High-Density Bike Rack With Diagonal Tube Assemblies
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Solution Overview
Problem
Urban bike parking infrastructure is inadequate, leading to bicycles being attached randomly to bike racks, which can block sidewalks and damage bikes due to lack of organization and secure mounting solutions.
Innovation Solution
A high-density bike rack system featuring a mandrel-bent metal tubing structure with diagonal tube assemblies, vertical displacement structures, and radiused forward portions to securely and efficiently mount multiple bicycles without entanglement, using a mounting plate assembly for secure attachment to surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If simple bike racks are used, then the device complexity is reduced, but the bike parking density and organization deteriorate
Solution Approach 1:
The bike rack is divided into multiple sides (first side, second side, third side, fourth side) with each side configured to engage a bicycle. This segmentation allows multiple bicycles to be parked in an organized manner on different sides of the rack, increasing parking density while maintaining structural clarity
Solution Approach 2:
The rack structure utilizes three-dimensional spatial arrangement with forward and rearward portions, and multiple sides extending in different directions. This dimensional approach maximizes the use of available space around the rack, allowing bicycles to be parked on multiple sides simultaneously, thereby increasing parking density without significantly increasing device complexity
2Ease of operation
If random bicycle attachment is allowed, then the ease of operation is improved, but the reliability of bicycle security and sidewalk clearance deteriorates
Solution Approach 1:
Different sides of the rack structure are configured with specific engagement features tailored for different bicycle orientations. The first side, second side, third side, and fourth side each have optimized engagement points (seat tubes, head tubes, handlebars, pedals) that guide users to attach bicycles in proper positions, maintaining ease of operation while ensuring security and preventing sidewalk blocking
Solution Approach 2:
The rack structure includes tube assemblies that automatically intersect with bicycle components (seat tubes, head tubes) when bicycles are placed in correct positions. This self-aligning feature guides users to proper attachment locations without requiring complex instructions, while simultaneously ensuring reliable engagement and preventing improper attachments that could block sidewalks
Data Source
AI summary
A high-density bike rack system includes a rack structure including: a first side configured to releasably engage a first bicycle, a second side configured to releasably engage a second bicycle, a forward portion, and a rearward portion including one or more tube assemblies. The one or more tube assemblies include at least one partially diagonal tube assembly.