Bicycle Shielding Canopy Assembly with Extensible Rods
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Solution Overview
Problem
Existing bicycle canopy assemblies fail to effectively shield riders from elements like rain and UV radiation while providing flexibility and adjustability for different riders and bicycle configurations.
Innovation Solution
A canopy assembly comprising arcuate first rods, extensible second rods, and a water-impermeable panel, coupled with handlebar and rear wheel clamps, allowing for adjustable positioning and protection from elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a fixed rigid canopy structure is used, then shielding effectiveness is improved, but adaptability to different riders and bicycle configurations deteriorates
Solution Approach 1:
The canopy structure employs extensible second rods with telescoping sections that can be adjusted to different lengths, allowing the canopy to adapt to various rider heights and bicycle frame sizes while maintaining continuous coverage. The rods include locking mechanisms to secure the canopy at the desired configuration.
Solution Approach 2:
The second rods are divided into multiple nested telescoping sections that can extend and retract independently, enabling fine-tuned adjustment of the canopy dimensions. This segmentation allows the same canopy structure to serve multiple rider sizes and bicycle types.
2Ease of manufacture
If a standardized canopy size is used, then manufacturing simplicity is improved, but ease of operation for different users deteriorates
Solution Approach 1:
The standardized canopy assembly incorporates telescoping second rods with locking mechanisms that enable users to easily adjust the canopy size and position according to their body dimensions and riding position, transforming a single-size-fits-all design into a user-adaptable system.
Solution Approach 2:
The canopy includes self-adjusting features where riders can independently modify the rod extensions and panel positioning to achieve optimal coverage without requiring external assistance or complex tools, maintaining ease of manufacture while improving user customization.
3Object-affected harmful factors
If the canopy extends far rearward to cover the rider's back, then shielding effectiveness is improved, but device complexity increases
Solution Approach 1:
The extensible second rods provide a space-efficient solution by allowing the canopy to extend rearward only when needed for coverage, collapsing to a compact form when not in use. This dynamic extension eliminates the need for permanently complex structural elements behind the seat.
Solution Approach 2:
The same extensible rod mechanism serves multiple functions: providing structural support for the canopy, enabling size adjustment for different riders, and extending coverage rearward when required. This multi-functionality reduces the need for separate components and simplifies the overall device.
Data Source
AI summary
A shielding canopy assembly for a bicycle includes a pair of first rods, a plurality of second rods, and a panel, which is substantially water impermeable. The panel and each second rod are coupled to and extend between the first rods, which are arcuate, to define an arch. Each of a pair of first couplers is coupled to a front end of a respective first rod. The first couplers are configured to couple to a handlebar of a bicycle to couple the pair of first rods to the handlebar. Each of a pair of second couplers is coupled to a rear end of a respective first rod. The second couplers are configured to couple to the bicycle, behind a seat of the bicycle, so that the arch is disposed over a rider who is positioned on the seat. The panel is configured to shield the rider from the elements.