Adjustable Corner Guard for Uneven Stair Surfaces
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Solution Overview
Problem
Conventional corner guards are ineffective for uneven floor surfaces, such as those found at wall corners adjacent to stair steps, as they cannot be securely positioned without adhesive, which can damage the wall and fail to protect against abrasive contacts from cleaning equipment.
Innovation Solution
An adjustable corner guard with translatably engaged planar leg members that can be selectively adjusted to accommodate varying elevations, allowing secure positioning on uneven surfaces and protecting the wall from impacts and abrasions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional corner guards are used on uneven surfaces, then they cannot be securely positioned, but using adhesive to hold them upright will cause staining or marring of the wall surface
Solution Approach 1:
The corner guard incorporates adjustable legs that can be translated to different positions, allowing the guard to dynamically adapt to uneven surfaces such as stair steps. This dynamic adjustment capability enables secure positioning on varying elevations without requiring adhesive that would damage the wall surface.
Solution Approach 2:
The leg members can be translated to change the height and position parameters of the corner guard, allowing it to conform to different surface elevations. This parameter adjustment enables the guard to achieve stable positioning on uneven surfaces without compromising the wall surface.
2Adaptability or versatility
If conventional corner guards are used, then they protect wall corners from abrasion, but they cannot accommodate elevated stair steps adjacent to the corner
Solution Approach 1:
The adjustable leg members enable the corner guard to adapt its configuration to accommodate elevated stair steps and uneven surfaces. By translating the legs to appropriate positions, the guard maintains reliable protective function across varying surface conditions.
3Adaptability or versatility
If the corner guard has fixed planar portions, then the structure is simple, but it cannot be adjusted to varying elevations of stair steps
Solution Approach 1:
The corner guard is divided into separate planar portions with adjustable leg members, allowing each segment to be independently positioned. This segmentation enables elevation adjustment for accommodating stair steps while maintaining relative structural simplicity through modular design.
Solution Approach 2:
The leg members are designed to be translatable along the planar portions, providing adjustable elevation capability. This dynamic adjustment feature allows the guard to accommodate varying stair step heights without significantly increasing overall structural complexity.
Data Source
AI summary
A corner guard for protecting wall junctions adjacent uneven support surfaces such as a stair and floor surface is provided. The corner guard in an as-used position with first and second leg members extending upright from a floor and an adjacent second surface at a higher elevation such as a stair, protects the wall surfaces intersecting from a first wall surface extending above the floor and a second wall surface extending from the higher second wall surface from impacts and abrasions such as a hose being pulled around the corner at the intersection of the first wall surface and second wall surface. Positioning to accommodate differing elevational heights of first and second surfaces is provided by translational engagement of the first and second leg.