Path Guide for Movable Partition Overhead Rails
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Solution Overview
Problem
Sliding movable panels, especially heavy glass door panels, face difficulties in moving smoothly around the juncture between overhead guide rails, particularly at steeper angles, due to resistance issues.
Innovation Solution
The implementation of path guides with leading and trailing running surfaces that are parallel to the length-wise axis of the overhead rails and engage self-centering guide rollers, along paths tangent to the edge of the rollers, minimizing resistance. The leading edge of the leading running surface can be radiused or tapered to gently guide the roller back to center, and the trailing running surface can project into the second overhead rail to provide a longer transition length, especially at right-angle transitions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If path guides are implemented with running surfaces parallel to the rail axis engaging self-centering rollers, then resistance to movement is minimized and smoothness of transition is improved, but device complexity increases due to additional guide components
Solution Approach 1:
The patent introduces path guides as intermediary components between the overhead rails and the movable panels. These path guides include running surfaces that mediate the interaction between the rollers and rails, providing a controlled transition path that minimizes resistance while maintaining system manageability through modular design
Solution Approach 2:
The leading edge of the leading running surface is designed with a radiused or curved profile rather than a sharp edge. This curvature gently guides the self-centering roller back to center position, reducing impact and resistance during transitions between rail paths while maintaining ease of operation
2Ease of operation
If the trailing running surface projects into the second overhead rail to provide longer transition length, then resistance is further minimized for steep angles, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
The path guide is divided into distinct functional segments: a main body portion, a leading running surface with radiused leading edge, and a trailing running surface that projects into the second rail. This segmentation allows each component to be manufactured separately using standard machining operations, then assembled together, reducing overall manufacturing complexity while achieving the longer transition length needed for steep angle applications
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
This configuration significantly reduces the resistance encountered during panel movement, allowing for smoother transitions and easier operation, even at steep angles, by aligning the running surfaces with the roller's circumference and adjusting for tolerances between rail junctures.
Implementation Method 1
The leading edge of the leading running surface can be radiused or tapered to gently guide the self-centering roller guide back to center
Implementation Method 2
engage self-centering guide rollers along paths tangent to the edge of the guide rollers
Data Source
AI summary
A movable partition system that can include branched overhead rails where movable panels, such as glass doors, wall panels, are guided along the branched overhead rails by path guides positioned with the overhead rails. The guide paths are shaped and aligned within the overhead rails to provide a smooth transition at the junction between overhead rails. The combination is suitable for use with both right-angle and oblique angle branched overhead rails.