Sliding Door Fitting Lateral Guide Track for Roller Guidance
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Solution Overview
Problem
Existing sliding door fittings face challenges in providing optimal guidance for rollers, particularly at joint areas between sections of the running rail, leading to potential tilting and unpleasant rolling experiences due to step-like transitions and limited linear movement.
Innovation Solution
The introduction of a guide element that forms a lateral guide track next to the running rail, allowing the roller to be raised and lowered, enabling it to bridge joint areas and facilitating deliberate braking or locking, while being mounted strategically to optimize roller movement and prevent axial movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a profile connector is inserted below the raceway to support it and reduce downward deflection, then the track is stabilized, but a small step still remains between adjacent profile sections when driving over, and the roller can only be moved linearly along the track
Solution Approach 1:
The guide element introduces a vertical dimension to the guidance system by forming a guide track that rises and falls laterally next to the raceway. This vertical movement component allows the roller to bridge joint areas smoothly, eliminating the step-like transition while maintaining track stability through the lateral guidance mechanism.
Solution Approach 2:
The guide element acts as an intermediary between the raceway and the roller, providing a transition zone that mediates the interaction. The guide track serves as an intermediate path that guides the roller through the joint area, reducing the direct impact of the joint on the roller movement and eliminating the need for linear movement constraints.
2Ease of operation
If the guide element is designed as a butt connection element connecting two abutting sections of the running rail, then the joint area is bridged smoothly, but the device complexity increases
Solution Approach 1:
The guide element merges multiple functions into a single component: it connects the two abutting sections of the running rail, forms the guide track for roller guidance, and provides the structural support needed to bridge the joint area. This consolidation reduces the number of separate parts while achieving smooth roller guidance.
Solution Approach 2:
The guide element is designed as a multi-functional component that simultaneously serves as a structural connector, a guidance element, and a support for the raceway. This universal design allows a single element to perform multiple functions, reducing overall device complexity while maintaining smooth roller guidance through the joint area.
3Adaptability or versatility
If the guide track is mounted only where the roller is to be influenced to optimize running behavior, then deliberate braking or locking can be carried out, but the manufacturing precision requirements increase
Solution Approach 1:
The guide track is implemented with varying local properties along its length, being present only in specific sections where roller influence is needed. This localized approach allows for deliberate braking or locking in specific areas while maintaining simpler manufacturing in other sections, balancing control flexibility with manufacturing precision requirements.
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 solution ensures smooth, harmonious rolling over joint areas, prevents tilting, and maintains constant contact with the track, enhancing the overall guidance and stability of sliding doors.
Implementation Method 1
which causes the running part to be raised and subsequently lowered when the roller is passed over
Implementation Method 2
the preferably circular flange can be used, on the one hand, to prevent movement of the roller in the axial direction
Data Source
Figure 1A~1B
Figure 2
Figure 3A~3B
AI summary
A sliding door fitting, in particular for an item of furniture (1), having a running rail (3), on which at least one running track (8, 9) is formed, and having at least one running part (4, 40) with at least one running roller (7), which is movable along a running track (8, 9) of the running rail (3), wherein a sliding door (5, 6) can be secured to the at least one running part (4, 40), wherein at least one guide element (10, 20) for the at least one running roller (7) of the at least one running part (4, 40) is mounted on the running rail (3) and forms, laterally alongside the running track (8, 9), a guide track (13, 14, 23) which, when being run over by the running roller (7), causes the running part (4, 40) to lift. As a result, the running part (4, 40) can be guided along the running rail (3) in an optimized manner.