Breakaway Sliding Door Without Bottom Track
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Solution Overview
Problem
Conventional breakaway sliding door systems require a bottom track or sill, which is aesthetically unpleasing and prone to debris accumulation, and often only allow breakaway from one side of the door.
Innovation Solution
A sliding door system with a frame assembly mounted to a wall, featuring a top rail and a guide mechanism that projects into a channel at the bottom edge of the door wing, allowing the door to slide and swing without a bottom track.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a bottom track or sill is used in conventional breakaway door systems, then the breakaway function is enabled, but aesthetic appearance deteriorates and debris accumulation increases
Solution Approach 1:
The patent removes the bottom track or sill component from the door system entirely. The breakaway function is achieved through a different mechanism that does not require a floor-mounted track, thereby eliminating the aesthetic and debris accumulation problems associated with traditional bottom tracks while maintaining the essential breakaway capability.
Solution Approach 2:
Instead of using a horizontal bottom track for guiding and enabling breakaway motion, the patent transitions to a vertical top-rail-based guide mechanism. This dimensional shift from floor-level to ceiling-level operation allows the door to achieve breakaway functionality without the harmful effects of floor sills.
2Reliability
If a bottom track is used to enable breakaway function, then breakaway capability is provided, but aesthetic appearance deteriorates
Solution Approach 1:
The bottom track component is completely extracted from the system. The patent achieves breakaway capability through alternative means that do not involve floor-mounted structures, thereby preserving aesthetic appearance while maintaining functional capability.
Solution Approach 2:
Instead of guiding the door breakaway motion from the bottom up via a floor track, the patent inverts the approach by guiding from the top down using a ceiling-mounted rail system. This inversion eliminates the need for visible floor sills while maintaining breakaway functionality.
3Adaptability or versatility
If conventional breakaway systems are designed with bottom tracks, then breakaway from push side is enabled, but breakaway from pull side remains limited
Solution Approach 1:
The top-rail guide mechanism is designed to provide universal breakaway capability in multiple directions. The system can accommodate breakaway motion from both push and pull sides through the same ceiling-mounted infrastructure, eliminating the need for separate or additional components for different breakaway directions.
Data Source
AI summary
An exemplary sliding door system, generally includes a frame assembly and a door assembly. The frame assembly is configured for mounting to a wall, and includes a top rail and a guide mechanism. The door assembly is mounted to the frame assembly for sliding movement between a closed linear position and an open linear position, and includes a movable rail and a wing. The movable rail is movably supported by the top rail, and the wing is pivotably mounted to the movable rail. A bottom edge of the wing includes a channel, and the guide mechanism projects into the channel and guides movement of the wing.