Adjustable Overspray Barrier and Sifter Pan for Cat Litter Box
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Solution Overview
Problem
Current cat litter box systems often fail to provide adequate overspray barriers for upward urine spraying by cats, making them difficult to clean and emitting unpleasant odors, while also posing entry challenges for elderly or young cats due to fixed barrier heights.
Innovation Solution
A cat litter box system with adjustable, stackable sliding panels forming an overspray barrier and a sifter pan with a grid floor that separates pine pellets from their powderized form, allowing for easy cleaning and odor reduction, featuring a nested design with a collection pan and a removable shield section for efficient pellet disposal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If high overspray barriers are made in the litter box, then urine spray containment is improved, but entry difficulty for elderly cats or kittens increases
Solution Approach 1:
The overspray barrier is divided into multiple stackable panels that can be individually adjusted. This segmentation allows the barrier height to be customized - providing high containment when needed while allowing lower configurations for easy entry by elderly or young cats.
Solution Approach 2:
The barrier transitions from a fixed static structure to a dynamic adjustable structure. The stackable panels can be added or removed based on the specific needs of the cat, allowing the barrier height to adapt between maximum containment and minimum obstruction scenarios.
2Ease of manufacture
If fixed height overspray barriers are used, then manufacturing simplicity is maintained, but adaptability to different cat sizes and abilities is reduced
Solution Approach 1:
The barrier system is segmented into standardized modular panels that can be manufactured independently and then stacked in various combinations. This maintains manufacturing simplicity while enabling adaptability through different stacking configurations.
Solution Approach 2:
The stackable panels are designed as universal components that can be used in different quantities and arrangements to serve multiple functions - from maximum spray containment to minimal entry obstruction, accommodating various cat sizes and abilities with the same basic components.
3Object-generated harmful factors
If wet litter is used for effective urine absorption, then odor control is improved, but cleaning difficulty due to clumping and sticking increases
Solution Approach 1:
The sifter pan is extracted as a separate removable component from the litter box system. This allows the wet, clumped litter to be easily removed from the sifter pan without having to dig through or break up stubborn clumps attached to the box walls, significantly easing the cleaning process while maintaining effective odor control.
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
The system effectively contains urine spray, facilitates easy entry and exit for cats of all ages, and reduces odor by using pine pellets that break down into absorbent powder, making cleaning and maintenance simpler.
Implementation Method 1
The pine pellets are a natural deodorant that absorb urine and break down into sawdust or pine dust (i.e., powderized pellets) when urinated on.
Implementation Method 2
The sifter pan has a floor with a grid of holes sized to let the pine powder pass through, but to prevent the solid pine pellets from passing through, to the collection pan.
Data Source
AI summary
A cat litter box system includes a sifter pan having a sifter pan floor with a plurality of thru holes therethrough. Sifter pan sidewalls surround and extend upwards from a perimeter of the sifter pan floor. A sifter pan rim is disposed on upper distal ends of the sifter pan sidewalls. The sifter pan rim extends laterally from the sifter pan sidewalls. A shield section includes shield section sidewalls having a lower rim portion configured to removably mount on an upper surface of the sifter pan rim. A front entryway is disposed in the shield section sidewalls. A plurality of removable sliding panels are stackable on top of one another within the front entryway. The sliding panels form an overspray barrier within the front entryway. The overspray barrier has an adjustable height based on the number of sliding panels stacked within the front entryway.