Guitar Bridge Spring Retainer Tool-Free Attachment
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Solution Overview
Problem
Conventional stringed instruments face challenges in securing components like bridges and tailpieces to the guitar body independently of the strings, leading to alignment issues and the need for special tools during maintenance and repair.
Innovation Solution
The use of a plurality of attachment devices and a biasing element, such as an annular spring retainer with protrusions, to securely attach the components to the guitar body without requiring additional tools, ensuring they remain in place during maintenance and repair.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If set screws are used to threadably secure the bridge and tailpiece to the posts, then the components are securely attached to the guitar body, but special tools are required for attachment and maintenance
Solution Approach 1:
The spring retainer is designed to be manually installed and removed by the user without requiring any special tools. The component serves itself by using the natural spring pressure to maintain constant contact with the post, providing secure attachment while allowing easy user maintenance through simple manual manipulation.
2Device complexity
If the bridge and tailpiece are held in place only by string tension, then the structure remains simple, but the components can move out of alignment or fall off when strings break or during maintenance
Solution Approach 1:
The attachment system is divided into separate functional elements: the bridge or tailpiece component, the post, and the spring retainer. This segmentation allows each element to perform its specific function independently while working together as a system, providing reliable attachment without requiring complex integrated structures.
Solution Approach 2:
The spring retainer provides dynamic attachment by maintaining constant contact pressure with the post through its inherent spring pressure. This dynamic system adapts to variations in post position and component alignment, ensuring reliable attachment while allowing for minor adjustments and movements without losing security.
3Reliability
If Gotoh spring elements are used to retard entry and exit of posts, then some security is provided, but the posts cannot be completely secured and additional set screws are needed
Solution Approach 1:
The spring retainer is designed as a universal component that performs multiple functions: it secures the post in place, maintains constant contact pressure for stable string attachment, and allows easy manual installation and removal. This multi-functional design eliminates the need for additional set screws or complex locking mechanisms required by previous Gotoh designs.
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 solution provides a secure, tool-free attachment system for instrument components, preventing movement and alignment issues, thus reducing the need for retuning the entire guitar even when a single string is damaged or replaced.
Implementation Method 1
A biasing element is positioned in each attachment aperture wherein each biasing element engages one of the attachment devices. Each biasing element includes a plurality of protrusions wherein each protrusion biases the attachment device toward the center of the attachment aperture.
Data Source
AI summary
Included herein is an instrument component for mounting to the body of an instrument having strings, for example a guitar. The instrument component comprises a plurality of attachment devices, an elongated bracket, and a biasing element. The elongated bracket includes a plurality of attachment apertures where each aperture includes a center and is shaped to accept one of the attachment devices. A biasing element is positioned in each attachment aperture wherein each biasing element engages one of the attachment devices. Each biasing element includes a plurality of protrusions wherein each protrusion biases the attachment device toward the center of the attachment aperture.