Convertible Paddle Board Chair With Hinge Assembly
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Solution Overview
Problem
Conventional standup paddle boards lack a stable and comfortable seating solution that accommodates both standing and sitting positions, with limited storage capacity for paddles and equipment, and existing chairs are often cumbersome, unsuited for prolonged use, and not portable or convertible to handle paddle structures in both positions.
Innovation Solution
A convertible chair system for standup paddle boards featuring a seat and back portion with embedded structural members and a hinge assembly allowing 180° motion, enabling transition between open and stowed configurations, and a convertible paddle assembly that swaps between T-handle and secondary paddle structures for different riding positions, with storage options within the paddle board's cargo hold.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional chairs are used with standup paddle boards, then riders can sit on the board, but the chairs lack stability and comfort for prolonged use
Solution Approach 1:
The chair includes a convertible hinge assembly that allows dynamic adjustment between open and stowed configurations. The hinge assembly can transition from a folded state during transport to an unfolded state during use, providing stability when needed and portability when not in use. This dynamic adaptability resolves the contradiction between comfort and stability.
Solution Approach 2:
The chair is divided into separate components including a seat portion, back portion, and convertible hinge assembly. This segmentation allows the hinge assembly to independently provide structural support and stability when unfolded, while the seat and back portions can be configured for comfort. Each component serves its specific function to resolve the stability-comfort contradiction.
2Adaptability or versatility
If multiple paddles are stored on the board, then riders can switch between standing and sitting positions, but storage capacity is limited and equipment becomes cumbersome
Solution Approach 1:
The chair serves multiple functions: it provides seating for riders, acts as a storage container for paddle components (such as the second paddle or T-handle), and offers back support. This multi-functionality resolves the contradiction by eliminating the need for separate dedicated storage space for paddle equipment.
Solution Approach 2:
The chair design merges the seating function with the storage function by incorporating a cargo area or compartment within the chair structure. This allows paddle components to be stored within the same space that provides rider support, effectively combining two functions into one device and resolving the storage capacity limitation.
3Reliability
If conventional chairs are attached directly to the board, then the chairs are stable, but they cannot be used with a range of different boards
Solution Approach 1:
The chair uses removable attachment mechanisms (such as straps or clips) rather than permanent fixed attachments. These attachment components can be easily attached and detached from different board types, providing stable attachment when needed while maintaining versatility across various board configurations. The attachment system is designed to be temporary and reconfigurable rather than permanent.
4Volume of moving object
If the chair is designed to be portable and stowable, then it can be stored on the board, but it lacks the ability to stabilize the rider when in use
Solution Approach 1:
The convertible hinge assembly transitions from a folded compact state for portability to an unfolded extended state for rider stabilization. When unfolded, the hinge assembly creates a rigid triangular structure that provides structural support and stability for the rider. This dynamic transformation allows the same component to fulfill both portability and stabilization requirements at different times.
Solution Approach 2:
The hinge assembly is pre-configured with structural members and support elements that, when unfolded, automatically provide rider stabilization. The design incorporates pre-positioned support legs or stabilizing components that deploy simultaneously with the hinge assembly, ensuring stability is established before the rider fully occupies the chair.
Data Source
AI summary
A convertible chair for a standup paddle board includes a seat portion having a first fabric structure defining a seat of the convertible chair and a pair of seat portion wings extending away from the seat. The seat portion further includes a first pair of structural members embedded in the first fabric structure and cooperating to define a boundary of the seat. The seat portion further incudes a hinge assembly embedded in the first fabric structure and fixed to each structural member of the first pair of structural members. The convertible chair further includes a back portion having a second fabric structure defining a back of the convertible chair and a pair of back portion wings extending away from the back. The back portion further includes a second pair of structural members embedded in the second fabric structure and cooperating to define a boundary of the back.