening of the output stud permeates the respective through-hole; fixing the separate plate above the common plate, using adjusting screws with elastic spacers put thereupon between the separate plate and common plate, until the string being pressed with the stud on supplying a working current to the solenoid coil; shifting the separate plate using the adjusting screws in such a location that the pressure of the string occurs, on supplying the working current to the solenoid coil, without a knock arisen from an impact made by the plunger taper with the stopper ring.

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First Claim