Bucket with wringer
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Solution Overview
Problem
Existing mop buckets with wringers and wheels suffer from instability and irregular aesthetics due to their configuration, which affects their movement and usability during floor cleaning.
Innovation Solution
A bucket design featuring three moving elements, where two wheels face each other in a transverse plane ahead of the bucket's center of gravity, and a third element, such as a roller, is positioned ahead, with a relief in the rear base allowing the bucket to rest on the wheels and rear reliefs when stationary, and tilting onto the roller when moved, ensuring stability and a regular appearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the bucket is equipped with wheels arranged in a transversal plane displaced towards the front part, then the bucket can be moved by tilting, but the aesthetics become irregular and the appearance unstable
Solution Approach 1:
The patent applies asymmetry by positioning the two mutually facing wheels in a transversal plane displaced towards the front part of the bucket, creating an asymmetric weight distribution that enables tilting movement while maintaining a balanced visual appearance through the strategic placement of the third wheel element at the rear
2Ease of operation
If the bucket tilts to rest on wheels for movement, then mobility is achieved, but the configuration causes instability and irregular appearance
Solution Approach 1:
The patent applies local quality by differentiating the functions of different wheel positions: the two front wheels are positioned to enable tilting and movement initiation, while the third wheel element at the rear provides stability during stationary and mopping operations, creating local functional zones that resolve the stability-mobility contradiction
3Ease of operation
If the front part of the bucket is configured outward and upward to enable tilting, then movement functionality is achieved, but the aesthetics become irregular
Solution Approach 1:
The patent applies dimensionality change by resolving the aesthetic conflict through the vertical positioning of the third wheel element at the rear of the bucket, which compensates for the forward displacement of the other wheels and maintains a regular, balanced appearance from all viewing angles while preserving tilting functionality
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
Bucket (1) with wringer (2) for a mop, comprising three moving elements; two mutually facing elements (4) in a transversal plane of the bucket and displaced towards the front part of the bucket, with respect to the transversal plane (5) containing the centre of gravity of the bucket; and a third element (6) arranged in front of the transversal plane; with the wringer (2) being located in the rear part of the mouth of the bucket. Said bucket is characterised in that the rear part of the base (3) comprises at least one relief (7) which, together with said two elements (4), touch the floor when the bucket is at rest and when applying pressure to the wringer (2) with the mop; in which position the third moving element (6) is close to and separated from the floor, without touching same. The third element (6) touches the floor when pressure is applied to the front part of the bucket (1) to move same, thereby enhancing the movement and stability of the bucket.