Jointed Fishing Lure Linkage for Stable Flight and Swimming
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Solution Overview
Problem
Conventional joint fishing lures with a body divided into segments in the front-rear direction have unstable flight attitudes and limited flight distances due to a swingable angle range of ±90 degrees, which hinders effective swimming and flight performance.
Innovation Solution
A lure design featuring front and rear bodies connected by a connecting member with a holding part and swinging shafts that restrict the swingable angle during swimming and allow increased swingable angles during flight, utilizing magnetic and inclined shafts to stabilize the flight attitude and enhance flight distance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the swingable angle of the joint is set to ±90 degrees to achieve desired swimming action, then the swimming performance is improved, but the flight attitude becomes unstable and flight distance is limited
Solution Approach 1:
The connecting member is designed to dynamically change its position between a first position (during flight) and a second position (during swimming). The holding part allows the connecting member to be held at the second position for swimming while releasing it during flight, enabling the swingable angle to dynamically adjust between ≤±90 degrees for swimming and >±90 degrees for flight, thus resolving the contradiction between swimming performance and flight stability
2Productivity
If the swingable angle is restricted to ±90 degrees or less, then the swimming action is effective, but the flight distance cannot be increased
Solution Approach 1:
The system dynamically adjusts the swingable angle based on operational mode. During swimming, the holding part holds the connecting member at the second position, restricting the swingable angle to ≤±90 degrees for effective swimming action. During flight, the connecting member moves to the first position, increasing the swingable angle to >±90 degrees, which stabilizes flight attitude and extends flight distance
3Device complexity
If the connecting member is held at a fixed position, then the structure is simple, but the lure cannot adapt to both swimming and flight modes
Solution Approach 1:
The connecting member transitions from a fixed position design to a dynamic position system with two distinct positions (first and second positions). The holding part provides a simple mechanism to hold the connecting member at the second position for swimming, while allowing it to move to the first position for flight, achieving mode adaptability without excessive structural complexity
Solution Approach 2:
The holding part acts as an intermediary mechanism between the connecting member and the body segments. It provides a simple holding function that enables the connecting member to maintain a restricted position during swimming while allowing freedom of movement during flight, thus enabling mode adaptability with minimal added complexity
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 stable flight attitude and increased flight distance by restricting the swingable angle during swimming and allowing a greater angle during flight, ensuring both effective swimming and extended range.
Implementation Method 1
during flight of the lure, the front and rear bodies move away from each other due to centrifugal force generated by the flight
Data Source
AI summary
A lure includes a front body and a read body. A connecting member connects first and second connecting parts that face each other in the front and rear direction of the front and rear bodies. A holding part is provided in one of the first and second connecting parts. A first swinging shaft is provided in one of the first and second connecting parts, swingably supporting the connecting member, and guides the connecting member between a first position and a second position where the connecting member is held by the holding part. A second swinging shaft is provided in the other of the first and second connecting parts and swingably supporting the connecting member, when the connecting member in the one of the first and second connecting parts is in the first position, the front and rear bodies move in directions away from each other.