Coplanar Mop Head Fastener Strips for Even Dirt Collection

Solution Overview

Problem

Conventional mop assemblies experience uneven dirt distribution on mop pads due to attachment strips that protrude from the mop head, causing dust to collect above the strips rather than being evenly distributed across the pad.

Innovation Solution

The attachment strips are recessed into the mop head, creating a coplanar surface with the mop head's bottom face, ensuring even pressure and distribution during mopping by maintaining the fastener strips at the same elevation as the mop head's surface.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If attachment strips are mounted on the mop head to secure the mop pad, then the mop pad can be firmly attached, but the strips protrude from the mop head surface causing uneven dirt distribution and dust collection

Engineering Contradiction:

Improvemop pad attachment firmnessVSAvoideven dirt distribution

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The attachment strips are nested within recesses formed in the mop head body, with the strips positioned inside the recesses rather than protruding from the surface. This nesting arrangement maintains a flush outer surface while preserving the attachment function, eliminating the protrusion problem that caused uneven dirt distribution.

Inventive Principle:

Principle #7Nested doll (Nesting)

Solution Approach 2:

The mop head is designed with localized recesses at specific positions where attachment strips need to be mounted, while the rest of the surface remains flush and uniform. This local modification approach maintains the overall smooth surface quality needed for even dirt distribution while providing secure attachment points where required.

Inventive Principle:

Principle #3Local quality

2Ease of operation

If attachment strips are recessed into the mop head to create a coplanar surface, then even dirt distribution is achieved, but the attachment strips may have reduced securing capability

Engineering Contradiction:

Improveeven dirt distributionVSAvoidmop pad attachment firmness

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The attachment strips are nested within recesses formed in the mop head body, with the strips positioned inside the recesses rather than protruding from the surface. This nesting arrangement maintains a flush outer surface while preserving the attachment function, eliminating the protrusion problem that caused uneven dirt distribution.

Inventive Principle:

Principle #7Nested doll (Nesting)

Solution Approach 2:

The recesses are designed with specific depth parameters that match the thickness of the attachment strips, and the strips are secured within these recesses using appropriate fastening methods. This parameter optimization ensures that the strips are firmly attached despite being recessed, maintaining attachment reliability while achieving a coplanar surface.

Inventive Principle:

Principle #35Parameter changes

3Shape

If recesses are formed in the mop head to house the attachment strips, then a coplanar surface is achieved, but the manufacturing complexity increases

Engineering Contradiction:

Improvecoplanar surfaceVSAvoidmop head fabrication

Core Design Contradiction:

ShapeVSEase of manufacture

Solution Approach 1:

The mop head is designed as a modular assembly where the attachment strips and their recesses can be manufactured separately and then integrated. This segmentation allows the recesses to be formed using standard manufacturing processes without requiring complex multi-step operations on the entire mop head, reducing overall manufacturing complexity.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The attachment strips are nested within recesses formed in the mop head body, with the strips positioned inside the recesses rather than protruding from the surface. This nesting arrangement maintains a flush outer surface while preserving the attachment function, eliminating the protrusion problem that caused uneven dirt distribution.

Inventive Principle:

Principle #7Nested doll (Nesting)

Data Source

PatentUS10575702B2Mop head

Publication Date: 2020.03.03 BONA AB

AI summary

A mop head having a bottom face portion adapted to engage a top surface of a mop pad, a first recessed portion recessed from the bottom face portion and a first fastener strip mounted in the first recessed portion with a bottom surface portion of the fastener strip located in substantially coplanar relationship with the mop head bottom face portion.