Pillow with Rotatable Cylindrical Inserts for Shape Retention
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Solution Overview
Problem
Standard pillows lose their shape and fluff over time, failing to provide adequate support for users.
Innovation Solution
A pillow design featuring rotatable and interchangeable cylindrical inserts housed in a breathable mesh liner, maintaining shape and allowing customization and cooling effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If traditional pillow materials (feathers) are used, then the pillow is soft and comfortable initially, but it loses its shape and fluff over time
Solution Approach 1:
The pillow is divided into multiple independent cylindrical inserts that can be individually replaced. Each cylinder is a separate component housed in its own compartment within the liner, allowing selective replacement of only the worn cylinders rather than the entire pillow, thus resolving the contradiction between maintaining shape stability and extending service life.
Solution Approach 2:
The invention changes the physical state and properties of the filling material from traditional compressible materials (feathers) to cylindrical structures that can be foam, fiberfill, or other materials maintaining their cylindrical shape. This parameter change allows the cylinders to retain their shape and support properties over time, addressing both shape retention and durability.
2Adaptability or versatility
If standard pillow shapes are used, then the pillow structure is simple, but it does not meet the needs of all users
Solution Approach 1:
The pillow structure is segmented into interchangeable cylindrical inserts that can be configured in different arrangements (e.g., clustered, linear, asymmetric). Users can select different numbers, sizes, and configurations of cylinders to customize the pillow's shape and support characteristics, achieving high adaptability while keeping each individual cylinder simple in design.
Solution Approach 2:
The cylindrical inserts serve multiple functions: they provide structural support, can be arranged in various configurations for different sleeping positions, and can be replaced independently. This multi-functionality allows a single basic cylinder design to meet diverse user needs without increasing overall structural complexity.
3Ease of operation
If cylinders are made rotatable and interchangeable, then customization and cooling effects are improved, but the pillow structure becomes more complex
Solution Approach 1:
The liner is constructed as a flexible fabric structure with individual compartments for each cylinder. These compartments are designed to be easily opened and closed, allowing cylinders to be removed and reinserted without complex mechanisms. The flexibility of the fabric liner enables simple interchangeability while maintaining structural integrity.
Solution Approach 2:
The cylindrical inserts are designed to be rotatable within their compartments, allowing users to change the orientation of each cylinder for different comfort preferences or cooling effects. This dynamic capability is achieved through simple cylindrical geometry that naturally rotates within the flexible fabric compartment, adding functionality without significant structural complexity.
Data Source
AI summary
A pillow with a plurality of cylinders snugly fit in a liner and the liner enclosed in a pillowcase wherein the cylinders are rotatable and interchangeable. The plurality of cylinders may be stacked or grouped to form a triangular formation when viewed from a side. The each of the plurality of cylinders may be selectively rotated while within the pillow for cooling purposes.