Universal Mounting Element for Stringed Instrument Tuners
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Solution Overview
Problem
The challenge lies in easily and inexpensively mounting modern tuning machines on a variety of stringed instruments, including vintage ones, without causing permanent alterations, due to varying screw alignment/mounting patterns and the risk of damaging the instrument's neck during installation.
Innovation Solution
A system comprising a primary mounting element with elongated post apertures and alignment detents that secure tuning machines to the instrument's headstock without requiring drilling, using threaded engagement between the tuning machine's hub and barrel nut, and alignment detents to prevent rotational movement, allowing for adaptable installation across different instrument types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional mounting methods with multiple screws are used to secure tuning machines, then the tuning machines are firmly attached to the instrument, but the risk of stripping or breaking screws in the neck increases and permanent modifications may be required
Solution Approach 1:
The patent introduces a mounting plate as an intermediary component between the tuning machine and the instrument headstock. The mounting plate distributes mounting forces across multiple points and provides a stable base that reduces stress concentration on the neck material, thereby preventing screw stripping while maintaining secure attachment.
Solution Approach 2:
The mounting system is divided into separate functional components: the mounting plate, the tuning machine, and the headstock. This segmentation allows the mounting plate to serve as a dedicated interface that handles the mechanical stress of attachment, protecting the instrument neck from direct screw engagement damage.
2Adaptability or versatility
If alignment holes are relocated to accommodate different tuning machine patterns, then compatibility with various tuning machines is improved, but the precision of alignment decreases and tuning machines may tilt or be off angle
Solution Approach 1:
The mounting plate is designed with multiple pre-configured mounting patterns that can accommodate different tuning machine types and configurations. This universal design allows a single mounting plate to serve multiple functions across various instrument and tuning machine combinations without requiring custom hole relocation, thereby maintaining alignment precision while achieving versatility.
3Ease of manufacture
If small mounting screws are used to attach tuning machines, then the mounting process is simpler, but the screws tend to strip out or break off in the neck material
Solution Approach 1:
The mounting plate acts as an intermediary that provides robust screw engagement surfaces separate from the instrument neck. This allows the use of simple small screws for attachment while the mounting plate absorbs the mechanical stress, preventing the screws from stripping or breaking in the neck material and thereby improving mounting reliability.
4Manufacturing precision
If professional instrument technicians are consulted for tuning machine installation, then the installation quality is improved, but the cost increases significantly
Solution Approach 1:
The mounting plate is pre-designed and pre-configured with appropriate mounting patterns and alignment features before installation. This preliminary preparation eliminates the need for complex on-site alignment procedures that would require professional technicians, allowing users to achieve high-quality installation independently while reducing both cost and time requirements.
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 easy and cost-effective replacement of tuning machines on various instruments, preserving the vintage value by avoiding permanent modifications and ensuring accurate alignment, thus preventing damage to the instrument's neck.
Implementation Method 1
each string post is secured by way of threaded engagement between a threaded hub of the tuning machine and a respective barrel nut
Implementation Method 2
the alignment detents substantially prevent rotational movement of the respective shaft axes with respect to the instrument by engaging with a portion of a gear housing of a respective tuning machine
Data Source
Figure 1~4
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Figure 8A~9
AI summary
Systems, kits and methods are provided for mounting multiple tuning machines to a stringed musical instrument without requiring permanent alteration of the instrument. An exemplary mounting element includes a multiplicity of post apertures. Each post aperture is configured to receive a string post of a respective tuning machine, which is then axially secured within respective head stock holes of the instrument. The mounting element includes one or more alignment detents associated with the post apertures. The axial securement generally does not require penetration of the instrument independent of the head stock holes. When the string posts are received by their post apertures and are axially secured to the head stock of the instrument, the alignment detents restrict rotation of the tuner gear housing with respect to the instrument. The axial securement is preferably via threaded engagement between a threaded hub of the tuning machine and a respective barrel nut.