Flexible-Hinge Transition Molding for Variable Floor Heights
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Solution Overview
Problem
Existing transition molding products are challenging to install and cannot adequately accommodate a wide range of height transitions between different flooring materials, requiring multiple types of moldings for same and different floor heights.
Innovation Solution
A universal transition molding with a symmetrical extruded profile, featuring planar wings, hinge sections, and vertical legs, made of PVC or similar materials, that can be easily installed by pressing into a gap between floor surfaces, accommodating various height transitions through flexible hinge sections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple types of moldings (T-molding and MPR molding) are used to accommodate different floor height transitions, then the ability to handle various height transitions is improved, but the device complexity and inventory requirements increase
Solution Approach 1:
The patent applies universality by designing a single transition molding that can function as both a T-molding for same-height transitions and an MPR molding for different-height transitions. The molding includes a body with a first leg and a second leg that can be positioned at different heights relative to the first leg, allowing it to accommodate various floor height differences with one universal product rather than requiring multiple specialized moldings
Solution Approach 2:
The patent applies dynamics by making the second leg adjustable in height relative to the first leg. The second leg can be positioned at different heights to match different floor transitions, transforming a static molding into a dynamic, adaptable structure that can respond to various installation scenarios
2Adaptability or versatility
If multiple profiles of T- and MPR moldings are manufactured to accommodate different floor thicknesses, then the adaptability to various floor configurations is improved, but the manufacturing complexity and inventory management difficulty increase
Solution Approach 1:
The patent creates a universal molding profile that can be manufactured in a standardization manner while still accommodating different floor thicknesses. The molding includes a body with a first leg and a second leg that can be positioned at different heights, allowing a single manufactured profile to serve multiple floor thickness configurations rather than requiring separate profiles for each thickness
3Ease of operation
If existing transition molding products are used, then the basic transition function is provided, but the ease of installation is reduced due to installation challenges
Solution Approach 1:
The patent applies segmentation by dividing the molding into distinct functional components: a body portion and separate legs (first leg and second leg) that can be positioned independently. This segmentation allows each component to be optimized for its specific function and facilitates easier installation by allowing the legs to be independently adjusted and secured
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The molding provides a smooth and secure transition between flooring materials of different heights with ease of installation and adaptability, reducing the need for multiple inventory types and enhancing safety and appearance.
Implementation Method 1
a pair of hinge sections joining the wings to opposing edges of the central portion
Data Source
AI summary
A variety of molding profiles and related methods of manufacturing and installing the molding profiles are described. An example molding includes: an extruded profile of unitary construction including: a substantially planar central portion; at least one downwardly depending substantially planar wing; at least one hinge section joining the at least one wing to the central portion; and a pair of vertical legs depending from a bottom surface of the central portion, wherein the central portion, the at least one wing, and the vertical legs are formed of a first material, wherein the at least one hinge section is formed of a second material, and wherein the second material is more flexible than the first material.