Bowed Instrument Tailpiece with Arcuate Triangular Shape
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Solution Overview
Problem
Conventional bowed instrument tailpieces are complex and do not significantly impact sound quality, limiting the instrument's resonance and playability.
Innovation Solution
A bowed instrument with a tailpiece featuring an arcuate triangular shape, made of multilayered materials with asymmetrically shaped bores for string attachment, reducing string resistance and enhancing resonance control, allowing for more uniform string stretching and easier handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional tailpiece designs are used, then the structure is simple and easy to manufacture, but the sound quality is limited and resonance is not significantly improved
Solution Approach 1:
The tailpiece is constructed from multiple materials including wood (maple or ebony), metal (brass or steel), and synthetic materials (nylon or plastic). This composite structure allows each material to contribute its unique properties: wood provides resonance and warmth, metal adds strength and brightness, while synthetic materials offer durability and consistency. The combination resolves the contradiction by achieving superior sound quality through material diversity while maintaining manufacturability through established composite construction techniques.
Solution Approach 2:
The tailpiece is divided into distinct functional segments: the main body for structural support, the string attachment points for tension distribution, the resonance chamber for sound amplification, and the bridge connection for vibration transmission. This segmentation allows each component to be optimized independently for its specific function while maintaining overall simplicity in manufacturing. Each segment can be crafted from appropriate materials and assembled using standard joinery techniques.
2Reliability
If complex tailpiece designs are used, then sound quality may be improved, but the device complexity increases
Solution Approach 1:
The tailpiece is designed to perform multiple functions simultaneously: it anchors the strings, amplifies vibrations, controls resonance, distributes tension, and transmits energy to the bridge. By integrating these functions into a single unified structure rather than separate components, the design achieves superior sound quality without increasing overall device complexity. The multi-functionality is achieved through careful geometric design and material selection rather than adding numerous separate parts.
Solution Approach 2:
The tailpiece merges the functions of string attachment, resonance control, and vibration transmission into a single integrated component. Rather than using separate mechanisms for each function, the design combines them into one unified structure that performs all tasks simultaneously. This merging reduces the number of parts and simplifies the overall device while maintaining or enhancing sound quality through the synergistic interaction of its integrated functions.
3Device complexity
If uniform string attachment is used, then the structure is simple, but string resistance is high and playability is reduced
Solution Approach 1:
The tailpiece incorporates locally optimized attachment points with varying geometries and material properties tailored to each string's specific requirements. Each string attachment location features customized hole shapes, sizes, and angles that reduce friction and resistance for that particular string. The local quality varies across the tailpiece surface, with softer, more compliant areas near attachment points to minimize resistance while maintaining overall structural integrity. This localized optimization improves playability without requiring complex overall restructuring.
4Ease of manufacture
If the tailpiece is made of single material, then manufacturing is easier, but resonance control and tone range are limited
Solution Approach 1:
The tailpiece utilizes composite construction with distinct material layers or sections: a wooden core (maple or ebony) for fundamental resonance, metal inserts (brass or steel) for brightness and projection, and synthetic components (nymon or plastic) for durability and tonal balance. This multi-material approach expands the available tone range by combining the complementary acoustic properties of different materials while maintaining manufacturability through established composite woodworking and assembly techniques.
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 new tailpiece design improves sound sensitivity, reduces string resistance, and enhances playability, resulting in a richer, more dynamic sound with better tone range and reduced wolf tones, making the instrument easier to play and tune.
Implementation Method 1
The new tailpiece design improves sound sensitivity, reduces string resistance, and enhances playability, resulting in a richer, more dynamic sound with better tone range and reduced wolf tones
Implementation Method 2
enhancing resonance control, allowing for more uniform string stretching and easier handling
Data Source
AI summary
The object of the invention is a bowed instrument comprising a body (2) and a neck (1), the upper face of the body (2) being the top plate (4), at the bottom of which a tailpiece is disposed secured to the bottom of the instrument, the strings (14) being disposed in a tensioned state, supported from below by a bridge, between the tailpiece and the scroll (8) of the neck (1). The bowed instrument according to the invention comprises a tailpiece (16) that is adapted to retain the bottom portion of the strings (14), has an arcuate triangular shape, has an asymmetrically shaped body made of a multilayered material, and is rounded along the periphery of its body, wherein bores (20) adapted for receiving the strings (14) are disposed at the bottom corner (a) and along the arced portion (9) extending between the two upper corners (b, c) thereof.