Motorcycle Highway Bar Solid Cross-Section and Angled Steering
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Solution Overview
Problem
Existing two-wheeled vehicles, such as motorcycles, face challenges in the design and functionality of their highway bars, particularly in terms of structural integrity, accessory mounting, and steering axis alignment, which affect handling and accessory visibility.
Innovation Solution
The implementation of solid cross-section highway bars with removable covers and guides for flexible connectors, along with a steering system where the steering axis is angled relative to the fork axis, providing a more robust and versatile mounting system for accessories and improved handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If tubular highway bars are used for mounting accessories, then accessory mounting capability is provided, but structural integrity is reduced compared to solid cross-section bars
Solution Approach 1:
The highway bar is divided into a main structural component (solid cross-section bar) and a separate accessory mounting component (clamp). This segmentation allows the main bar to maintain full structural integrity while the clamp provides accessory mounting capability, resolving the contradiction between strength and adaptability.
Solution Approach 2:
The solid cross-section highway bar serves multiple functions: it provides structural support, acts as a mounting surface for accessories via clamps, and maintains steering geometry. This multi-functionality eliminates the need for separate tubular bars, achieving both structural integrity and accessory mounting capability.
2Adaptability or versatility
If clamps are used to mount accessories on highway bars, then accessory mounting is enabled, but the clamps may interfere with steering axis alignment and handling
Solution Approach 1:
The clamp is designed with localized mounting features that are positioned away from the steering axis path. The clamp provides accessory mounting capability at specific locations on the highway bar without interfering with the steering geometry, maintaining both accessory mounting and handling performance.
Solution Approach 2:
The clamp acts as an intermediary component that bridges the highway bar and accessories without creating a direct mechanical interference path between the accessory mounting system and the steering axis. This mediator approach allows accessory mounting while preserving steering handling characteristics.
3Ease of operation
If non-parallel steering axis and forks are used, then handling characteristics are improved, but manufacturing precision requirements increase
Solution Approach 1:
The steering system employs a dynamic geometry where the steering axis and fork axis are intentionally designed at non-parallel angles to optimize handling characteristics. This dynamic geometric relationship allows the system to adapt to manufacturing variations while maintaining desired handling performance, reducing the stringency of precision requirements.
Data Source
AI summary
A two-wheeled vehicle is disclosed. The two-wheeled vehicle may include highway bars. The two-wheeled vehicle may include a steering axis which is tilted relative to a fork axis. The two-wheeled vehicle may be configured in a faring configuration and in a non-fairing configuration.