Fishhook Remover Needle Jaw Mechanism
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Solution Overview
Problem
Anglers face difficulties and risks when removing fishhooks from caught fish, as existing methods can cause damage to the fish and require substantial force, leading to potential injury.
Innovation Solution
A fishhook remover device with a first jaw and a second jaw, featuring a needle that engages the fishhook's eye, allowing the jaws to move between open and closed positions to securely retain the hook, reducing the need for excessive gripping pressure and minimizing fish damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional methods (pliers, hands) are used to remove fishhooks, then the user can access the fishhook, but substantial gripping pressure is required which causes damage to the fish's tissues and potential injury to the user
Solution Approach 1:
The needle acts as an intermediary element that engages with the eye of the fishhook, providing a secure anchoring point. This allows the jaws to apply force to the needle rather than directly gripping the fishhook or fish tissues, reducing damage while enabling effective removal
Solution Approach 2:
The device divides the fishhook engagement into distinct functional zones: the needle engages the eye of the hook, while the jaws provide clamping force. This segmentation allows each component to perform its specific function optimally without compromising the fish tissues
2Device complexity
If conventional methods are used to remove fishhooks, then no special mechanism is needed, but the process is difficult and dangerous requiring substantial force
Solution Approach 1:
The device merges the needle engagement mechanism with the jaw clamping mechanism into a single integrated tool. The needle projects from the first jaw and works in conjunction with the second jaw's opening, combining anchoring and securing functions in one device to enable safe and effective fishhook removal
3Ease of operation
If the jaws are kept separated to access the fishhook eye, then the fishhook can be engaged, but the fishhook cannot be securely retained without excessive gripping pressure
Solution Approach 1:
The needle serves as a mediator that bridges the gap between jaw separation and secure retention. By engaging the needle with the fishhook eye before closing the jaws, the device achieves both accessibility and secure retention without requiring excessive gripping pressure on the fish tissues
Data Source
AI summary
A fishhook remover for dehooking a fishhook from a catch is provided. The fishhook remover includes a first jaw and a second jaw, wherein the first jaw has a needle for engaging an eye of the fishhook, the needle projecting from a surface of the first jaw toward an opposing surface of the second jaw; wherein the second jaw has an opening on the opposing surface that is configured to receive the needle. The first and second jaws are operatively coupled to move between an open position where the first and second jaws are separated by a maximum distance possible and the eye of the fishhook can fit over the needle, and a closed position where the first and second jaws are at their closest approach to one another and the needle contacts the second jaw to securely retain the fishhook between the first and second jaws.