Fishing Lure With Oscillating Weight And Guide Structure
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Solution Overview
Problem
Conventional fishing lures made of plastic struggle to mimic the movement of a living fish and often fail to achieve sufficient flight distance during casting.
Innovation Solution
A lure design featuring a hollow body with a weight that oscillates within the body, guided by a support member extending in the longitudinal direction, which enhances the lure's movement uncertainty and flight distance by preventing collisions and optimizing the weight's movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a weight is placed inside a hollow body to make the lure move in three dimensions, then the behavior of the lure becomes more realistic, but the flight distance during casting is reduced
Solution Approach 1:
The hollow body is divided into multiple compartments (first hollow space, second hollow space, third hollow space) with the weight confined to a specific compartment. This segmentation allows the weight to contribute to realistic movement while the overall structure maintains casting efficiency by distributing mass strategically throughout the lure body.
Solution Approach 2:
The weight is nested within the hollow body structure, specifically positioned in the second hollow space between the head and tail sections. This nested arrangement allows the weight to be integrated into the lure's internal structure, enabling realistic three-dimensional movement while maintaining a streamlined external shape that reduces drag during casting.
2Stability of the object's composition
If the weight is allowed to move freely in the hollow portion, then the movement uncertainty increases and fish-like behavior is achieved, but the weight may collide with the body walls
Solution Approach 1:
The second hollow space where the weight is positioned has specifically tailored dimensions and properties that differ from other compartments. The space is designed to be sufficiently large to allow realistic weight movement and collision with the head or tail sections, while the third hollow space at the tail has restricted dimensions to prevent excessive movement. This local differentiation of space qualities enables controlled movement uncertainty in specific regions while maintaining reliability in others.
3Reliability
If a guide portion is added to guide the weight, then collision prevention is improved, but the device complexity increases
Solution Approach 1:
The guide portion is merged with the partition wall structure that already divides the hollow spaces. The partition wall serving as the guide portion is formed as an integrated structural element rather than a separate component. This merging approach provides weight guidance and collision prevention functionality while avoiding additional complexity from separate guide mechanisms, maintaining structural simplicity.
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
The design achieves a more realistic fish-like motion and increased flight distance by ensuring the weight oscillates securely within the guide portion, preventing collisions and utilizing centrifugal force for extended casting.
Implementation Method 1
when the lure is cast, the centrifugal force acting on the weight causes the weight to be guided by the guide portion and move toward the end of the tail side that faces forward, thus increasing the flight distance
Data Source
AI summary
A lure includes a body having an interior hollow portion, a weight configured to move in the hollow portion, and a support member having a guide portion extending in a longitudinal direction of the body so as to guide the weight and be capable of oscillating inside the hollow portion.