Bicycle Handlebar Mounting Assembly with Nested Adapter
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Solution Overview
Problem
Existing bicycle operating device mounting assemblies face challenges in securely attaching various operating devices to handlebars, particularly due to oversized clamp openings that require additional components or deformation, and lack efficient configurations for multiple device mounting.
Innovation Solution
A bicycle operating device mounting assembly comprising a handlebar mounting clamp and adapter members with specific diameters and configurations, including connecting and projecting portions, to securely attach brake, mechanical shifting, electrical shifting, suspension, and adjustable seatpost operating devices, using tightening bolts and preventing structures to prevent relative movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the clamp opening diameter is made large to accommodate various handlebars, then compatibility is improved, but the connecting portion becomes loose and insecure
Solution Approach 1:
The patent introduces a connecting portion as an intermediary element between the clamp opening and the handlebar. This connecting portion has a diameter smaller than the clamp opening, creating a secure fit while the larger clamp opening maintains compatibility with various handlebar sizes. The intermediary connecting portion ensures reliable mounting without requiring the clamp opening to be precisely sized for each handlebar.
2Adaptability or versatility
If multiple operating devices are mounted on the handlebar, then functionality is improved, but the mounting structure becomes complex and space-consuming
Solution Approach 1:
The clamp assembly is designed with universal mounting capabilities that can accommodate multiple operating devices (brake levers, shifters, suspension controls, etc.) on a single handlebar. The projecting portion with mounting structure serves as a multi-functional platform, eliminating the need for separate complex mounting structures for each device type.
Solution Approach 2:
The connecting portion is nested within the clamp opening, and additional operating devices can be nested on the projecting portion. This nested arrangement allows multiple devices to be mounted in a compact configuration without excessive space requirements or structural complexity.
3Reliability
If additional components are added to secure the connecting portion, then mounting reliability is improved, but the device complexity increases
Solution Approach 1:
The preventing structure is merged with the connecting portion as an integrated component rather than a separate addition. This integration maintains mounting reliability through the preventing structure while avoiding the increased complexity that would result from adding separate securing components.
Data Source
AI summary
A bicycle operating device mounting assembly is basically provided with a handlebar mounting clamp and an adapter member. The handlebar mounting clamp has a clamp opening that defines a first diameter. The adapter member includes a connecting portion and a projecting portion. The connecting portion is detachably disposed within the clamp opening. The projecting portion projects from the clamp opening. The connecting portion has a second diameter that is smaller than the first diameter. The connecting portion is configured to clamp a handlebar as the handlebar mounting clamp is tightened in a state that the connecting portion is disposed within the clamp opening.