Sliding Furniture Opener with Adjustable Driver Closed Position
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Solution Overview
Problem
Existing opening and closing devices for sliding elements in furniture, which combine locking and ejection mechanisms, require precise coordination to ensure functional reliability, making them structurally complex and costly to manufacture.
Innovation Solution
An opening and closing device with a second driver that can be adjusted in a guide housing, allowing for fine-tuning of the closed position to accommodate manufacturing tolerances and ensure reliable operation, featuring an adjustable contact surface and a control cam that can be displaced to adjust the device without influencing the locking mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a locking mechanism and ejection mechanism are combined in an opening and closing device, then the functional reliability of the system is improved, but the device complexity increases and manufacturing costs rise due to the need for precise coordination between the two mechanisms
Solution Approach 1:
The patent combines the locking mechanism and ejection mechanism into a single integrated opening and closing device. The locking bar with locking lugs and the ejection mechanism with driver and activator are merged into one coordinated system that performs both functions through a unified structure, reducing overall device complexity while maintaining functional reliability.
Solution Approach 2:
The opening and closing device is designed as a multi-functional unit that simultaneously provides both locking and ejection capabilities. The guide housing contains both the locking mechanism components and ejection mechanism components, allowing a single device to perform multiple functions without requiring separate independent mechanisms.
2Reliability
If a locking mechanism and ejection mechanism are combined in an opening and closing device, then the functional reliability of the system is improved, but the manufacturing costs increase due to the need for precise coordination between the two mechanisms
Solution Approach 1:
The patent combines the locking mechanism and ejection mechanism into a single integrated opening and closing device. The locking bar with locking lugs and the ejection mechanism with driver and activator are merged into one coordinated system that performs both functions through a unified structure, reducing overall device complexity while maintaining functional reliability.
3Reliability
If the closed position of the second driver is made adjustable, then the device can accommodate manufacturing tolerances and ensure reliable operation, but the device complexity increases due to the addition of adjustment mechanisms
Solution Approach 1:
The second driver is designed with an adjustable closed position that can be modified during assembly or maintenance. The driver can be positioned at different locations along its guide path within the guide housing, allowing the system to adapt to manufacturing tolerances and ensure reliable triggering of the ejection mechanism without requiring overly precise initial manufacturing.
Solution Approach 2:
The closed position parameter of the second driver is made variable rather than fixed. By allowing the driver's closed position to be adjusted along the guide path, the system can compensate for variations in manufacturing tolerances of other components, ensuring that the triggering point remains reliable even when other dimensions vary within acceptable ranges.
Data Source
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AI summary
The device has a locking device and an ejecting mechanism comprising drivers (7, 10) that are adjustably mounted at a guide housing (5). The driver in the ejecting mechanism is fixable in an opening position and a closing position. The ejecting mechanism has a latch mechanism with a cam and a control member that is adjustable along the cam. The control member is coupled with the respective driver to fix the driver against the force of an energy accumulator in the closing position. The closing position of the driver is adjustably provided in a shifting direction of a thrust element (1).