Snag-free Fish Hook Assembly with Round Bead
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Solution Overview
Problem
Existing fish hook assemblies often snag on underwater obstructions due to notches in the design, leading to difficulties in retrieval, environmental impact, and costly losses.
Innovation Solution
A fish hook assembly featuring a round bead placed in the notch between the eye and intermediary objects, such as weed guards or weighted heads, which prevents snags by allowing obstructions to roll off or be shed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a notch is formed between the eye and intermediary objects (weed guard, weighted head), then the hook assembly can accommodate various components and achieve desired buoyancy/weight distribution, but the notch becomes prone to catching snags on underwater obstructions
Solution Approach 1:
The patent applies spheroidality by placing a spherical bead in the notch area of the hook assembly. The spherical shape has no sharp edges or corners that could catch on obstructions, and its curved surface allows any contacted obstruction to roll off easily. This converts the problematic angular notch into a smooth, snag-free spherical profile while maintaining the functional space for components.
Solution Approach 2:
The patent converts the harmful notch (which causes snagging) into a beneficial feature by filling it with a spherical bead. The bead serves as both a filler for the problematic space and a protective element that prevents snagging. The sphere's geometry transforms the harmful angular geometry into a beneficial smooth surface that actively prevents obstructions from catching.
2Speed
If a weighted head is added to affect descent rate, then the hook assembly achieves head-down descent and bottom positioning, but the weighted head creates additional notches and complexity that increase snagging risk
Solution Approach 1:
The spherical bead placed on the weighted head covers any notches or angular features created by the weighted head's attachment. The sphere's smooth curved surface eliminates snagging points while the weighted head maintains its function of controlling descent rate and positioning the hook assembly on the bottom.
3Reliability
If weed guards are added to prevent tangling on the hook, then some tangling is prevented, but weed guards create notches and additional surfaces that can snag on detritus
Solution Approach 1:
The spherical bead placed at the notch created by the weed guard attachment prevents snagging on detritus while the weed guard itself continues to prevent tangling on the hook curvature. The sphere caps the problematic angular notch without interfering with the weed guard's protective function.
4Adaptability or versatility
If offset bends are added to the hook design, then the hook can accommodate various bait types and fishing conditions, but offset bends create notches that are particularly prone to catching snags
Solution Approach 1:
The spherical bead is placed in the notch created by the offset bend, covering the angular snag-prone area with a smooth spherical surface. The offset bend maintains its adaptability function for different bait types while the sphere eliminates the harmful snagging geometry.
Data Source
AI summary
A fish hook assembly that includes a substantially hemispherical or polyhedron head with an eye and a weed guard extending from the head. A round bead is in physical contact with at least the weed guard so that underwater obstructions that would normally get snagged on the eye and/or weed guard will roll away over the bead.