Asymmetric Mud Patch Trowel for Shower Corner Precision
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Solution Overview
Problem
Conventional trowels are ineffective in maintaining uniform mud thickness and slope at the edges and corners of a shower enclosure, particularly when working around angled walls leading to a central drain.
Innovation Solution
A trowel with angled edges and a unique body configuration, featuring a longer left side edge and a handle, allowing for perpendicular and angled front and rear edge portions to facilitate uniform mud distribution and slope creation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional rectangular trowel is used, then the tool structure is simple and easy to manufacture, but the tool cannot maintain uniform mud thickness at shower corners and edges
Solution Approach 1:
The trowel body is designed with asymmetric dimensions where the left side edge is longer than the right side edge. This asymmetry allows the tool to maintain uniform mud thickness at corners and edges of the shower enclosure while accommodating the angled wall configuration, directly resolving the contradiction between manufacturing precision and device complexity.
2Manufacturing precision
If a conventional rectangular trowel is used, then the tool design is straightforward, but the tool cannot create proper slope at angled walls leading to central drain
Solution Approach 1:
The trowel incorporates localized geometric features including a first front edge portion perpendicular to the left side edge and a second front edge portion angled relative to the first, with similar configurations at the rear edge. These local quality variations enable proper slope creation at angled walls while maintaining overall tool simplicity.
3Manufacturing precision
If a conventional trowel is used around shower corners, then the tool is easy to handle, but the mud patch cannot be maintained at uniform level at walls
Solution Approach 1:
The asymmetric trowel body with longer left side edge and angled front and rear edge portions is specifically designed to work effectively at corners and along angled walls of the shower enclosure. The asymmetric geometry provides better contact and control at corners while maintaining uniform mud level at walls, resolving the contradiction between precision and ease of operation.
Data Source
AI summary
A tool is shaped for working a mud patch in a shower enclosure. The tool has front and rear edges with sections angled relative to each other to allow easily contacting angled edges of the walls of the shower enclosure.