Handlebar Riser Assembly with Sliding Mounts for Adjustable Positioning
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Solution Overview
Problem
Existing handlebar mounting systems for vehicles lack flexibility in adjusting the height and angle of handlebars relative to the steering structure, limiting rider comfort and customization options.
Innovation Solution
A handlebar riser assembly with a pair of mounts that can be longitudinally extended or contracted and radially rotated, featuring a sliding engagement mechanism with elongated slots and protrusions to allow for adjustable coupling to a steering stem, providing both longitudinal and rotational adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed handlebar mounting system is used, then the structure is simple and reliable, but the adjustability of handlebar height and angle is limited
Solution Approach 1:
The mounting system transitions from a fixed structure to a dynamic adjustable structure. The first and second members are designed to slide relative to each other along a longitudinal axis, enabling continuous adjustment of handlebar height and angle while maintaining structural integrity through the sliding engagement mechanism with elongated slots and protrusions.
Solution Approach 2:
The mounting system is divided into separate adjustable components (first member and second member) that can move independently relative to each other. This segmentation allows for multi-directional adjustment while keeping each component relatively simple in design, resolving the contradiction between adaptability and complexity.
2Adaptability or versatility
If a sliding engagement mechanism with elongated slots and protrusions is used, then continuous adjustment is enabled, but the manufacturing precision requirements increase
Solution Approach 1:
The system uses a dynamic sliding engagement where the elongated slot and protrusion work together to provide continuous adjustment range. The design accepts normal manufacturing tolerances while maintaining functional precision through the inherent guidance of the slot-protrusion interface, avoiding the need for extremely tight tolerances.
Solution Approach 2:
The protrusion acts as an intermediary element that fits within the elongated slot, providing a simple mechanical guidance system. This intermediary mechanism converts complex multi-degree-of-freedom adjustment requirements into a simple linear sliding motion that is easy to manufacture with standard tolerances.
3Ease of operation
If multiple adjustment degrees of freedom are provided, then rider comfort is enhanced, but the device complexity increases
Solution Approach 1:
The mounting system provides two degrees of freedom (longitudinal sliding and radial rotation) through a single integrated sliding mechanism. This dynamic design allows riders to adjust both handlebar height and angle using the same fundamental mechanism, enhancing comfort without proportionally increasing complexity.
Solution Approach 2:
The sliding engagement mechanism between the first and second members serves multiple functions simultaneously: it provides longitudinal adjustment, radial rotation capability, and structural support. This multi-functionality achieves enhanced rider comfort while keeping the overall device complexity manageable through a unified mechanism.
Data Source
AI summary
A handlebar riser assembly for use with a steering mechanism of a vehicle is disclosed. The riser assembly includes a pair of mounts for coupling a handlebar to a steering stem of a vehicle. Each mount includes a first member having an elongated slot and a protrusion extending from the side of the first member, and a second member having an elongated slot and a protrusion extending from the side of the second member. The first and second member are positioned together such that the protrusion from the first member is slidably disposed within the elongated slot of the second member, and the protrusion from the second member is slidably disposed within the elongated slot of the first member.