Guitar Speedle Tool for Stringing Through Body Facets

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Solution Overview

Problem

The process of stringing a guitar is cumbersome due to the guitar's body facets and lips, causing strings to easily get caught, making it difficult to guide the string from the back to the front effectively.

Innovation Solution

A needle-like device, referred to as the Guitar Speedle, is inserted into the guitar from the front, allowing the string to be easily guided through by being inserted into it from the back, facilitating smooth extraction on the front side.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the guitar body has facets and lips for structural design, then the guitar body maintains its structural integrity and aesthetic appearance, but the stringing process becomes difficult and strings easily get caught

Engineering Contradiction:
Improvestructural integrityVSAvoidstringing process
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent introduces a speedle as an intermediary tool that facilitates string passage through the guitar body. The speedle acts as a mediator between the string and the guitar body facets/lips, allowing the string to be guided through the difficult path created by the structural features without direct manual manipulation, thus resolving the contradiction between maintaining structural integrity and easing the stringing operation

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The speedle performs preliminary action by pre-forming the string's path through the guitar body before the string is fully installed. The tool prepares the way through the facets and lips in advance, creating a smooth passage that prevents string entanglement during the subsequent stringing process

Inventive Principle:
Principle #10Preliminary action

2Device complexity

If manual stringing is performed by holding the guitar and guiding the string through the body, then no additional tools are required, but the process is time-consuming and cumbersome

Engineering Contradiction:
Improvetool requirementVSAvoidstringing speed
Core Design Contradiction:
Device complexityVSProductivity

Solution Approach 1:

The speedle enables self-service stringing by allowing the string to guide itself through the guitar body using the tool's geometry. Once the speedle is inserted and the string is fed through it, the string automatically follows the pre-determined path through the facets and lips, eliminating the need for continuous manual manipulation and significantly increasing stringing speed while requiring only one simple tool

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The stringing process is segmented into distinct phases: inserting the speedle, feeding the string through the speedle, and extracting the speedle with the string attached. This segmentation allows each phase to be performed efficiently and independently, improving overall productivity while keeping the tool simple

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS10325575B1Guitar speedle
Publication Date: 2019.06.18 BARKER JAYCIB LOUIS
  • US10325575B1 patent drawing
  • US10325575B1 patent drawing

AI summary

A small tool, tube like in nature, comprised of plastic, metal, or composite material, that makes changing guitar strings easier by insertion into guitar then feeding string though.