Duster Flat Support with Offset Hinge to Prevent Surface Scratching
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Solution Overview
Problem
Existing dusters face limitations in cleaning large surfaces without scratching due to protruding hinges, which restrict their use on extended surfaces and hinder the full utilization of the cleaning cloth on both sides of the plate.
Innovation Solution
A duster design featuring an offset adjustable hinge with a releasable interconnecting system that allows the hinge to rotate 180°, ensuring the entire cleaning surface is available without protrusion, using a seat and retention mechanism to facilitate easy movement and secure repositioning of the hinge.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the hinge thickness is increased to prevent protrusion beyond the dusting surface, then the reliability of the device for unit load is improved, but the portability and ease of movement deteriorate
Solution Approach 1:
The hinge is divided into multiple segments that can articulate relative to each other, allowing the overall hinge assembly to be thinner while maintaining structural strength. The segmented design distributes the load across multiple joints rather than requiring a single thick hinge, thus achieving both reliability and portability.
Solution Approach 2:
The hinge mechanism transitions from a planar arrangement to a three-dimensional articulated structure. By utilizing vertical articulation and offset pivot points, the hinge achieves sufficient load-bearing capacity without increasing its horizontal thickness, allowing it to remain within the plate boundaries while maintaining portability.
2Manufacturing precision
If the hinge is positioned on the main axis of the plate to ensure symmetry, then the manufacturing precision is improved, but the ability to clean large surfaces without scratching deteriorates
Solution Approach 1:
The hinge is deliberately positioned asymmetrically relative to the plate's main axis, specifically offset toward one edge. This asymmetric placement ensures that the hinge remains entirely within the plate boundaries and does not protrude beyond the dusting surface, eliminating the scratching problem while still allowing for precise manufacturing using standard offset dimensions.
3Object-affected harmful factors
If the hinge is offset to one side to prevent protrusion, then the harmful factors of scratching are reduced, but the versatility of using both sides of the cloth deteriorates
Solution Approach 1:
The hinge incorporates a movable or adjustable mechanism that allows it to shift position or reorient between different operational configurations. This dynamic capability enables the hinge to accommodate the plate in both its original and rotated positions, allowing the user to effectively utilize both sides of the cloth while the hinge remains offset to prevent scratching.
Solution Approach 2:
The hinge mechanism is designed with multi-functionality to support both the standard cleaning orientation and the rotated orientation for using the opposite side of the cloth. By incorporating features such as reversible mounting or adjustable articulation, the single offset hinge serves multiple functions, maintaining scratching prevention while enabling versatile cloth usage.
Data Source
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AI summary
This is an improved cleaning tool, called a duster, whose offset hinging can rotate around an axis to shift its footprint outside the position of the cleaning surfaces.