Oval Grab Bar Mounting for Secure Grip and Wall Attachment
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Solution Overview
Problem
Traditional grab bars with circular cross-sections are aesthetically unpleasing and lack secure attachment to walls while being costly to manufacture, and do not provide an optimal grip for users.
Innovation Solution
A grab bar with a non-circular cross-section, such as a hollow oval shape, featuring a deviation portion for improved grip and a mounting system with an elongated slot for adjustable installation, and a secure fastening mechanism using a mounting post, base flange, and fastener to enhance attachment to the bathroom wall.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a circular cross-section is used for the grab bar, then manufacturing is easier and the bar can be easily bent to form angled portions, but the appearance is less aesthetically pleasing and the grip is not optimal
Solution Approach 1:
The patent applies asymmetry by changing the cross-section from a symmetric circular shape to an asymmetric non-circular shape (such as oval, rectangular, or other polygonal forms). This asymmetric shape provides better grip surfaces and more aesthetically pleasing appearance while maintaining manufacturing feasibility through extrusion processes.
2Reliability
If a traditional circular grab bar is used, then manufacturing cost is lower, but the attachment to the wall is not secure enough
Solution Approach 1:
The patent applies segmentation by dividing the grab bar into modular components: a wall mounting assembly with separate mounting plate and fasteners, and a bar body with integrated gripping surfaces. This segmentation allows for secure wall attachment through multiple fastening points while maintaining cost-effective manufacturing of individual components.
Solution Approach 2:
The patent applies dimensionality change by transitioning from a simple circular cross-section to a non-circular cross-section with multiple flat surfaces and edges. This dimensional change provides additional surfaces for gripping and allows for better distribution of mounting forces across the wall attachment interface.
3Ease of operation
If a non-circular cross-section is used, then the grip is improved and appearance is more aesthetically pleasing, but manufacturing complexity increases
Solution Approach 1:
The patent applies curvature principles by using smoothly contoured non-circular cross-sections such as oval or rounded rectangular shapes. These curved forms provide ergonomic gripping surfaces that conform to hand shapes while being manufacturable through standard extrusion processes, avoiding sharp corners and complex geometries.
Data Source
AI summary
A grab bar for attachment to a bathroom wall structure includes a body member that extends between first and second ends. The body member is defined by a non-circular cross-section.