Machine Head Adapter for Misaligned Stringed Instrument Mounting
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Solution Overview
Problem
Musicians face challenges when replacing machine heads on stringed instruments due to differing mounting base configurations and screw hole positions, which often require modifying the headstock, potentially damaging the instrument and altering its sound characteristics.
Innovation Solution
The development of machine head adapters that provide a base section with aligned mounting points and a support extension with adjustable set screws to secure machine heads with misaligned screw holes, allowing for replacement without altering the instrument's existing mounting holes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If machine heads with different mounting base configurations are used to replace existing machine heads, then the musician can achieve preferred machine head action or replace damaged machine heads, but the mounting base screw holes will not align with existing mounting holes on the instrument
Solution Approach 1:
The patent introduces a mounting adapter as an intermediary component that bridges the mismatch between machine head screw holes and instrument mounting holes. The adapter includes a base portion that attaches to the instrument at existing mounting holes and an extension portion that provides aligned screw holes for the machine head, thereby mediating the alignment issue without requiring modification to either the instrument or machine head.
2Adaptability or versatility
If new mounting holes are created in the headstock to accommodate machine heads with different screw hole configurations, then the machine heads can be mounted, but the instrument's appearance is defaced and its value is reduced
Solution Approach 1:
The mounting adapter is designed to be installed beforehand on the instrument at the existing mounting holes. This preliminary installation creates a prepared interface that accepts machine heads with different screw hole configurations without requiring any subsequent modification to the instrument's headstock, thereby preventing damage and preserving appearance.
3Adaptability or versatility
If new mounting holes are created in the headstock to accommodate different machine head configurations, then the machine heads can be mounted, but existing mounting holes are left exposed and the instrument's sound characteristics are altered
Solution Approach 1:
The mounting adapter serves as an intermediary that allows machine head replacement while maintaining the original mounting hole configuration. By attaching the adapter to existing mounting holes rather than creating new ones, the instrument's structural integrity and sound characteristics are preserved while still achieving machine head interchangeability.
Data Source
AI summary
Provided is a machine head adapter for mounting a machine head, that is misaligned with an existing mounting hole on an instrument, to the instrument. The adapter may include a solid rigid body with a base section of a first thickness, a mounting point extending the base section, a support extension of a second thickness, and a set screw. The support extension extends laterally from an upper part of the base section such that a bottom of the support extension is elevated over a bottom of the base section by a difference between the first thickness and the second thickness. The set screw is positioned about a length of the support extension, and adjustably extends below the bottom of the support extension to the bottom of the base section. The adapter includes a screw for screwing into the existing mounting hole via an opening at the mounting point.