Multipiece Handlebar Assembly with Interjoining Features
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Solution Overview
Problem
The manufacturing, polishing, chroming, finishing, shipping, storage, installation, and replacement of single-unit motorcycle handlebars are challenging due to their large dimensions, making them difficult and expensive.
Innovation Solution
A multipiece handlebar assembly comprising two sections with interjoining features, such as sawtooth profiles and removable attachments, allowing for easy assembly and disassembly, and secure mounting to the motorcycle's yoke or crown, reducing the size and complexity of individual components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If single-piece handlebars are manufactured, then structural integrity is maintained, but manufacturing complexity and cost increase due to large dimensions requiring polishing, chroming, and finishing
Solution Approach 1:
The handlebar is divided into multiple separate sections (left handlebar section and right handlebar section) that can be manufactured independently with smaller dimensions, avoiding the complexity of manufacturing, polishing, chroming, and finishing large single-piece handlebars while maintaining structural integrity through the interjoining feature
2Ease of operation
If single-piece handlebars are used, then structural strength is maintained, but shipping and storage difficulty increase due to large dimensions
Solution Approach 1:
The handlebar is segmented into multiple smaller sections that can be shipped and stored more easily, while the interjoining feature with attachment features (such as bolts and nuts) ensures structural strength is maintained during use, resolving the contradiction between ease of shipping/storage and structural strength
3Ease of repair
If single-piece handlebars are used, then installation is simplified, but replacement difficulty and cost increase due to large dimensions
Solution Approach 1:
The handlebar is divided into multiple sections with interjoining features that allow for easy assembly and disassembly, enabling quick replacement by simply removing the attachment features (such as bolts and nuts) from the yoke or crown, thereby reducing replacement time and effort while maintaining structural integrity
4Ease of manufacture
If multipiece handlebar assembly is used, then manufacturing and shipping costs are reduced, but assembly complexity increases due to multiple components
Solution Approach 1:
The handlebar is segmented into multiple sections that can be manufactured separately with reduced complexity and cost, while the interjoining feature with attachment features provides a simple and intuitive assembly mechanism that minimizes assembly complexity, resolving the contradiction between manufacturing cost reduction and assembly complexity
Data Source
AI summary
A multipiece handlebar assembly, method of assembly and kit are disclosed. The multipiece handlebar assembly, method and kit includes a first handlebar section having a first grip end spaced apart from a first handlebar mounting end and a second handlebar section having a second grip end spaced apart from a second handlebar mounting end. An interjoining feature is at the first and second handlebar mounting ends, wherein the interjoining feature on the first handlebar mounting end is removably secured to the interjoining feature on the second handlebar mounting end. At least one removably secured attachment feature is secured through the interjoining feature.


