Guard Dog Hook Setting Device Trigger Mechanism
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Solution Overview
Problem
Existing hook setting devices for fishermen are often complex, inconvenient, and require constant attention, leading to missed hook settings when a fish bites, especially when the rod is unmanned, and lack adjustability to suit different fishing environments.
Innovation Solution
The Guard Dog device features a tension cord with adjustable sensitivity settings from a few ounces to several pounds, allowing for universal fitment on various fishing rods and environments, using a simple mechanism that doesn't require tools or counterweight balance, and is compact and portable.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a manual quick jerk hook-setting technique is used, then the hook can be set quickly and securely, but the fisherman must constantly hold the rod and be attentive, which is inconvenient and leads to missed hook settings when the rod is unmanned
Solution Approach 1:
The device enables the fishing rod to set the hook automatically without requiring the fisherman's manual intervention. The mechanical trigger system detects fish bites and automatically activates the hook-setting mechanism, allowing the rod to serve itself in the critical moment when the fisherman is not attending to it.
Solution Approach 2:
The patent replaces the fisherman's manual mechanical action (jerking the rod) with an automated mechanical trigger system. The trigger mechanism detects the fish bite through line tension changes and automatically initiates the hook-setting sequence, substituting human reaction and manual operation with a self-actuating mechanical system.
2Extent of automation
If existing hook setting devices are used, then automatic hook setting is achieved, but the devices are complex, inconvenient, and require tools or counterweight balance
Solution Approach 1:
The patent extracts and eliminates unnecessary components from previous automatic hook-setting devices, specifically removing the need for counterweight balances, multiple adjustment mechanisms, and complex trigger assemblies. The design uses only essential elements: a trigger body, tension cord, and simple mechanical linkage, reducing the device to its core functional components.
Solution Approach 2:
The patent implements adjustability through parameter changes in the tension cord system. By allowing the tension cord to be repositioned along the trigger body, the sensitivity threshold can be adjusted to match different fishing conditions, providing versatility without requiring multiple devices or complex adjustment mechanisms.
3Extent of automation
If existing hook setting devices are used, then automatic hook setting is achieved, but they lack adjustability to suit different fishing environments
Solution Approach 1:
The patent introduces dynamic adjustability to the automatic hook-setting device through the repositionable tension cord. This allows the device to adapt its sensitivity threshold according to varying fishing conditions such as water current, wave resistance, and target fish size, transforming a static device into a dynamically adjustable one that can be optimized for different environments.
4Ease of operation
If the rod is left unmanned to allow fisherman to tend to other tasks, then convenience is improved, but the fish may get away without being hooked
Solution Approach 1:
The device enables the fishing rod to set the hook automatically without requiring the fisherman's manual intervention. The mechanical trigger system detects fish bites and automatically activates the hook-setting mechanism, allowing the rod to serve itself in the critical moment when the fisherman is not attending to it.
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 automatic and quick hook setting without relying on the fisherman's reaction time, providing a nearly limitless range of tension settings for effective hooking in various fishing conditions, including currents and wave resistance.
Implementation Method 1
a tension cord (50) with two opposite ends; a means to slidably fasten the tension cord (50) at a first end to the trigger body (39)
Data Source
AI summary
A hook setting device which is controlled by a trigger sprung and activated by a tension string while unaffecting the fishing line. The device has an adjustable trigger and includes a trigger body with a nose to engage the rod eyelet, a tension string, a way to movably fasten the tension string at one end into multiple positions which in turn establishes the release force to set the hook, and a way to fasten the tension string to a fixed point. Thus the fishing pole with its rod eyelet attached to the nose of the trigger and its handle fixed in a rod holder, is bent into an arched position. When a fish pulls on the hook on the line, the nose dislodges from the rod eyelet of the arched rod and creates a spring force that immediately sets the hook into a mouth of the fish.