Electronic Latching Device with Solenoid Pivot Arm
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Solution Overview
Problem
Hunters face challenges in safely and efficiently securing their dogs during duck hunting, as current methods can be dangerous for the dogs and inefficient for the hunters, as dogs often leave the blind prematurely before commands are given.
Innovation Solution
A remote-controlled latching device that securely fastens a dog to a fixed point, allowing for remote release, using a solenoid mechanism to lock and unlock a leash attachment, enabling the dog to stay in position until commanded to retrieve, applicable beyond hunting scenarios for training or restraining animals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a hunter stands on the dog leash to prevent premature departure, then the dog is secured safely, but the hunter cannot maintain focus on hunting activities
Solution Approach 1:
The patent replaces the mechanical system of the hunter physically holding the leash with an electronic solenoid locking mechanism. The solenoid electronically controls the leash attachment, allowing the dog to be securely fastened without requiring the hunter's continuous physical intervention. This substitution of mechanical human effort with an automated electronic system resolves the contradiction between dog security and hunter convenience.
2Reliability
If a hunter wraps the leash around a tree and hooks the dog, then the dog is secured, but the hunter must physically unhook the dog each time for retrieval
Solution Approach 1:
The patent replaces the manual mechanical hooking system with an electronic solenoid locking mechanism that can be remotely activated. The solenoid electronically locks and unlocks the leash attachment, eliminating the need for the hunter to physically unhook the dog. This automated electronic system resolves the contradiction by maintaining secure attachment while enabling rapid release without physical intervention.
3Reliability
If the dog is wrapped around a tree with a hook, then the dog cannot leave early, but the dog is potentially hung by the leash if falling from the stand
Solution Approach 1:
The patent incorporates a self-releasing mechanism where the solenoid locking system automatically releases the leash attachment under excessive load or stress. If the dog falls or pulls too hard, the mechanism detects the abnormal force and automatically unlocks, preventing the leash from hanging or strangling the dog. This self-service safety feature resolves the contradiction by maintaining restraint while eliminating the hanging hazard.
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 ensures the dog's safety by preventing premature departure and streamlining the retrieval process, allowing hunters to maintain focus while ensuring the dog's secure attachment and remote release, adaptable for various applications including police or military use.
Implementation Method 1
using a solenoid mechanism to lock and unlock a leash attachment
Data Source
AI summary
An electronic latching device having a solenoid, latch, locking piece, and a pivot arm. One end of the pivot arm is connected to the solenoid actuator and the other end is connected to the locking piece. Upon electronic activation, the solenoid actuator moves in a lateral direction, which causes the end of the pivot arm connected to the actuator to move in the same direction. This movement causes the pivot arm to pivot about the pivot point, resulting in the movement of the opposite end of the pivot arm to move in a second and opposite direction. This movement of the second end of the pivot arm in the second direction causes the locking piece to move in the same second direction, unlocking the device and allowing for the latch to freely move to an open position.