Fishing Lure Retrieval Device for Snagged Lures
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Solution Overview
Problem
Existing fishing lure retrievers are ineffective at small inclination angles and long distances, often breaking the fishing line due to excessive tension, and are not designed for use from shore where the angler cannot easily change direction to retrieve the lure.
Innovation Solution
A compact, sturdy, cylindrical device made of stainless steel with a tapered front and a half-circle eyelet attachment to the fishing line, featuring minimal friction attachment rings and a funnel-shaped hooking plate, allowing the device to slide down the line via gravity and bounce or pull the lure free from obstacles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the fisherman pulls the fishing line hard to free the snagged lure, then the lure may be retrieved, but the fishing line breaks due to excessive tensile load
Solution Approach 1:
The retrieving device acts as an intermediary between the fisherman and the snagged lure. It attaches to the fishing line and uses gravity to slide down to the lure, then employs a separate high-strength retrieval cord to pull the lure free, preventing direct transmission of excessive force to the fishing line and avoiding line breakage
2Length of moving object
If existing retrieving devices are used at long distances and small inclination angles, then the device may reach the lure, but the fishing line breaks due to excessive tension required
Solution Approach 1:
The device uses gravity as a counterforce to pull the lure toward the fisherman. By attaching the high-strength retrieval cord to the device and allowing gravity to do the work of pulling the lure through the water, excessive tension on the fishing line is avoided even at long distances and small inclination angles
3Reliability
If telescopic poles are used to retrieve snagged lures, then the lure can be retrieved by gripping it with a solid pole, but the device has very limited use and is inconvenient to carry and transport
Solution Approach 1:
The retrieving device is segmented into separate functional components: a device body that attaches to the fishing line, hooking elements to grab the lure, and a separate retrieval cord for pulling. This segmentation allows the device to be compact and easy to store while maintaining full retrieval functionality, unlike rigid telescopic poles
4Strength
If devices that slide to the lure by gravity are used, then the device can reach the lure without excessive line tension, but the effectiveness of retrieving the lure by hitting or pulling is low at small inclination angles and long distances
Solution Approach 1:
The device serves as an intermediary that combines the benefits of gravity-based sliding with effective lure retrieval. It slides down the line using gravity to reach the lure at long distances without excessive tension, then uses the separate high-strength retrieval cord as a mediator to reliably pull the lure free, overcoming the limitations of pure gravity-based devices
Solution Approach 2:
The device performs preliminary action by sliding down the fishing line to the snagged lure using gravity before the retrieval process begins. This preliminary positioning allows the hooking elements to engage the lure and the retrieval cord to be prepared for pulling, ensuring effective retrieval even at small inclination angles and long distances
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 device effectively retrieves snagged lures at various angles and distances without damaging the line or lure, being versatile, easy to use, and durable, with minimal friction and optimal weight distribution for long-distance operation.
Implementation Method 1
Devices that are attached to the fishing line and that slide to the snagged lure by gravity
Implementation Method 2
Probably, the most hydrodynamic device in this group is the device described by J. Wilkinson in the U.S. Pat. No. 4,986,022
Data Source
AI summary
A device for retrieving the snagged fishing lure when fishing from a boat and from the shore when the snagged lure is both close to and far from the fisherman, especially when the angle of inclination to the lure is small. The hydrodynamic, slim, elongated, and cylindrical device has a sleekly tapered front part, a rear part, a hooking plate inclined at an acute angle with respect to the rear part, a center of gravity shifted towards the front of the device, two attachment rings to attach the device to the line simply, quickly, easily and reliably, while the contact of the device with the line is minimal. When the device is attached to the fishing line extending to the snagged lure, the line is inserted into the funnel-shaped notch of the hooking plate, and when the fishing rod is raised, the device slides down the line to the lure and bounces it off the obstacle. If the lure is not released, the device shall be pulled back towards the fisherman by the retrieval cord attached to the end of the device, while the device follows the tensioned fishing line, until the connecting element that connects the leader with the fishing line is trapped in the passage of the hooking plate and the lure is released from the obstacle by force.