Knot Tying Device Spring Grip Mechanism
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Solution Overview
Problem
Current fishing knot-tying devices are limited in their ability to tie a variety of knots, are often permanently secured to a lanyard or vest, and struggle with intricate knots, leading to wasted time, line damage, and poor grip strength, making it difficult for anglers to efficiently set up and change fly rigs.
Innovation Solution
A portable, handheld knot-tying device featuring a shaft, spring, elastomeric member, and slide member that allows for secure grip and manipulation of fishing lines, enabling the tying of multiple knots without damaging the line, even when dropped, and can be easily threaded through various loops.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If currently available knot-tying devices are used, then they can secure to the hook or lanyard to help tie knots, but they are limited in the variety of knots they can tie (only 5-16 types) and cannot handle intricate knots effectively
Solution Approach 1:
The device is divided into distinct functional segments: a body portion with a slot for line manipulation, a separate gripping mechanism with movable members, and an attachment portion. This segmentation allows each component to be optimized for specific knot-tying operations while maintaining overall versatility across multiple knot types.
Solution Approach 2:
The device incorporates movable gripping members that can adjust their position and pressure dynamically during the knot-tying process. This dynamic adjustment capability enables the device to handle various knot configurations and intricacies without requiring multiple specialized tools.
2Ease of operation
If currently available devices are permanently secured to a lanyard or fishing vest, then they are always accessible, but their functionality is limited and they cannot be easily manipulated for intricate knots
Solution Approach 1:
The device separates the gripping function from the attachment function, allowing the gripping mechanism to be independently manipulated while remaining attached to the lanyard or vest. This enables intricate knot-tying operations without requiring complete device removal.
Solution Approach 2:
The device acts as an intermediary tool between the angler and the fishing line, providing a mechanical advantage system that amplifies finger movements for precise knot manipulation while remaining attached to the angler's person via lanyard or vest attachment.
3Productivity
If currently available devices are made long to provide leverage, then they can tie some knots, but they kink or bend fine fishing line when tying intricate knots, wasting the fishing line
Solution Approach 1:
Instead of extending the device length in one dimension to provide leverage, the invention uses a compact body with vertical slot geometry and movable gripping members that provide mechanical advantage through a different dimensional approach, eliminating line kinking while maintaining knot-tying efficiency.
Solution Approach 2:
The device replicates the natural finger-looping motion used in hand-tying knots through its slot and movable member mechanism, capturing the essential geometry of intricate knot formations without requiring long lever arms that would damage the line.
4Strength
If currently available devices have weak grip strength, then they are lightweight, but when dropped they lose grip of the fishing line and need to be reattached
Solution Approach 1:
The device uses spring-loaded movable gripping members that automatically adjust their gripping force based on the applied load. When the device is dropped or subjected to sudden forces, the spring mechanism increases grip strength proportionally, maintaining line security without requiring a heavier device structure.
Solution Approach 2:
The spring-loaded gripping mechanism provides beforehand cushioning by pre-loading the gripping members with spring force, creating a compliant grip that absorbs sudden impacts or drops without losing line contact, eliminating the need for reattachment.
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 quick and efficient tying of various knots, including Clinch, Orvis, and Surgeon's knots, with improved grip strength and reduced line waste, allowing anglers to easily manage different fly setups without losing flies or damaging the line.
Implementation Method 1
The knot tying device can include, but is not limited to, a shaft, a spring, an elastomeric member, an end stop, and a slide member
Implementation Method 2
The knot tying device can include, but is not limited to, a shaft, a spring, an elastomeric member, an end stop, and a slide member
Data Source
AI summary
A knot tying device is described. Embodiments of the knot tying device can include, but are not limited to, a shaft, a spring, a slide member, an elastomeric member, and a nut. The shaft can include a slot for receiving a fishing line therethrough and trapping the fishing line between the slide member and the elastomeric member of the knot tying device. When the fishing line is secured to the knot tying device, the knot tying device can be implemented to thread the fishing line through and around the fishing line based on a type of knot being tied.