Offset Litter Box Absorbent Placement for Even Excrement Distribution
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Solution Overview
Problem
Conventional animal litter boxes lead to localized excrement absorption, causing the absorbent body to reach maximum capacity quickly, resulting in frequent replacements and increased costs due to inefficient use and potential leakage.
Innovation Solution
An animal litter box design with an inner space and absorbent-body arrangement where the longitudinal central position of the inner space is shifted from the absorbent-body arrangement, guiding excrement absorption over a larger area, incorporating a urine passage portion at the lowest position and inclined surfaces to direct excretion, and a notch for easy entry and odor guidance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If the absorbent body is arranged directly below the inner space with aligned central positions, then the structure is simple and symmetric, but excrement absorption becomes localized at the edges causing frequent replacement
Solution Approach 1:
The patent applies asymmetry by deliberately offsetting the longitudinal central position of the absorbent-body arrangement portion from the longitudinal central position of the inner space. This asymmetric arrangement ensures that excrement, which animals tend to deposit at specific locations, is absorbed more broadly across the absorbent body rather than concentrating at one location, thereby extending the absorbent body's usage life and reducing waste.
2Productivity
If animals excrete at the same location repeatedly, then the behavior pattern is consistent and predictable, but the absorbent body reaches maximum capacity quickly in that region requiring frequent replacement
Solution Approach 1:
The patent implements preliminary action by pre-positioning the absorbent body in an offset location that anticipates where excrement will be deposited. By arranging the absorbent-body arrangement portion with its longitudinal central position shifted relative to the inner space, the system proactively distributes absorption capacity to match animal behavior patterns, preventing localized saturation before it occurs.
3Ease of manufacture
If the absorbent body is positioned to match the inner space centrally, then alignment is straightforward and easy to manufacture, but excrement concentrates at edge portions causing rapid saturation
Solution Approach 1:
The patent deliberately introduces asymmetry in the longitudinal direction by offsetting the absorbent-body arrangement portion from the inner space. This design choice prioritizes absorption efficiency over symmetric alignment, creating a more effective use of the absorbent body's capacity while still maintaining straightforward manufacturing through clear positional specifications.
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 extends the absorbent body's usage life, reduces leakage, and lowers replacement costs by evenly distributing excrement absorption and guiding the animal to the optimal excretion area, ensuring a more sanitary litter box experience.
Implementation Method 1
an absorbent body that absorbs excrement
Implementation Method 2
excrement such as urine flows down through the through holes and is absorbed by an absorbent body
Data Source
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AI summary
An animal litter box (1) includes: an inner space and an absorbent-body arrangement portion (13s). The inner space is a space where an animal performs excretion, and which is surrounded by at least a bottom surface (11b) and a wall portion (21). The bottom surface (11b) receives excrement. The wall portion (21) rises in the height direction from a periphery of the bottom surface (11b). The absorbent-body arrangement portion (13s) is for arranging of an absorbent body (200) that absorbs excrement, and is provided below the inner space in the height direction. The longitudinal central position of the inner space is located shifted from the longitudinal central position of the absorbent-body arrangement portion (13s).