Magnetic Buckle With Offset Magnets for One-Handed Release
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Solution Overview
Problem
Conventional buckles require significant dexterity and fine motor skills to operate, especially when using one hand, and often wear out over time due to moving and flexible parts, necessitating frequent replacement.
Innovation Solution
A magnetic buckle design featuring a male and female buckle member with offset magnets that securely latch without moving parts, allowing for one-handed operation and enhanced durability by using angled guide surfaces to facilitate unlatching.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional buckles with moving parts are used, then the buckle can be released by hand operation, but the buckle requires significant dexterity and fine motor skills to operate
Solution Approach 1:
The patent removes all moving parts and mechanical complexity from the buckle system. The release mechanism is extracted from manual manipulation of buttons, levers, or catches, and replaced with a simple magnetic field interaction that requires no dexterity or fine motor skills. The user simply pulls the strap to release, and the magnetic latch automatically disengages.
Solution Approach 2:
The patent replaces the mechanical release system with a magnetic field-based latching mechanism. Instead of using mechanical springs, levers, or buttons to hold and release the buckle, offset magnets create a magnetic field that automatically latches the buckle when brought together and releases when pulled apart, eliminating the need for complex mechanical operation.
2Reliability
If conventional buckles with moving parts are used, then the buckle can be operated to latch and unlatch, but the moving and flexible parts wear out after a certain number of use cycles
Solution Approach 1:
The patent extracts all wear-prone moving parts from the buckle system. By removing flexible arms, movable catches, springs, and other mechanical components that undergo repeated stress cycles, the design eliminates the sources of wear and failure. The remaining structure consists only of static components that do not degrade through use.
Solution Approach 2:
The patent substitutes the mechanical latching system with a magnetic field-based system that has no contact wear. The offset magnets create a magnetic force field that holds the buckle closed without physical contact between moving parts, and releases when the magnetic force is overcome by pulling the strap, eliminating friction, wear, and fatigue associated with mechanical components.
3Reliability
If magnets are offset from each other along the longitudinal axis, then the magnets pull the latching means into engagement, but the buckle requires a specific orientation for proper latching
Solution Approach 1:
The patent employs asymmetric positioning of the magnets within the buckle housing. The magnets are deliberately offset from the centerline and from each other along the longitudinal axis, creating an asymmetric magnetic field distribution. This asymmetric configuration generates both the latching force and a rotational moment that automatically orients the buckle correctly during the latching process, ensuring reliable engagement without requiring precise manual alignment.
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 buckle provides a durable, easy-to-use solution that can be operated with one hand and maintains a secure latched condition until manually unlatched, reducing wear and tear on components.
Implementation Method 1
A magnet is arranged within each buckle member. The magnets are arranged so as to be offset from each other along a longitudinal axis of the buckle when the buckle is latched. The magnet of the male buckle member is offset from the magnet of the female buckle member in a release direction such that magnets pull the male latching means into the corresponding female latching means
Data Source
AI summary
A magnetic buckle includes first and second buckle members. The first buckle member includes a first end and a second end adapted to engage a strap, a mounting surface, a latching aperture defined in the mounting surface, and a first magnet. A release direction extends along a longitudinal axis of the first buckle member from the first end to the second end. The second buckle member includes a joining surface adapted to be joined with the mounting surface, a latch hook adapted to engage the latching aperture extending from the joining surface, and a second magnet. The magnets pull the latch hook into engagement with the latching aperture when the joining surface is placed in proximity to the mounting surface. Engagement of the latching aperture by the latch hook prevents the second buckle member from being pulled apart from the first buckle member in a direction orthogonal to the mounting surface or against the release direction.