Flexible Shower Threshold Cap for Door Guidance and Comfort
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Solution Overview
Problem
Sliding shower doors with rigid frames pose an uncomfortable and potentially unsafe experience for users due to the upwardly extending thin walls, which can be painful to step on and impede the sliding motion when padded items are placed over the channels.
Innovation Solution
A shower threshold with an elongated base component and a flexible cap composed of multiple layers, including a softer core layer and a more rigid shell layer, which provides a comfortable surface for users while maintaining water resistance and guiding the sliding doors effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a rigid frame with upwardly extending thin walls is used to guide sliding shower doors, then the shower doors are properly guided and water is contained, but the surface becomes uncomfortable and unsafe for users to step on
Solution Approach 1:
The patent applies this principle by covering the rigid upwardly extending thin walls with a flexible material layer. This flexible layer provides a soft, comfortable surface for users to step on while the underlying rigid structure maintains its guidance function for the sliding shower doors. The flexible material conforms to the shape of the rigid structure, allowing both functions to coexist.
Solution Approach 2:
The patent implements this principle by creating a composite structure consisting of a rigid base material (forming the frame and upwardly extending walls) combined with a flexible surface material (covering the rigid structure). This composite approach allows the rigid portion to provide structural support and guidance while the flexible portion provides user comfort, resolving the contradiction between these two requirements.
2Ease of operation
If padded items are placed in the frame over the channels to provide a comfortable surface, then user comfort is improved, but the shower doors are impeded from sliding smoothly
Solution Approach 1:
The patent applies this principle by using a flexible material layer that covers the rigid threshold structure. This flexible layer is specifically designed to allow the sliding shower doors to move smoothly over it while still providing a soft, comfortable surface for users. The flexibility of the material enables it to deform slightly under the door weight and motion, preventing impediment to sliding while maintaining comfort.
Solution Approach 2:
The patent implements this principle by carefully selecting and designing the flexible material with specific properties (such as durometer, thickness, and elasticity) that allow it to be soft enough for user comfort but flexible enough to permit smooth door sliding. By adjusting these material parameters, the contradiction between comfort and sliding motion is resolved.
3Reliability
If the rigid frame material extends the entire length of the shower to act as a water barrier, then water containment is improved, but the threshold becomes harder and less comfortable for users
Solution Approach 1:
The patent implements this principle by creating a composite threshold structure where a rigid material forms the base structure that extends the entire length of the shower to provide water containment, while a flexible surface material is applied over this rigid base. This composite construction allows the rigid portion to maintain the water barrier function while the flexible surface portion provides user comfort.
Solution Approach 2:
The patent applies this principle by covering the rigid water barrier structure with a flexible material layer. This flexible layer maintains the water containment capability of the underlying rigid structure while transforming the hard, uncomfortable surface into a soft, comfortable one for users to step on.
Data Source
AI summary
A shower threshold and a method of implementing a shower threshold are disclosed. The shower threshold includes an elongated base component having one or more sidewalls extending from a base region of the elongated base component to an apex of the elongated base portion. The shower threshold also includes a flexible cap coupled to and extending from the elongated base component along the apex of the elongated base component. The flexible cap may be composed of a plurality of layers. The plurality of layers includes a core layer and a shell layer. The core layer is composed of a material that is softer than the shell layer.