Acoustic Guitar Neck Support Structure for Independent Soundboard Tuning
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Solution Overview
Problem
Existing acoustic guitars face constraints in structural design that limit the tuning and acoustic response of the top and back due to their role in supporting the neck, leading to energy loss and undesirable acoustic characteristics.
Innovation Solution
A novel integral neck support structure within the guitar body, connected to the sides and not directly to the top or back, allows the top and back to be structurally relieved from supporting the neck, enabling independent tuning and enhanced acoustic performance by minimizing energy loss and allowing flexible bracing and mass loading.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the top and back directly support the neck, then structural strength is improved, but acoustic response and energy transfer deteriorate
Solution Approach 1:
The support function is segmented into two independent systems: the neck support structure (connected to sides) and the top/back (connected to strings). This separation allows the top and back to focus solely on acoustic function while the dedicated support structure handles mechanical loads, eliminating energy loss through the top and back.
Solution Approach 2:
The sides act as an intermediary element, connecting the neck support structure to the body without requiring the top or back to bear neck loads. This mediator approach allows independent optimization of structural support and acoustic performance.
2Stability of the object's composition
If the top and back support the neck, then structural stability is improved, but tuning flexibility deteriorates
Solution Approach 1:
By segmenting the support function into a dedicated neck support structure, the top and back are freed from structural constraints, allowing independent tuning of their bracing patterns, thickness, and mass without compromising neck stability.
Solution Approach 2:
The neck support function is extracted from the top and back, allowing these components to be optimized purely for acoustic performance. The support role is taken out and assigned to a separate structure connected to the sides.
3Loss of energy
If the top and back are relieved from supporting the neck, then acoustic response is improved, but structural complexity increases
Solution Approach 1:
The neck support structure is merged with the sides to form a unitary structure, reducing the number of separate components. This integration achieves the acoustic benefits of relieving the top and back while minimizing structural complexity through consolidation.
Solution Approach 2:
The sides serve multiple functions: they form the body structure, provide attachment points for the neck support structure, and act as the intermediary that transfers neck loads without requiring the top or back to bear these loads.
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
This design enhances the acoustic response by increasing energy transfer to the top, improving lower frequency range and reducing feedback, while allowing for more flexible tuning of the top and back resonant frequencies, resulting in improved sound quality.
Implementation Method 1
the back includes a cutout and a removable plug or cover for mass loading to tune the resonant frequency of the back
Implementation Method 2
less energy is lost from string vibration into the neck structure and back, which drives more energy into the top
Data Source
AI summary
Acoustic guitar neck support systems and methods for constructing are disclosed. In many embodiments of the invention, an acoustic guitar includes a body including a top, a back, and sides forming an internal cavity, a neck, an integral neck support structure configured to support the neck, the neck support structure operatively connected to the sides and not directly connected to the top or the back, the neck support structure comprising a central support region positioned within the internal cavity and at least one arm extending from the central support region to the sides, wherein the top and the back are each attached to the sides and are structurally relieved from supporting the neck in shear.