Inflatable Insert Method for Flattened Seat Cushion Repair
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Solution Overview
Problem
Cushions, particularly seat and backrest cushions, often become flattened over time due to compressed fills, which existing methods fail to effectively restore to their original configuration.
Innovation Solution
The method involves removing the flattened fill, inserting an inflatable insert shaped as a polyhedron, wedge, cylinder, or right cylinder with a valve, and inflating it to restore the cushion's original shape, then closing the cushion using needle and thread or a sewing machine.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If traditional repair methods are used for flattened cushions, then the cushion fill is replaced, but the process is complex and time-consuming
Solution Approach 1:
The invention extracts the problematic flattened fill from the cushion and replaces it with a pre-packaged inflatable insert. The insert is inserted through a zipper opening without requiring removal of the cushion cover or complex disassembly, thereby simplifying the repair process and reducing time investment.
Solution Approach 2:
The invention employs a disposable inflatable insert that is sealed in a plastic bag for sanitation. This single-use approach eliminates the need for cleaning and preparing reusable fill materials, significantly reducing repair time and complexity while maintaining hygiene standards.
2Ease of repair
If the cushion is opened to replace fill, then the fill can be replaced, but the cushion structure is compromised and requires closing
Solution Approach 1:
The invention incorporates a zipper that serves dual functions: it allows easy insertion of the inflatable insert and also provides a clean, professional-looking closure that restores the cushion's appearance. The zipper mechanism is designed to be invisible when closed, making the repair imperceptible.
Solution Approach 2:
The disposable insert comes pre-sealed in a plastic bag that is disposed of after insertion. This eliminates the need for complex closing procedures or cleaning processes, as the entire insert including its packaging is discarded after single use, simplifying the repair workflow.
3Productivity
If an inflatable insert is used, then the cushion can be restored quickly, but additional components (valve, insert) are introduced
Solution Approach 1:
The invention merges multiple functions into the single inflatable insert component: it serves as the replacement fill, contains the inflation mechanism (valve), and includes the packaging (plastic bag). This integration allows all repair functions to be accomplished through one component, reducing the number of separate parts and simplifying the repair process.
Solution Approach 2:
The inflatable insert is designed to be self-inflating through a simple valve mechanism that the user operates themselves. The insert comes with instructions and requires no specialized tools or equipment, allowing the end-user to perform the repair independently and quickly without requiring professional service.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This method effectively re-inflates and re-shapes the cushion, restoring its original configuration and appearance, providing a cost-effective and practical solution for cushion repair.
Implementation Method 1
inflating the inflatable insert to fill the cushion
Data Source
AI summary
Method of repairing a seat cushion; and, in particular, method of repairing a flattened seat cushion having a fill which has been compressed over time, for example. Method of repairing a seat cushion include providing a cushion having a flattened fill, opening the cushion, removing the flattened fill, providing an inflatable insert, and inflating the inflatable insert to fill the cushion.