Magnetic Clasp for Customizable Fancy Bracelets
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Solution Overview
Problem
Existing fancy bracelet clasps are costly to manufacture and not easily customizable, especially when made of fabric, as they often require permanent fastening methods like soldering, which is not suitable for all materials.
Innovation Solution
A clasp design featuring two complementary L-shaped portions held together by a magnetic effect, with grooves and side projections for secure attachment, and additional features like keying holes and lugs, double-headed rivets, and T-shaped or strip fasteners for easy customization and interchangeability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If soldering is used to fasten bracelet ends to the clasp, then the fastening is permanent and secure, but the bracelet cannot be customized or interchanged and the manufacturing cost increases
Solution Approach 1:
The clasp is divided into two separate magnetic portions that can be independently attached to different bracelet ends, allowing the bracelet to be disassembled and reconfigured with different components for customization while maintaining secure fastening through magnetic attraction
Solution Approach 2:
The patent replaces the traditional mechanical soldering process with a magnetic field-based attachment system, where magnetic portions attract each other to secure the bracelet ends without permanent bonding, enabling easy removal and reattachment for customization purposes
2Reliability
If soldering is used to fasten bracelet ends to the clasp, then the connection is durable, but the manufacturing process becomes more complex and costly
Solution Approach 1:
The patent replaces the complex soldering process with a simpler magnetic attachment system where pre-formed magnetic portions are attached to clasp components, eliminating the need for specialized soldering equipment and processes while maintaining durable connections through magnetic force
Solution Approach 2:
The magnetic portions automatically secure the bracelet ends through magnetic attraction without requiring additional fastening operations or complex assembly procedures, simplifying the manufacturing process while ensuring reliable connections
3Device complexity
If the clasp is designed as a single solid piece, then the structure is simple, but the bracelet cannot be customized or interchanged
Solution Approach 1:
The clasp is segmented into two separate magnetic portions that can be independently designed and attached to different bracelet ends, enabling customization and interchangeability while keeping each individual portion structurally simple and easy to manufacture
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 clasp allows for quick and cost-effective customization and interchangeability of fancy bracelets, suitable for various materials including fabric, by using magnetic attachment and adjustable fasteners, enhancing usability and versatility.
Implementation Method 1
the two complementary portions being suitable for being held together by a magnetic effect
Data Source
AI summary
A clasp for a fancy bracelet comprises a body (1) having two opposite sides to which respective ones of the ends of the bracelet come to be fastened. The body of the clasp is configured as two complementary portions (1A, 1B), each of which forms one respective side of the clasp, and holding together by a magnetic effect. Each portion of the clasp has a groove in its fastening side for fastening to a respective end of the bracelet, which groove is a groove (3A, 3B) partially closed with undercutting, and extends longitudinally between two groove ends along the fastening side.