Removable String Instrument Bridge via Tension Mounting
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Solution Overview
Problem
Existing string instrument bridges lack the ability to be removably secured, limiting their positioning flexibility while maintaining sonic characteristics.
Innovation Solution
A bridge design with a nose floor and prong top configuration that is releasably mounted onto the sound table, secured by string tension, allowing for easy insertion and removal through transverse slots, and featuring optional prongs projecting from the ridge back for enhanced stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the bridge is made permanently fixed to the sound table, then the sonic characteristics are stable, but the positioning flexibility is limited
Solution Approach 1:
The bridge is designed with a dynamic mounting system that allows it to be securely fixed during performance (providing stability) but easily removed and repositioned when needed (providing flexibility). The bridge features mounting holes that align with slots in the sound table, enabling controlled movement between fixed and movable states.
Solution Approach 2:
The bridge is designed as a separate, modular component that can be independently mounted and removed from the sound table. This segmentation allows the bridge to be treated as a distinct element that can be repositioned without affecting the integrity of the sound table or other instrument components.
2Adaptability or versatility
If the bridge is made removable for repositioning, then the positioning freedom is improved, but the risk of loose or unstable mounting increases
Solution Approach 1:
The mounting system transitions from a static permanent attachment to a dynamic removable attachment. The bridge includes mounting holes that engage with slots in the sound table, allowing the bridge to be securely fixed when positioned correctly but easily removed by lifting. This dynamic system provides positioning freedom without requiring complex fastening mechanisms.
Solution Approach 2:
The slots in the sound table act as an intermediary mechanism between the bridge and the instrument body. These slots guide the bridge into proper positioning and provide lateral support while allowing vertical removal, simplifying the mounting mechanism compared to traditional permanent attachment methods.
3Ease of operation
If the bridge uses traditional permanent attachment, then the mounting is stable, but the assembly and disassembly process is complex
Solution Approach 1:
The bridge mounting system is designed to be dynamically changeable between assembled and disassembled states. When assembled, the bridge sits securely on the sound table with mounting holes aligned over slots, providing stability. For disassembly, the bridge is simply lifted vertically to disengage from the slots, making the process simple and quick without requiring tools or complex procedures.
Solution Approach 2:
Instead of using complex fastening mechanisms that require multiple steps to assemble and disassemble, the design inverts the approach by using a simple lift-off mechanism. The bridge is designed to be removed by applying upward force, reversing the typical approach where removal requires undoing fasteners. This inversion greatly simplifies the assembly and disassembly process while maintaining mounting stability during use.
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
Enables greater freedom in positioning while maintaining or improving the sonic characteristics of the string instrument by securely wedging the bridge onto the sound table with string tension, facilitating easy assembly and disassembly without compromising sound quality.
Implementation Method 1
at least one string bears down on the bridge, thus securing the bridge onto the sound table
Data Source
AI summary
A string instrument comprising an instrument body, a neck, a bridge, and at least one string extending forwardly and rearwardly over the instrument body. The instrument body is topped by a sound table. The bridge may be removably located onto the sound table by virtue of a tension applied to the at least one string.