Wastebasket Side Wall Openings for Bag Removal
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Solution Overview
Problem
Current wastebaskets face issues with oversized trash bags, which lead to cumbersome bag placement, overstuffing, and difficulty in removing filled bags due to the formation of a sealed air space that creates sub-atmospheric pressure, making it hard to pull the bag out without significant force or manual intervention.
Innovation Solution
The wastebasket design incorporates one or more side wall openings that allow for resilient movement, enabling the bag to be easily secured and released, allowing air to enter and reducing pressure, thus facilitating the removal of filled bags without the need for excessive force or manual manipulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If oversized trash bags are used in typical wastebaskets, then the bag capacity is increased, but the bag becomes difficult to remove due to formation of sealed air space creating sub-atmospheric pressure
Solution Approach 1:
The wastebasket side wall is segmented by introducing one or more openings that divide the continuous side wall structure. This segmentation allows air to pass through the side wall and enter the isolated space beneath the bag, breaking the sealed environment that causes sub-atmospheric pressure and facilitates easier bag removal while maintaining oversized bag capacity.
2Strength
If the wastebasket side wall is made stiff to maintain structural integrity, then the shape is preserved, but the bag becomes difficult to insert and remove
Solution Approach 1:
By segmenting the side wall with openings, the structure maintains its overall stiffness and shape-preserving capability while the openings provide localized flexibility. This allows the bag to be easily inserted and removed through the openings without compromising the overall structural integrity of the wastebasket.
3Device complexity
If the wastebasket has no openings in the side wall, then the structure is simple and intact, but air cannot enter the isolated space causing difficulty in bag removal
Solution Approach 1:
The side wall is minimally segmented by introducing one or more openings that are sufficient to allow air passage but do not significantly compromise the overall structural simplicity or aesthetic integrity of the wastebasket. This minimal segmentation resolves the bag removal difficulty while maintaining structural simplicity.
4Quantity of substance
If the bag is pushed down to compact trash, then more trash fits in the bag, but the bag forms a seal with the wastebasket wall making removal difficult
Solution Approach 1:
The openings in the side wall create a pressure equalization pathway that prevents the formation of a sealed environment between the bag and wastebasket wall. This allows the bag to be pushed down for compacting trash while maintaining ease of removal, as air can continuously enter the space beneath the bag through the segmented side wall structure.
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 design simplifies the placement and removal of trash bags, reduces the effort required to handle filled bags, and prevents air from being trapped, making the process more efficient and user-friendly.
Implementation Method 1
allowing air to enter below the bag
Implementation Method 2
The side wall sections are made of a plastic material that has a plastic memory-recovering characteristic that allows each of them to be sufficiently flexible to have their uppermost ends resistively pushed inwardly toward each other
Implementation Method 3
a plastic material that has a plastic memory-recovering characteristic that allows each of them to be sufficiently flexible to have their uppermost ends resistively pushed inwardly toward each other; When the side wall sections are released, they return part way to their normal free positions
Data Source
AI summary
A wastebasket designed to work in combination with a trash bag insert, the wastebasket having one or more openings or slots on one or more of its sidewalls, the openings extending from the upper rim of the wastebasket to a point near the bottom of the wastebasket, so as to allow for an inward and outward motion of the sidewall sections so as to allow overstuffing of the trash bag while allowing the overstuffed bag to readily be removed from the wastebasket and/or the insertion of a trash bag whose opening circumference is smaller than the upper rim circumference of the wastebasket, whereby the trash bag is secured to the rim of the wastebasket.