Motorcycle Handlebar Grip Assembly Spring-Loaded Clip
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Solution Overview
Problem
Existing motorcycle handlebar grip assemblies are difficult to assemble and mount, often requiring adhesives which increase construction costs and complexity.
Innovation Solution
A motorcycle handlebar grip assembly comprising an outer grip tube with a wall groove and an inner grip tube with a ramped wall portion and adjacent groove, secured together by a spring-loaded retainer clip, eliminating the need for adhesives and simplifying assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If adhesives are used to secure the grip tubes together, then the assembly becomes more reliable, but the device complexity and manufacturing cost increase
Solution Approach 1:
The patent replaces the chemical bonding system (adhesives) with a mechanical fastening system. A retainer clip with spring-loaded arms engages with grooves in both the inner and outer grip tubes, providing a secure mechanical connection that eliminates the need for adhesives. This substitution reduces assembly complexity and manufacturing costs while maintaining assembly reliability.
2Reliability
If adhesives are used to secure the grip tubes, then the assembly becomes more reliable, but construction costs increase
Solution Approach 1:
The patent replaces expensive adhesive materials and complex application processes with a simple mechanical retainer clip system. The retainer clip can be manufactured using standard metal forming processes and installed through simple snap-fit assembly, significantly reducing construction costs while maintaining assembly reliability.
3Ease of operation
If a simple fit-together design is used without adhesives, then ease of assembly improves, but assembly reliability may deteriorate
Solution Approach 1:
The patent incorporates a spring-loaded retainer clip that provides dynamic fastening. The spring arms can flex during assembly to accommodate minor dimensional variations, then apply continuous radial force to maintain a secure connection. This dynamic mechanism ensures easy assembly while maintaining high assembly reliability through constant engagement force.
Solution Approach 2:
The retainer clip is nested within the outer grip tube, with its arms extending into grooves of both the inner and outer tubes. This nested configuration allows the clip to securely bind both tubes together in a compact arrangement, providing reliable fastening while maintaining ease of assembly through a single-piece design.
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 solution provides a secure, easy-to-assemble handlebar grip assembly that reduces construction costs and simplifies the mounting process, ensuring a secure fit without the use of adhesives.
Implementation Method 1
A spring-loaded retainer clip is positioned within the wall groove and the groove of the second tube wall portion
Data Source
AI summary
A motorcycle handlebar grip assembly includes an outer grip tube and an inner grip tube. The outer grip tube includes a groove in the inner tube wall surface, which aligns with a groove in an outer tube wall surface of the inner grip tube. A spring loaded retainer clip is positioned within the grooves of the inner and outer grip tubes to secure the inner and outer grip tubes together without the need for an adhesive.