Capo With Independent String Clamps and Resilient Cushions
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Solution Overview
Problem
Existing capos for stringed instruments lack an improved design with independent string-contacting members and resilient cushioning, which affects the precision and comfort of pitch adjustment.
Innovation Solution
A capo design featuring a clamping bar with separate, self-adjusting string-contacting members and at least one resilient cushion member between the string-contacting members and the main bar body, allowing for independent movement and enhanced comfort during use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single clamping bar is used to contact all strings, then the device complexity is reduced, but the manufacturing precision and pitch adjustment accuracy deteriorate
Solution Approach 1:
The single clamping bar is divided into multiple independent string-contacting members (first, second, third, and fourth members) that can move independently relative to the main bar body. Each member contacts a specific string (E, A, D, and G strings respectively), allowing individual adjustment and precise pitch control for each string while maintaining a unified clamping structure.
2Device complexity
If rigid string-contacting members are used, then the device complexity is reduced, but the reliability and comfort deteriorate due to increased pressure on the instrument neck
Solution Approach 1:
Resilient cushion members are positioned between each string-contacting member and the corresponding string. These cushion members (first, second, third, and fourth cushion members) are pre-installed to provide immediate cushioning effect, distributing the clamping pressure evenly across all strings and preventing excessive pressure on the instrument neck while maintaining reliable string contact.
3Reliability
If independent string-contacting members with cushioning are added, then the reliability and comfort improve, but the device complexity increases
Solution Approach 1:
The independent string-contacting members and resilient cushion members are integrated into a unified clamping bar structure. All four string-contacting members are attached to the main bar body and work together under a single clamping force applied by the screw mechanism, combining the benefits of independent adjustment with the simplicity of a single clamping action.
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 capo provides precise pitch adjustment and improved comfort by allowing each string to be clamped independently, reducing pressure on the instrument neck and enhancing the overall playing experience.
Implementation Method 1
at least one resilient cushion member between the string-contacting members and the main bar body
Data Source
AI summary
A capo for a musical instrument with a neck and a plurality of parallel strings disposed above the neck. The capo includes a U-shaped yoke having first and second branches, and a clamping bar assembly pivotally attached to one of the yoke branches. The clamping bar assembly includes a main bar body and a plurality of separate string clamp members, which are operatively attached to the main bar body and formed of a substantially rigid plastic material. The clamping bar assembly also includes one or more flexibly resilient cushion members provided between the string clamp members and the main bar body. The main bar body may have sockets formed therein which receive individual cushion members and portions of the string clamp members. Alternatively, the string clamp members may share a single elongated cushion member, and may have passages formed therethrough allowing for slidable mounting on a solid main bar body.