Permanent Jewelry Clasp With Weld-Free Mechanical Interlock
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Solution Overview
Problem
Existing permanent jewelry attachment methods involve high-risk welding, lack consumer-level customization, and require professional services, limiting accessibility and personalization while compromising on quality and durability.
Innovation Solution
A permanent jewelry clasp device with two interlocking halves, featuring a compressible fastener that expands within an opening to create a secure mechanical lock without welding, allowing users to assemble at home and customize using hypoallergenic materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If welding is used to attach jewelry components permanently, then the bond strength and durability are improved, but the safety risks and harmful effects increase
Solution Approach 1:
The patent replaces the thermal welding process with a mechanical interlocking system. The compressible fastener inserts into the second half and engages with the internal fastener through pure mechanical force, eliminating the need for heat and welding equipment, thus removing safety hazards while maintaining bond strength
Solution Approach 2:
The fastener material is designed with specific elastic properties that allow it to be compressed during insertion and then expand to create a secure mechanical lock. This parameter change from compressed to expanded state enables the fastener to engage positively with the internal fastener, achieving strong bonding without thermal processes
2Reliability
If professional services are required for permanent jewelry creation, then the quality and durability are improved, but the accessibility and ease of operation deteriorate
Solution Approach 1:
The clasp device is designed as a self-service system where consumers can assemble their own permanent jewelry at home. The first half with the compressible fastener and the second half with the internal fastener are provided as separate components that users can easily assemble without professional help, maintaining quality while dramatically improving accessibility
Solution Approach 2:
The clasp is divided into two separable halves that can be independently handled and assembled. This segmentation allows consumers to perform the assembly operation themselves at home, eliminating the need for professional services while ensuring proper installation through the designed interface
3Duration of action of stationary object
If welding methods are used for permanent attachment, then the durability is improved, but the device complexity and manufacturing process complexity increase
Solution Approach 1:
The patent replaces complex welding processes with a simple mechanical interlocking mechanism. The compressible fastener and internal fastener engage through basic mechanical insertion and locking, significantly simplifying both the manufacturing process and the end-user assembly operation while maintaining long-term durability
4Ease of manufacture
If limited customization options are provided, then the manufacturing simplicity is improved, but the adaptability and versatility deteriorate
Solution Approach 1:
The clasp design provides universal applicability across different jewelry types and styles. The standardized interface between the first and second halves allows the same basic mechanism to work with various chain types, jewelry designs, and material combinations, enabling consumers to customize their pieces while maintaining manufacturing simplicity
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
Provides a safe, accessible, and customizable solution for creating permanent jewelry with a reliable mechanical lock, enhancing user convenience and durability.
Implementation Method 1
The first half features a compressible V-shaped fastener that contracts during insertion into an opening in the second half and expands within the interior space to lock securely against an internal fastener
Data Source
AI summary
A permanent jewelry clasp device is provided. The device is comprised of a jewelry clasp designed to provide a secure, aesthetic fastening for jewelry items such as bracelets, necklaces, and anklets. The clasp comprises two interlocking halves forming a clasp body. The first half features a compressible V-shaped fastener that contracts during insertion into an opening in the second half and expands within the interior space to lock securely against an internal fastener, preventing disengagement. To assist with alignment, the second half may include a tapered opening. Each half includes a loop fastener for attaching to a jewelry chain. A method of use involves inserting and locking the fastener within the clasp body, followed by securing the jewelry chain to complete the assembly.