Leader Line Spooling Device for Rapid Depth Adjustment
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Solution Overview
Problem
Standard wired fishing corks do not allow for easy adjustment of leader line depth without cutting and retying, making it difficult for fishermen to quickly respond to changing fishing conditions.
Innovation Solution
A leader line spooling device that allows users to adjust the length of the leader line by winding and unwinding it from a spool with an eyelet hook, accommodating up to ten feet of line, enabling easy lengthening or shortening without the need for knotting or tying.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed-length leader line is tied to the fishing cork, then the structure is simple and reliable, but the depth cannot be adjusted without cutting and retying
Solution Approach 1:
The leader line is segmented into a permanent portion (tied to the cork) and an adjustable portion (stored on the spool). This segmentation allows the fisherman to have a fixed anchor point while having access to additional line length when needed, resolving the contradiction between structural simplicity and depth adjustability.
Solution Approach 2:
The leader line system transitions from a static fixed length to a dynamic adjustable length through the spool mechanism. The line can be wound onto or unwound from the spool as needed, allowing the effective length to change based on fishing conditions while maintaining a simple permanent structure.
2Productivity
If the leader line length is fixed, then the tying process is simple and reliable, but rapid response to changing fishing conditions is impossible
Solution Approach 1:
The adjustable portion of the leader line is pre-attached to the cork and stored on the spool before fishing begins. This preliminary preparation eliminates the need for cutting and retying during fishing, as the fisherman can simply wind or unwind the pre-attached line to adjust depth rapidly in response to changing conditions.
3Adaptability or versatility
If a spool mechanism is added to allow line adjustment, then depth adjustability is improved, but the device structure becomes more complex
Solution Approach 1:
The spool serves multiple functions: it stores the adjustable portion of the leader line, provides a mechanism for rapid length adjustment, and maintains the line in an organized manner. By consolidating these functions into a single component, the added complexity is minimized while maximizing adaptability.
Data Source
AI summary
The leader line spooling device that allows the length of a leader line to be adjusted while accommodating a variety of fishing line accessories such as ornaments, fishing bobbers, and weights. The apparatus includes a flexible wire, a cap, a spool, an eyelet hook, and a fishing line hole. The flexible wire contains the variety of fishing line accessories while allowing the fishing line accessories to slide and increase the chances of visually attracting nearby fish. The cap connects the flexible wire to the spool. The spool contains extra additional leader line that may or may not be used. The eyelet hook contains and secures leader line that is most likely going to be used. The fishing line hole allows the leader line to be connected to the spool. The apparatus preferably includes a notch that secures the leader line to the eyelet hook.