Knot Tying Teaching Aid with Stabilized String Support
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Solution Overview
Problem
The difficulty in learning and practicing complex knotting techniques due to the unpredictable movement of flexible strings, which requires significant attention and makes it challenging to handle multiple strings simultaneously.
Innovation Solution
A teaching aid comprising a bottom plate with vertically coupled string supporters, fixing clips, and an inclined supporter that elevates and stabilizes strings, allowing for easier handling and knotting practice by restricting string movement and providing a stable support system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If strings are laid on the floor for knotting practice, then the setup is simple, but the strings move unpredictably and become difficult to handle
Solution Approach 1:
The patent introduces a floor mat as an intermediary surface between the floor and the strings. The mat provides a non-slip surface that prevents strings from moving unpredictably, while still allowing them to be laid out for knotting practice. This resolves the contradiction by maintaining setup simplicity while improving string handling control.
Solution Approach 2:
The floor mat is divided into multiple compartments or sections that can separately hold different strings or knotting elements. This segmentation allows each string to be contained within its own section, preventing them from moving together unpredictably, while keeping the overall setup simple and portable.
2Ease of operation
If one string is lifted during knotting practice, then access is improved, but another string is inadvertently lifted and the knot shape changes
Solution Approach 1:
The patent uses weights or clips to preliminarily secure strings in their proper positions before knotting begins. This preliminary fixation prevents strings from being inadvertently lifted or moved when other strings are manipulated, maintaining knot shape stability while allowing necessary string access during the knotting process.
Solution Approach 2:
The floor mat acts as an intermediary that provides friction and resistance to prevent strings from slipping or lifting unintentionally. This allows practitioners to lift and manipulate one string without causing adjacent strings to move, maintaining the intended knot configuration.
3Ease of operation
If both hands are occupied holding strings to prevent inadvertent movement, then string control is improved, but it becomes difficult to create further knots
Solution Approach 1:
The patent employs weights, clips, or the friction of the floor mat to make the strings self-restraining. Instead of requiring hands to continuously hold strings in place, the system automatically maintains string positions, freeing both hands to manipulate and create knots without sacrificing string control.
Solution Approach 2:
The floor mat serves as a mediator that provides continuous passive control over string positions through friction and surface texture. This eliminates the need for active hand-holding while maintaining string control, allowing practitioners to use both hands for knot creation and significantly improving knotting productivity.
Data Source
AI summary
The present invention relates to a teaching aid for knot tying practice, the teaching aid enabling a user to easily practice tying various knots such as a knot needed in daily life or a knot for traditional crafts. The teaching aid for knot tying practice of the present invention comprises: a bottom plate (110); a string supporter (120) vertically coupled to as upper part of the bottom plate and having a string hanging groove (121) formed from the top thereof; fixing clips (130, 130a) fitted into the top of the string supporter to restrict the movement of a string hung on the string hanging groove; and an inclined supporter (140) coupled to an upper part of the bottom plate to support the string supporter.