Rotating String Slider to Reduce Slide Noise and Finger Strain
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional slide bars for stringed instruments produce noise due to friction during slide playing, affecting sound quality and causing strain on the player's fingers.
Innovation Solution
A slider for stringed instruments with a rotatable pressing portion that forms a press contact surface with the strings, reducing friction and noise by allowing rotational movement in accordance with the amount of slide.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a conventional slide bar is made to slide in press contact with the strings, then the pressing function is achieved, but slide noise is produced and sound quality deteriorates
Solution Approach 1:
The pressing portion is made rotatable around an axis perpendicular to the sliding direction, transforming the static pressing contact into a dynamic rolling motion. This allows the pressing portion to rotate as it moves along the string, converting sliding friction into rolling friction, thereby reducing slide noise while maintaining effective string pressing
Solution Approach 2:
The invention converts the harmful sliding friction that produces noise into beneficial rolling friction. By making the pressing portion rotatable, the previously harmful slide noise is eliminated and transformed into a beneficial rolling motion that maintains pressing effectiveness while reducing noise and improving sound quality
2Force
If the friction between the pressing bar and strings is increased, then the pressing effectiveness is improved, but slide noise increases
Solution Approach 1:
The pressing portion is designed to rotate around an axis perpendicular to the sliding direction, transforming static pressing into dynamic rolling motion. This maintains sufficient pressing force for effective string contact while converting harmful sliding friction into beneficial rolling friction, thereby reducing noise without sacrificing pressing effectiveness
Solution Approach 2:
The invention changes the motion parameter from pure sliding to rolling by introducing rotational movement. The pressing portion simultaneously translates along the string and rotates around its axis, changing the friction regime from sliding to rolling, which reduces noise while maintaining pressing force
3Device complexity
If a cylindrical pressing bar is used, then the structure is simple, but surface irregularities cause variable friction and noise
Solution Approach 1:
By making the pressing portion rotatable, the invention transforms the static contact of a simple cylindrical structure into a dynamic rolling motion. This maintains the simplicity of the cylindrical form while adding rotational capability, thereby eliminating noise caused by surface irregularities without significantly increasing structural complexity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Reduces friction-related noise and strain on the player's fingers, enabling mellifluous and deep sound alteration.
Implementation Method 1
the pressing portion is supported rotatably and configured to have an annular outer peripheral surface around a rotation axis of the pressing portion... the pressing portion made in press contact with the strings during slide playing by the player of the stringed instrument such as guitars is rotationally moved in accordance with the amount of slide, thus resulting in that the noise caused by friction between the strings and the pressing portion can be largely reduced
Data Source
AI summary
The present invention addresses the problem of providing a slider for a stringed instrument to ensure that improved sound quality and smooth slide operation are realizable when sliding in slide playing on the stringed instrument. This slider for the stringed instrument is provided with a portion to be held that is held by a finger, and a pressing portion that is supported on the portion to be held side and made to move in press contact with strings of the stringed instrument toward a string direction, the pressing portion being supported rotatably and configured to have an annular outer peripheral surface around a rotation axis of the pressing portion. The outer peripheral surface forms a press contact surface that is made in press contact with the strings, and the portion to be held is held by the finger pressing down the strings, with a neck of the stringed instrument grasped.