Beanbag Spacer Design for Moisture Prevention
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Solution Overview
Problem
Existing bean bags are limited in outdoor use due to moisture buildup under the bag, which can lead to mold and mildew formation, damaging the material and posing health risks.
Innovation Solution
Incorporating projecting spacers made of flexible foamed plastic or swimming noodles attached to the bottom of the bean bag, which create a sectional spacing between the bag and the surface, preventing moisture accumulation and allowing for easy assembly and replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the outer bag rests directly on the surface, then the manufacturing is simple and cost-effective, but moisture accumulates beneath the beanbag base causing mold and mildew
Solution Approach 1:
The patent introduces spacers as intermediary elements between the outer bag and the supporting surface. These spacers create a gap that allows moisture to escape and air to circulate, preventing mold and mildew formation while maintaining a simple overall structure. The spacers are attached to the base of the outer bag and protrude outward to maintain the necessary distance from the surface.
2Object-affected harmful factors
If spacers are added to prevent moisture accumulation, then outdoor usability improves, but device complexity increases
Solution Approach 1:
The spacer system is segmented into multiple individual spacers distributed across the base of the outer bag, rather than using a single complex continuous structure. This segmentation simplifies manufacturing and assembly while effectively preventing moisture accumulation across the entire base area. Each spacer is an independent, simple element that can be easily attached to the base.
3Reliability
If the spacer structure is made robust and stable, then reliability improves, but manufacturing complexity and cost increase
Solution Approach 1:
The spacers are strategically positioned at specific locations on the base of the outer bag rather than being uniformly distributed or forming a continuous structure. This localized approach provides sufficient stability and moisture prevention while minimizing the total amount of material needed and simplifying the attachment process. The spacers are concentrated in areas where they provide maximum benefit for structural support and moisture management.
Data Source
Figure 1
Figure 2~3
AI summary
A beanbag (1) is shown with an outer bag (5), in particular made of a woven material, forming a beanbag base (4) of the beanbag (1), and with a filling material (6), in particular made of lumpy material, for example plastic material, which filling material (6) is provided inside the outer bag (5), in particular loosely. In order to be able to use or set up the beanbag (1) outdoors without any concerns, it is provided that the outer bag (5) has at least one spacer (7, 8, 9) projecting from the beanbag base (4) and attached to the outer bag (5).