Sliding Rail Assembly With Polymeric Glide for Heavy Panels
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Solution Overview
Problem
Traditional sliding rail assemblies for panels face issues with wear and limited load capacity due to the use of plastic glides on metal tracks, requiring additional rollers for heavy panels and complex assembly processes.
Innovation Solution
A sliding rail assembly featuring a runner and glide with a polymeric material layer secured by adhesive, allowing for smooth sliding and supporting heavy panels at one end, while reducing wear and eliminating the need for additional rollers, and incorporating an arcuate cross-section for misalignment adjustment during assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a glide is formed entirely from plastic material to eliminate rollers, then the assembly complexity is reduced and wear is minimized, but the weight capacity of the panel is limited
Solution Approach 1:
The glide is constructed as a composite structure with a plastic body and a metal reinforcement member (such as a steel rod or aluminum profile) embedded within or attached to the plastic. This composite construction allows the glide to maintain the low-friction sliding properties of plastic while gaining the load-bearing capacity of metal, thereby resolving the contradiction between reduced complexity and increased weight capacity.
2Ease of operation
If the plastic material of the glide flexes to allow rotation into place, then the ease of operation is improved, but the weight capacity is reduced
Solution Approach 1:
The glide is divided into separate components: a plastic body that provides the sliding surface and a metal reinforcement member that provides structural strength. The metal reinforcement member is designed with sufficient rigidity to support heavy panels, while the plastic body can still flex slightly to allow for rotational assembly. This segmentation allows each material to perform its optimal function without compromising the other.
3Strength
If rollers are added to support heavy panels, then the weight capacity is increased, but the device complexity and wear increase
Solution Approach 1:
The invention extracts the load-bearing function from the roller mechanism and transfers it to the metal reinforcement member within the glide. By removing the need for separate rollers, the design maintains the simplicity of the single-glide system while achieving the weight capacity previously requiring complex roller assemblies. The metal reinforcement directly supports the panel weight through the sliding interface.
4Ease of operation
If the glide is designed to flex for rotation, then the ease of operation is improved, but the durability decreases due to increased wear
Solution Approach 1:
The design optimizes the flexural parameters of the plastic body to allow only minimal rotation necessary for assembly. The metal reinforcement member is designed with specific stiffness characteristics that permit controlled flexing during installation but resist deformation during normal operation. This parameter optimization ensures the glide can be easily assembled while maintaining long-term durability and minimizing wear.
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 solution provides enhanced wear resistance and supports heavy panels without additional rollers, simplifying assembly and maintenance by allowing the glide to pivot relative to the runner for easier attachment and detachment.
Implementation Method 1
A first layer of polymeric material is secured to at least one of the interior surface of the glide and the runner for facilitating sliding movement of the glide along the runner
Implementation Method 2
A first adhesive is disposed between the first layer of polymeric material and at least one of the interior surface of the glide and the runner for adhesively securing the first layer of polymeric material to the one of the interior surface of the glide or the runner
Data Source
AI summary
A sliding rail assembly (20) for a sliding panel (22), movable along a track (24) between open and closed positions, includes a runner (26) and a glide (28) for sliding engagement along the runner (26). The runner (26) is adapted to extend from the track (24). The glide (28) has an interior surface (64) disposed about the runner (26) and an exterior surface (62) adapted to extend from the sliding panel (22). A layer of polymeric material (48) is secured by an adhesive (90) to either one of the interior surface (64) of the glide (28), the runner (26), or both for facilitating sliding movement of the glide (28) along the runner (26).