Tremolo Locking Device for Guitar Bridge Stability

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Solution Overview

Problem

Existing tremolo bridge systems in stringed instruments are time-consuming to set up, prone to tuning issues when strings break, and can inadvertently affect pitch due to hand contact or string bending, while also reducing sustain compared to rigid bridges, and previous solutions require significant modifications or changes to the instrument.

Innovation Solution

A retractable stop mechanism that allows the tremolo bridge assembly to be locked in both directions or unlocked for full floating motion with minimal effort, using a thumb wheel assembly and retractable stop bolt system, enabling quick configuration changes and maintaining tonal sustain.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a floating tremolo bridge assembly is used to allow pitch modulation, then the player can create vibrato sound effects, but the setup time and tensioning adjustment become time-consuming

Engineering Contradiction:

Improvevibrato sound effect capabilityVSAvoidsetup time

Core Design Contradiction:

Adaptability or versatilityVSLoss of time

Solution Approach 1:

The tremolo bridge assembly is pre-configured with fulcrum screws, springs, and tensioning components already in place during manufacturing. This preliminary setup eliminates the need for time-consuming field adjustments when installing new strings, as the bridge is already prepared to accept string attachment and basic tuning without requiring complex tension equilibrium adjustments.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The tremolo bridge assembly is designed to be self-adjusting through its spring-loaded mechanism. When strings are attached, the springs automatically compensate for tension changes and maintain equilibrium without requiring manual intervention. The system self-regulates the balance between string tension and spring force, reducing the need for player adjustments.

Inventive Principle:

Principle #25Self-service

2Adaptability or versatility

If a floating tremolo bridge assembly is used to allow pitch modulation, then the player can create vibrato sound effects, but pitch stability is compromised when strings break or hand contact occurs

Engineering Contradiction:

Improvevibrato sound effect capabilityVSAvoidpitch stability

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The tremolo bridge assembly incorporates pre-positioned fulcrum screws and spring tensioning mechanisms that are designed to maintain stable equilibrium. These components are pre-configured to counteract potential disruptions from string breaks or hand contact, providing inherent pitch stability while preserving vibrato functionality through the balanced spring-string tension system.

Inventive Principle:

Principle #9Preliminary anti-action

3Adaptability or versatility

If a floating tremolo bridge assembly is used to allow pitch modulation, then the player can create vibrato sound effects, but the sustain of the instrument is reduced

Engineering Contradiction:

Improvevibrato sound effect capabilityVSAvoidsustain

Core Design Contradiction:

Adaptability or versatilityVSDuration of action of stationary object

Solution Approach 1:

The tremolo bridge assembly uses a dynamic spring-loaded mechanism that allows controlled movement for vibrato effects while maintaining stable contact points through fulcrum screws. The springs provide flexible tension compensation that enables pitch modulation without excessive energy loss, balancing sustain preservation with vibrato functionality through controlled mechanical dynamics.

Inventive Principle:

Principle #15Dynamics

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

This solution reduces setup time, prevents pitch disruptions, improves sustain, and allows for quick restoration of tremolo functionality with minimal effort and modification to the instrument, addressing the limitations of existing tremolo bridge systems.

Implementation Method 1

The tension of the strings is counteracted by springs which are attached to an integral part of the tremolo bridge assembly

Methodology Applied

Scientific EffectElasticity: Elasticity

Implementation Method 2

The strings are typically attached to the bridge assembly and at the other end to tuning pegs which allow for individual string tension adjustment to tune the instrument. Most tremolo bridges pivot, fore-and-aft, at a fulcrum

Methodology Applied

Scientific EffectLever: Lever

Data Source

PatentUS10157597B1Tremolo locking device

Publication Date: 2018.12.18 GREEN GUNNAR K

AI summary

The tremolo locking device is a device applicable to tremolo bridge equipped stringed instruments such as electric guitars. One embodiment of the device provides the means for the instrument player to lock the tremolo at a repeatable position, preventing movement bi-directionally, or to stop the tremolo limiting movement in one direction. It also allows the player to unlock the tremolo bridge completely for its unencumbered full range of use. This is accomplished with a retractable stop assembly providing a repeatable stop location and a screw assembly which holds the tremolo block against the stop.