Elastic Bow Attachment for Sound Quality and Hand Comfort
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Solution Overview
Problem
The sound of stringed instruments is negatively affected by a cramped hand position and rigid coupling between the hand and bow, leading to undesirable 'scratching' sounds.
Innovation Solution
A bow attachment made of elastic material is introduced to influence the vibration behavior of the strings, featuring a support element, gripping surfaces, and stabilizing surfaces to promote a relaxed hand position and improve sound quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If a rigid coupling between hand and bow is used to transmit power, then power transmission is improved, but hand position becomes cramped and scratching sounds occur
Solution Approach 1:
The elastic attachment material acts as an intermediary between the player's hand and the bow, allowing power transmission while accommodating hand position variations and preventing direct rigid coupling that causes scratching sounds
Solution Approach 2:
The elastic material changes the mechanical coupling parameters between hand and bow, transforming the rigid connection into a flexible one that maintains power transmission while reducing cramped hand positioning
2Reliability
If an elastic attachment is added to influence vibration behavior, then sound quality is improved, but device complexity increases
Solution Approach 1:
The attachment uses an elastic material in the form of a thin film or shell that conforms to the bow surface, providing vibration influence and sound quality improvement while adding minimal structural complexity
Solution Approach 2:
The attachment is made from elastic material that combines damping and vibration-influencing properties, achieving improved sound quality through material selection rather than complex mechanical structures
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
The attachment enhances sound quality by increasing volume, making the sound more intense, fuller, and cleaner, while reducing finger fatigue and preventing technical errors like 'scratching', allowing for optimal power transmission and longer playing sessions.
Implementation Method 1
As a kind of damping element, this supports a relaxed hand position and thus leads to an improvement in the sound
Implementation Method 2
Here, the stick-slip effect is used, which leads to a rapid alternation of static friction and movement between bow hair and string, which stimulates the string to vibrate
Implementation Method 3
The bow covering, called cover, is typically made of horsehair, which is rubbed with rosin to increase static friction
Data Source
Figure 1~2
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AI summary
The invention relates to a bow attachment (1) consisting of an elastic material for a bow of a stringed instrument. Said bow attachment comprises an elongate support element (2) which is adapted to rest on a handle end of the bow on a bow stick, a first and a second securing element (16, 18) which are mounted on the two ends of the elongate support element. The first securing element (18) is adapted so that it can be secured to a bow, and the second securing element (16) is adapted so that it can be secured to the bow stick; a first gripping surface (10) is mounted on a longitudinal side of the securing element, a stabilising surface (6) and a second gripping surface (8) are mounted on the longitudinal side of the support element opposite the first gripping surface. A first section (12) of the first gripping surface and the stabilising surface (6) are adapted to at least partially rest on opposite sides of a bow frog. A second section (14) of the first gripping handle and the second gripping handle (8) are adapted to at least partially rest on opposing sides of the bow frog and respectively, has a width perpendicular to the longitudinal side of the support element which are adapted to be smaller than the distance of a bow covering to an upperside of the bow stick. The support element (2), the stabilizing surface (6) and the first and second gripping surfaces (8, 10) are provided with knobs.