Connectable Mat and Pillow Fastening to Prevent Pillow Slipping
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Solution Overview
Problem
Existing outdoor leisure mats and sleeping solutions, such as those described in JP-A-7-213337, JP-A-8-215024, JP-A-2005-6956, and JP-UM-A-7-12158, fail to prevent pillows from slipping and moving away from users' heads, leading to discomfort and disturbed sleep, and often incur increased material and weight costs due to joint margins along the edges.
Innovation Solution
A mat system with a primary mat body and a strap to attach a pillow, featuring engaging members near corners for secure connection, allowing the mat and pillow to be connected without joint margins, reducing material usage and weight, and providing a strap for length adjustment and easy storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If joint margins are formed along the edges of the mat to connect multiple mat pieces, then the mat can be assembled and configured in different sizes, but the material costs and weight of the mat increase
Solution Approach 1:
The mat is divided into multiple separate mat pieces that can be connected through corners. Each mat piece has engaging members at its corners, allowing flexible assembly of different mat configurations without requiring continuous joint margins along the entire edge, thereby reducing material usage and weight while maintaining configurability.
2Adaptability or versatility
If joint margins are formed along the edges of the mat to connect multiple mat pieces, then the mat can be assembled and configured in different sizes, but the material costs increase
Solution Approach 1:
The mat is divided into multiple separate mat pieces that can be connected through corners. Each mat piece has engaging members at its corners, allowing flexible assembly of different mat configurations without requiring continuous joint margins along the entire edge, thereby reducing material usage and weight while maintaining configurability.
3Ease of operation
If the pillow is made of slippery materials such as nylon taffeta, then the pillow is comfortable and has desirable fabric properties, but the pillow easily slips and moves away from its original position
Solution Approach 1:
The pillow is pre-equipped with engaging members (such as loops or tabs) that can be connected to corresponding engaging members on the mat before use. This preliminary preparation allows the pillow to be securely attached to the mat, preventing it from slipping away while maintaining the comfortable slippery fabric properties.
Solution Approach 2:
An intermediary connection mechanism (engaging members such as loops, tabs, or fasteners) is introduced between the pillow and the mat. This intermediary allows the slippery pillow to be securely attached to the mat without requiring the pillow material itself to have high friction, thus maintaining comfort while preventing slippage.
4Adaptability or versatility
If snap fasteners are placed along the edge areas of the mat to connect with adjacent mats, then multiple mats can be connected, but the connection points are located where users lie down causing discomfort
Solution Approach 1:
The engaging members are asymmetrically positioned at the corners of the mat pieces rather than along the entire edge. This asymmetric corner placement moves the connection points away from the areas where users lie down, eliminating discomfort while maintaining the ability to connect multiple mats together.
Data Source
AI summary
A mat can be connected to a pillow, a sleeping bag, or other mats, and is comfortable to sleep on, sturdy, and convenient to carry around. A strap is provided on a mat body for attaching a pillow A mat may include multiple mat bodies each having first engaging members located near at least two corners located at the ends of a first diagonal line, and second engaging members for engaging with the first engaging members and located near at least two corners located at the ends of a second diagonal line intersecting with the first diagonal line, to connect mat bodies together. A mat body may be made of multiple laminated layers, with edges of an outer layer forming a joint distal from the mat edges on a surface where a user of mat lies down, or the reverse surface thereof.