Dock-Mounted Fish Live Box with Adjustable Legs
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Solution Overview
Problem
Existing floating fish baskets and live wells often lead to fish mortality due to aeration systems pulling in warm surface water, and they lack the ability to maintain fish in a natural environment for extended periods.
Innovation Solution
A dock-mounted fish live box with a frame assembly and mesh screen chamber that is adjustable to accommodate different water depths, allowing fish to be kept in a natural environment with easy access for release or cleaning, using rust-proof plastic components and adjustable clamps for stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If aeration systems are used in live wells, then oxygen supply is improved, but warm surface water is pulled in causing fish mortality
Solution Approach 1:
The invention removes the aeration system entirely from the live well design. Instead of using mechanical aeration that pulls in warm surface water, the system extracts only the necessary function of oxygen supply by relying on natural diffusion of oxygen from the surrounding body of water through the mesh screen walls of the live well.
Solution Approach 2:
The mesh screen walls act as an intermediary between the live well interior and the surrounding water. This intermediary structure allows passive oxygen diffusion and thermal equilibrium while preventing direct mechanical mixing that would introduce warm surface water. The mesh screen mediates the exchange of gases and heat without the harmful effects of active aeration.
2Ease of operation
If floating fish baskets are used, then portability is improved, but fish cannot be maintained in a natural environment for extended periods
Solution Approach 1:
The live well is designed as a modular segmented structure with a frame assembly, mesh screen panels, and detachable components. This segmentation allows the system to be assembled and disassembled easily for portability while maintaining the integrity of the water chamber for extended fish holding when deployed.
Solution Approach 2:
The invention merges the benefits of floating baskets (portability, mesh construction) with the advantages of stationary structures (stability, extended duration). The live well combines a portable mesh enclosure with a stable mounting system that can be secured to docks or boats, creating a hybrid structure that maintains fish in natural conditions for extended periods while remaining movable when needed.
3Adaptability or versatility
If base boats with live wells are used, then integration is improved, but aeration systems pull in warm surface water causing fish death
Solution Approach 1:
The invention extracts the harmful aeration function from boat-integrated live wells. The design removes mechanical aeration systems entirely, relying instead on passive oxygen diffusion through the mesh walls from the surrounding water, thereby eliminating the problem of warm surface water being drawn into the live well while maintaining boat integration capability.
Solution Approach 2:
The live well serves itself by obtaining oxygen directly from the surrounding body of water through passive diffusion across the mesh screen walls. This self-service mechanism eliminates the need for external aeration systems that would otherwise be required to maintain fish life, and it automatically adjusts to water conditions without mechanical intervention that could introduce warm water.
4Adaptability or versatility
If adjustable legs with clamps are used, then adaptability to water depth is improved, but device complexity increases
Solution Approach 1:
The leg assembly incorporates adjustable clamps that allow dynamic repositioning of the live well to various water depths. The clamps enable the legs to be adjusted along the frame members and secured at different positions, providing adaptability to different water depths while maintaining a relatively simple overall structure through modular adjustment mechanisms.
Data Source
AI summary
A fish live box has a frame assembly supporting a mesh screen surrounding a chamber for accommodating fish. A top wall and door closes the top of the frame assembly. Brackets mount the live box to a dock. Upright legs mounted on the frame assembly are vertically adjustable to locate pads on the bottom of the legs on the bed of a body of water to support the box on the bottom of a body of water.