Trolling Diver With Pivot Release Arm
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Solution Overview
Problem
Existing trolling divers face difficulties in deep diving and efficient retrieval due to drag resistance, especially when attempting to pull a hooked fish back to the surface, as they are not designed for minimal drag resistance in both diving and retrieval modes.
Innovation Solution
A trolling fishing diver device featuring a guide plate, cylindrical body, fin, and release arm with a catch assembly that allows for orientation changes from a 'trolling' mode to a 'release' mode, minimizing drag resistance during retrieval by aligning the guide plate with the fishing line, facilitating easy retrieval of the diver and hooked fish.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a rounded or circular diver shape is used, then the diver can cover wide areas in the water, but the rounded shape creates extra drag resistance when moving through the water, especially when retrieving a hooked fish
Solution Approach 1:
The diver incorporates a release arm that can pivot between a first position during trolling and a second position during retrieval. This dynamic repositioning allows the diver to optimize its shape for different operational modes: wide coverage during trolling and minimal drag during retrieval when the release mechanism is activated
Solution Approach 2:
The diver features a guide plate specifically positioned to interact with water flow during retrieval. This localized structural element is designed to reduce drag resistance in the critical retrieval direction, while the rest of the diver body maintains its original configuration for trolling operations
2Object-affected harmful factors
If a thin and elongate diver design is used, then the diver can lower through the water to a desired depth with minimal drag resistance, but the diver is not designed to be retrieved and raised through the water with the same efficiency
Solution Approach 1:
The release arm pivots from a first position optimized for diving to a second position optimized for retrieval. This dynamic change allows the same diver structure to achieve minimal drag resistance in both diving and retrieval operations, resolving the contradiction between dive efficiency and retrieval efficiency
Solution Approach 2:
The guide plate is pre-positioned on the diver body to interact with water flow during retrieval operations. This preliminary positioning of the guide plate ensures that when retrieval is needed, the diver is already configured to minimize drag resistance, eliminating the need for structural changes during the retrieval process
3Ease of operation
If known divers with release mechanisms are used, then the release mechanism allows for retrieving the diver and hooked fish, but the diver is not shaped to allow retrieval with minimal drag resistance
Solution Approach 1:
The guide plate is specifically designed and positioned to reduce drag resistance during retrieval operations. This localized structural enhancement addresses the drag issue without compromising the release mechanism functionality, as the guide plate works in conjunction with the release arm to optimize retrieval efficiency
Solution Approach 2:
The release arm is designed to pivot between positions, and the guide plate is positioned to interact with water flow during retrieval. This dynamic interaction between the release mechanism and guide plate ensures minimal drag resistance during retrieval while maintaining full release functionality
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
Enables efficient diving to desired depths with minimal drag resistance and streamlined retrieval of the diver and fish, reducing the effort required to bring the fishing gear back to the surface.
Implementation Method 1
Since the fishing line is firmly held by the fisherman or secured to a fishing rod mounted to the boat, the increased tension causes the release arm to dislodge from the catch assembly
Implementation Method 2
the fishing diver includes a guide plate, a cylindrical body, and a fin having an elongate and streamlined contour for allowing the diver to travel through the water to a desired depth
Data Source
AI summary
A trolling diver device includes a cylindrical body carried by a guide plate and a fin extending away from the cylindrical body for positioning a lure or bait at a predetermined depth. The diver is lowered and maintained at the predetermined depth while a fishing line connected to a boat pulls the diver through the water. A release arm is pivotally mounted to the guide plate and releasably movable between a locked and unlocked position for orienting the diver device in water so as to minimize drag while raising a hooked fish and the diver device toward the surface.