Surface cleaning apparatus
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing lawn and patio sweepers struggle with efficiently collecting and separating different sizes of debris, such as large items like leaves and small items like sand, often requiring users to manually sort and dispose of them separately.
Innovation Solution
A surface cleaning apparatus with distinct paths and brushes for large and small debris, allowing for selective collection and disposal, and a handle mechanism to switch between modes for different debris types, along with features like expandable containers and optional suction for enhanced cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single brush and single collection bin are used, then the device complexity is reduced, but the ability to separate and collect different sizes of debris is lost
Solution Approach 1:
The single brush is segmented into multiple functional sections (large debris brush portion and small debris brush portion) that can be independently activated. The collection bin is also segmented into separate compartments for large debris and small debris. This segmentation allows the device to handle different debris types simultaneously while maintaining a relatively simple overall structure.
Solution Approach 2:
The invention introduces a new dimension of control by adding a second degree of freedom to brush rotation (clockwise and counter-clockwise directions). This dimensional change enables debris to be directed into different collection compartments based on rotation direction, achieving separation functionality without requiring multiple complete brush assemblies.
2Adaptability or versatility
If the brush can rotate in both clockwise and counter clockwise directions, then debris can be directed to different collection regions, but the ease of operation is reduced
Solution Approach 1:
The brush rotation direction is automatically controlled based on the type of debris detected. The system self-adjusts the rotation direction (clockwise for large debris, counter-clockwise for small debris) without requiring manual intervention from the user. This maintains ease of operation while achieving adaptive debris separation.
3Productivity
If separate collection regions for large and small debris are provided, then debris sorting efficiency is improved, but the device complexity increases
Solution Approach 1:
The collection bin is segmented into distinct compartments (large debris collection region and small debris collection region) that are integrated into a single bin structure. This segmentation enables efficient separation and collection of different debris types while maintaining a unified, manageable bin design that does not significantly increase overall device complexity.
Data Source
AI summary
A surface cleaning apparatus including a surface cleaning head having a front end, a rear end and a brush that is rotatably mounted about a rotation axis. When the surface cleaning head is placed on a horizontal surface and moved in a forward direction with the brush in position to clean the surface, the rotational axis extends generally horizontally and generally transverse to the forward direction. The brush is rotatable in a clockwise direction and the brush is also rotatable in a counter clockwise direction.