Two-Piece Fastener With Complementary Teeth for Mixed Thickness Joints
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Solution Overview
Problem
Existing reusable attachment means fail to effectively join materials of significantly different thicknesses, lacking a reliable and efficient solution for secure and repeatable attachment.
Innovation Solution
A two-piece fastener system comprising a bolt portion and a locking base with complementary teeth, allowing for mechanical engagement and disengagement, featuring a stem with a beveled end and a locking pin for secure attachment and quick release, suitable for substrates of varying thicknesses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing reusable attachment means are used, then attachment can be achieved, but they fail to effectively join materials of significantly different thicknesses
Solution Approach 1:
The fastener is divided into two separate pieces: a bolt portion and a locking base. This segmentation allows each component to be optimized independently - the bolt can be configured for one thickness while the locking base accommodates the other, enabling reliable attachment of materials with significantly different thicknesses that single-piece fasteners cannot handle
Solution Approach 2:
The invention introduces a vertical stacking dimension by positioning the bolt and locking base at different heights along the stem axis. This dimensional arrangement allows the fastener to accommodate thickness variations in the attached materials by adjusting the vertical positions of the two pieces, rather than requiring them to be at the same level
2Device complexity
If a single-piece fastener is used, then结构简单性 is improved, but it cannot accommodate varying substrate thicknesses without over-stressing
Solution Approach 1:
Dividing the fastener into two separate pieces allows each component to be optimized for its specific function and the local mechanical conditions. The bolt and locking base can be independently sized and shaped to distribute loads appropriately, preventing over-stressing that would occur in a single-piece design where all components must be uniformly sized
Solution Approach 2:
Each piece of the fastener can have different local properties optimized for its specific role. The bolt portion can be designed with properties suitable for insertion and engagement, while the locking base can have properties optimized for securing and load distribution, allowing the overall system to handle varying substrate thicknesses without compromising strength
3Reliability
If a two-piece fastener with complementary teeth is used, then secure engagement is achieved, but device complexity increases
Solution Approach 1:
The two pieces of the fastener combine to form a complete fastening system where the bolt and locking base work together as an integrated unit. The complementary teeth on each piece merge to create a unified engagement mechanism that provides secure attachment while maintaining relative simplicity through the coordination of just two components
Data Source
AI summary
A two-piece fastener used to combine two substrates of the same or differing thickness. The fastener may include a bolt portion and a locking base. The bolt portion and locking base may include complimentary sets of teeth and mechanically engage with one another when the bolt is passed through the two substrates and affixed to the locking base.