Magnetic Hinge Box Call Lid Angle Adjustment
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Solution Overview
Problem
Traditional box calls require high skill to operate effectively due to variations in sound generation based on force and angle adjustments, and their connection systems often make it difficult to maintain and reproduce desired sounds, leading to inadvertent noise and cumbersome adjustments.
Innovation Solution
A box call design featuring a magnetic hinge that connects the lid to the box using magnetic members, allowing for adjustable pivotal motion about multiple axes, enabling easy disassembly and adjustment of the lid's angle relative to the box to control sound production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional screw and spring connection is used to connect the lid to the box, then the lid can be adjusted to different angles, but the connection becomes complex and difficult to maintain the desired angle
Solution Approach 1:
The patent replaces the traditional mechanical screw and spring connection system with a magnetic field-based connection system. The magnetic hinge uses magnetic attraction forces to hold the lid at desired angles without requiring threaded screws or coiled springs, thereby reducing mechanical complexity while maintaining angle adjustment capability.
Solution Approach 2:
The patent changes the fundamental parameter of connection from mechanical interlocking (screws) and elastic deformation (springs) to magnetic field interaction. This parameter change allows for smoother angle adjustments and easier maintenance of desired lid positions without the complexity of traditional mechanical fastening systems.
2Strength
If a screw connection is used to connect the lid to the box, then the lid can be securely attached, but disassembly requires unthreading the screw which is time-consuming
Solution Approach 1:
The patent substitutes the time-consuming screw unthreading operation with a simple magnetic field release mechanism. The magnetic hinge maintains strong connection during use but allows for rapid disassembly by simply overcoming the magnetic attraction, eliminating the need to unscrew threads and significantly reducing disassembly time.
3Device complexity
If the lid is connected rigidly to the box, then the structure is simple, but the sound production varies significantly with force and angle adjustments requiring high skill
Solution Approach 1:
The patent introduces dynamic angle adjustment capability through the magnetic hinge system, allowing the lid to be positioned at optimal angles for consistent sound production. Unlike rigid connections that require precise manual positioning skill, the magnetic hinge maintains stable lid positions naturally, making sound production more consistent and easier for operators of varying skill levels.
4Ease of manufacture
If traditional box call construction is used, then the manufacturing is straightforward, but the angled position of the lid is difficult to maintain and reproduce
Solution Approach 1:
The patent replaces complex mechanical angle-maintenance mechanisms with a magnetic field-based system. The magnetic hinge naturally holds the lid at desired angles through magnetic attraction, eliminating the need for complex mechanical stops or adjustment mechanisms while improving angle stability and reproducibility.
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 magnetic hinge allows for easier operation and adjustment of sound tones and volumes, reducing the likelihood of inadvertent noise and simplifying handling, as it provides a secure connection that can be quickly disengaged, facilitating precise sound replication and easier storage.
Implementation Method 1
The magnetic hinge releasably connects the lid to the box using at least one magnetic member. The magnetic hinge may include a first magnet member connected to the lid, and a second magnet member connected to the box, wherein the first and second magnet members provide a magnetic force that releasably connects the lid to the box.
Implementation Method 2
The first and second magnet covers may define a bearing surface that provides pivotal movement between the lid and box.
Data Source
AI summary
A box call includes an elongate box, a lid, and a magnetic hinge. The elongate box includes a pair of longitudinally extending walls, a sound chamber between the walls, and a upper edge on each of the walls. The lid has a contact surface arranged to contact at least one of the upper edges to create a sound. The lid is connected to the box with the magnetic hinge. The magnetic hinge releasably connects the lid to the box using at least one magnetic member.