Offset Strut Guitar Support Device Stability
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Solution Overview
Problem
Existing support devices for guitar and lute instruments tend to tip forward or backward, causing instability and impairing the musician's posture, leading to potential skeletal and muscular damage.
Innovation Solution
The support device is designed with at least one support strut offset relative to its central longitudinal axis, generating a torque that counteracts the tendency to tip over, ensuring stability and allowing for healthy posture. Additionally, the strut is length-adjustable and features a pivoting mechanism for secure attachment, and can be adapted for different instrument types and player postures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the support device uses a conventional symmetric design with support struts aligned to the central longitudinal axis, then the structure is simple and easy to manufacture, but the device tends to tip forward or backward causing instability and impairing the musician's posture
Solution Approach 1:
The support strut is deliberately positioned asymmetrically relative to the central longitudinal axis of the base part, with its central longitudinal axis offset towards the rear side. This asymmetric arrangement creates a torque that counteracts the tipping tendency, improving stability without requiring complex additional mechanisms.
Solution Approach 2:
The offset support strut acts as a counterweight mechanism, where the rearward offset position creates a counter-torque that balances the forward tipping moment generated by the instrument weight, thereby stabilizing the device without adding active control systems.
2Adaptability or versatility
If the support strut is made length-adjustable and pivotable to accommodate different instrument types and postures, then the adaptability is improved, but the device complexity increases
Solution Approach 1:
The support strut incorporates a pivoting mechanism that allows it to rotate relative to the base part, enabling adaptation to different instrument orientations and player postures. This dynamic adjustment capability is achieved through a relatively simple pivot joint rather than complex mechanical systems.
Solution Approach 2:
The support strut is divided into separable components with connection elements that allow for length adjustment. This segmentation enables the strut to be configured for different instrument sizes and types while maintaining a relatively simple overall structure through modular assembly.
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
The offset design stabilizes the instrument, allowing musicians to maintain a healthy posture and focus on performance, while the adjustable features accommodate various playing styles and instrument orientations, reducing the risk of skeletal and muscular damage.
Implementation Method 1
the weight of an instrument resting on the support device generates, at least on one support strut, a torque on the support device which is directed towards the user and counteracts the described tendency to tip over
Data Source
Figure 1
Figure 2~3
Figure 4
AI summary
The support device has a base part (1), a support surface to fit on a thigh of a musician, a longitudinal rear side indicating the use situation, a front side away from the rear side, and two support struts (2,3) spaced in longitudinal direction and projecting from the base part. A support (4) of support strut is arranged off set to the rear side relative to middle longitudinal axes (12,13) of the partial of the support struts connected with the support.