Roll-up Spa Cover with Flexible Vinyl and Rainfly
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing swim spa covers are rigid, heavy, and cumbersome, requiring two people to handle and often fail to provide a proper seal, leading to heat loss and debris entry, which increases energy consumption and maintenance costs.
Innovation Solution
A roll-up swim spa cover with flexible, multi-layered materials supported by square metal or fiberglass tubes, allowing single-person installation and removal, and a rainfly structure for weather protection, which maintains heat and keeps debris out.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If rigid hard covers are used to keep heat in and debris out, then thermal insulation and debris protection are improved, but the cover becomes heavy and requires two people to handle
Solution Approach 1:
The patent replaces rigid hard covers with flexible vinyl covers that can be easily handled by one person. The flexible material maintains adequate thermal insulation and debris protection while dramatically reducing weight and improving ease of operation. The cover is made from flexible vinyl material that can be rolled up and easily positioned over the spa.
Solution Approach 2:
The patent introduces a dynamic positioning system where the cover can be rolled up and moved to different positions along the spa. The positioning members (pucks) allow the cover to be secured at various locations, enabling easy removal and repositioning by a single person while maintaining coverage and insulation when needed.
2Object-affected harmful factors
If rigid hard covers with Velcro seals are used, then debris protection is improved, but the sealing process becomes complex and time-consuming
Solution Approach 1:
The patent removes the complex Velcro sealing system entirely from the cover design. Instead of requiring users to manually attach and secure Velcro seals between multiple cover sections, the simplified single-piece flexible vinyl cover relies on its flexibility and the positioning members to create an adequate seal without additional fastening components.
Solution Approach 2:
The flexible vinyl cover is designed to self-seal through its material properties and the positioning system. The cover's flexibility allows it to conform to the spa edges and create its own seal without requiring user intervention to attach separate sealing components. The positioning members provide the necessary retention and sealing pressure.
3Strength
If rigid hard covers are used, then structural strength is improved, but the cover becomes cumbersome and difficult to install for disabled or elderly users
Solution Approach 1:
The patent uses flexible vinyl material that is lightweight and easy to manipulate, enabling disabled or elderly users to easily handle and install the cover themselves. The material provides sufficient strength for its purpose while being soft enough to be managed by users with limited physical capability.
Solution Approach 2:
The roll-up design and movable positioning system allow users to install the cover incrementally by rolling it into position and securing it at various points along the spa. This dynamic installation process requires minimal force and can be easily performed by one person regardless of physical condition.
Data Source
AI summary
A spa cover constructed of layers of pliable insulation encapsulated within a weatherproof vinyl reinforced fabric or a rubber membrane which is attached to rigid square support tubes that run parallel to the short end of the spa. The encapsulated insulation is fastened to the bottom of the square support tubes with corrosion-free nylon anchors which allows the soft insulation assembly to span over the water and rest directly on the spa bartop surface sealing the heat in and keeping debris out. An arched fiberglass rod structure supports a weatherproof rainfly which is permanently affixed to the flat cover assembly to shed rain and debris. The entire assembly is held in place at each end with adjustable straps which stretch the cover from end to end keeping the rainfly taut. Removing the cover to access the spa involves undoing the straps on one end and rolling the cover assembly towards the other end until the desired amount of spa exposure is reached. Covering the spa after use is just the opposite procedure.