Rotating Wire Bottom Snagging Sinker Kit
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Solution Overview
Problem
Existing bottom snagging sinkers require specific manufacturing processes and are difficult to reuse, as they need rotating wires that are challenging to integrate into existing sinker designs, and require significant force to release from the bottom.
Innovation Solution
A kit comprising a plastic nose cone, cotter pin, snagging wires, and retaining ring allows users to convert any sinker with a hole into a bottom snagging sinker with rotating wires, enabling easy assembly and reduced retrieval force by using existing sinker weights.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If rotating wires are integrated into the sinker during manufacturing, then the sinker can be reused easily by rotating wires back into position, but the manufacturing process becomes difficult and complex
Solution Approach 1:
The sinker is divided into separate components: the sinker body and the rotating wire assembly with nose cone. This segmentation allows the rotating wires to be easily attached and detached without complex manufacturing processes, while still enabling reusability by rotating the wires back into position.
Solution Approach 2:
The wire configuration is made dynamic through rotation capability. The wires can be rotated between different positions (embedded in bottom vs. released) allowing the sinker to be reused easily without requiring complex manufacturing processes for integration.
2Ease of operation
If tension is applied to release the sinker from the bottom, then the fishing rig can be retrieved, but significant force is required
Solution Approach 1:
The wire assembly is designed to rotate freely when tension is applied, converting the retrieval force into rotational motion rather than requiring force to overcome embedded resistance. This dynamic mechanism reduces the force needed for retrieval while maintaining ease of operation.
3Ease of manufacture
If fixed wires are used in the sinker, then the structure is simple and easy to manufacture, but the sinker cannot be easily reused
Solution Approach 1:
The wire assembly is segmented as a separate rotatable component (nose cone with wires) that can be independently attached to the sinker body. This segmentation maintains manufacturing simplicity while enabling reusability through rotation, as the wires can be rotated back into position for repeated use.
Solution Approach 2:
The fixed wire structure is transformed into a dynamic rotatable wire assembly. The wires can rotate between fixed and released positions, maintaining the simplicity of the basic structure while adding the capability for easy reuse through rotational movement.
Data Source
AI summary
A bottom snagging sinker kit includes a retaining ring, a series of anchor wires and a nose. Rather than manufacture a wide range of specially designed sinkers having weights of different size, a bottom snagging sinker is assembled from the kit by using a standard sinker weight of the type having a passage therethrough. A fisherman or other person may assemble the sinker by connecting the retaining ring to the sinker weight with a connector, such as a cotter pin. The anchor wires are assembled to the nose or between the nose and the retaining ring. The nose is then attached to the retaining ring. When the sinker is cast into water, the sinker descends to the bottom where the anchor wires are aimed generally at the fisherman to minimize movement of the sinker. When the fisherman pulls on the fishing line, the anchor wires deflect to a position allowing easy retrieval of the sinker.