Guitar String Bender Bridge Mount Using Pivoting Saddle Lever
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Solution Overview
Problem
Existing string benders for musical instruments require substantial machining or permanent alteration of the guitar structure, leading to installation difficulties, accelerated string wear, and unpredictable pitch variability due to string sliding, which limits their practicality and value.
Innovation Solution
A string bender system that replaces existing bridge couplings without machining, using a saddle lever and bridge mount design that allows for pitch adjustment without string sliding, enabling silent and controlled tension changes without affecting other strings, and can be manually activated or using a strap, with independently controlled pitch range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing string benders are installed on a guitar, then string bending capability is achieved, but substantial machining or permanent alteration of the guitar structure is required
Solution Approach 1:
The device is divided into separate modular components: a bridge unit with string anchors and a lever unit with pivot point. These segments connect through a coupling mechanism that interfaces with existing guitar bridge holes, eliminating the need for substantial machining or permanent structural alterations while maintaining full string bending functionality
Solution Approach 2:
The coupling mechanism is designed to interface with standard guitar bridge hole patterns, allowing the device to be installed on multiple guitar models without custom fabrication. The bridge unit can be mounted in various positions (e.g., near the bridge or at the neck) and works with different string configurations, providing universal applicability
2Adaptability or versatility
If existing string benders are used, then pitch change is achieved, but string sliding causes accelerated wear and breakage
Solution Approach 1:
Instead of allowing the string to slide across a fixed saddle as in traditional designs, this invention inverts the approach by anchoring the string at both ends and using a moving lever that applies downward force on the string between the anchors. This eliminates relative motion between string and contact surface, preventing wear and breakage while achieving pitch change
3Adaptability or versatility
If existing string benders are used, then string tension is varied, but friction causes unpredictable pitch variability
Solution Approach 1:
The design eliminates friction-based pitch control by anchoring the string at both ends and using a lever to apply controlled downward force at a specific point. This creates a predictable geometric relationship between lever position and string tension, eliminating the unpredictable friction variability inherent in sliding-saddle designs
4Adaptability or versatility
If existing string benders are installed, then string bending function is added, but custom fabrication or substantial alterations are required
Solution Approach 1:
The device is segmented into pre-fabricated modular units (bridge unit, lever unit, coupling mechanism) that can be manufactured separately using standard techniques and assembled on the guitar. This reduces fabrication complexity compared to custom-machined monolithic designs while maintaining full functionality
Solution Approach 2:
The coupling mechanism acts as an intermediary that interfaces between the new modular components and the existing guitar structure through standard bridge holes. This mediator component enables connection without requiring custom fabrication of the guitar itself, simplifying the overall fabrication process
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 rapid string bending without altering the guitar's structure, reducing string wear and maintaining tonal quality, allowing for seamless pitch changes without affecting other strings, and can be easily installed or removed without permanent modifications.
Implementation Method 1
A saddle lever is provided having a handle and a pivot point
Implementation Method 2
the saddle lever applies tension to the string in a direction away from the bridge
Data Source
AI summary
A guitar string bender bridge mount couples to a guitar bridge through an existing bridge string mount. The bridge mount has a side wall and a slot in and extending to an edge of the side wall. A mounting screw couples into a standard hole on a guitar bridge and is rotatable to adjust the tuning of at least one of the guitar strings. A saddle lever is supported by the bridge mount and is pivotal through a limited arc, limited by low and high stops. The saddle lever is selectively and manually removable from the bridge mount. A string attachment receives and retains a first end of a guitar string. A body wraps about the axis of rotation and is partially wrapped by the guitar string, and the pivoting varies an extent of wrap about the body, to thereby vary a tension upon the guitar string.