Improved Portable Stadium Chair
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current portable stadium chairs lack support for the upper back and neck, stability, and adaptability to various seating types, and do not provide additional safety features to prevent slipping and tilting.
Innovation Solution
A portable chair with an upper back support that folds down onto a lower back support, a swivel seat assembly, non-slip feet, and optional seat straps and brackets for increased stability, along with carrying straps and a locking mechanism for easy transport and secure attachment to different seating surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If portable stadium chairs are designed with basic L-shaped metal arms that hook around bench edges, then the chair can be easily assembled and portably transported, but the chair lacks stability and safety features to prevent slipping and tilting under various conditions
Solution Approach 1:
The chair structure is divided into separate functional components: L-shaped metal arms for basic attachment, non-slip feet for friction-based stability, and optional seat straps for additional security. This segmentation allows users to deploy only the necessary features for each situation, enhancing reliability without requiring all features to be permanently integrated, thus managing complexity.
Solution Approach 2:
The chair employs dynamic stability features including non-slip feet with friction surfaces that adapt to different bench materials, and optional seat straps that can be engaged or disengaged based on usage conditions. The L-shaped arms can hook around bench edges in various configurations. This dynamic adaptability enhances reliability across different scenarios without requiring a permanently complex structure.
2Ease of operation
If portable stadium chairs include only basic back and seat frames, then the chair remains lightweight and portable, but the chair lacks support for upper back and neck, reducing user comfort during extended use
Solution Approach 1:
The back support system is segmented into a basic back frame for structural support and an optional padded backrest that can be added or removed. This allows the chair to remain lightweight when the padded section is not needed, while providing enhanced comfort when it is attached, thus resolving the contradiction between comfort and portability.
Solution Approach 2:
The basic back frame serves multiple functions: it provides structural support for the optional padded backrest, maintains the chair's lightweight profile when the pad is removed, and offers minimal back support on its own. This multi-functionality allows the same component to serve both weight-saving and comfort-providing roles under different conditions.
3Adaptability or versatility
If portable stadium chairs have fixed seat orientation, then the chair structure is simple and stable, but the chair cannot adapt to various seating types including different bench, bleacher, and plank-style configurations
Solution Approach 1:
The seat is equipped with a swivel mechanism that allows it to rotate and adapt to different seating orientations. This dynamic feature enables the chair to work with various bench, bleacher, and plank-style configurations. The swivel mechanism is designed to be relatively simple, allowing the seat to rotate smoothly while maintaining structural stability, thus achieving adaptability without excessive complexity.
4Ease of operation
If portable stadium chairs lack folding mechanisms, then the chair structure is simpler and more stable during use, but the chair cannot be easily collapsed for carrying and stowing between events
Solution Approach 1:
The chair is divided into foldable sections including the back frame and seat frame that can be collapsed relative to each other. The L-shaped arms and other structural components are designed to detach or fold in coordinated ways. This segmentation allows the chair to be disassembled into compact sections for easy transport while maintaining structural integrity when assembled, resolving the contradiction between portability and structural simplicity.
Data Source
AI summary
A portable chair for use on plank-style seating has upper and lower back supports connecting to a seat section that can be arranged relative to one another in an extended position, a partially open position, or a folded position. The upper back support folds onto the lower back support and includes slope edges to minimize the overall shape while still providing support. The lower back support includes a crossbar to further support the user when the chair is in its partially open position. The seat section includes a swivel assembly to facilitate different seating environments and heighten enjoyment for the chair's user. The chair can be locked into a folded position for stowing and transporting and further includes carrying straps. Foldable armrests provide additional comfort for the chair's user. Preferably, in its extended position, the back supports recline relative to the seat section between 90 and 180 degrees.