Drawer Pull-Out Guide With Precise Lateral Adjustment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing drawer extension guides lack a sensitive and active adjustment mechanism for precise lateral displacement relative to the extension rail, making them insensitive and inaccurate in operation.
Innovation Solution
The extension guide features a holding element with a movably connected connecting element and an adjustment device for horizontal movement, allowing for active and sensitive lateral displacement of the drawer, with optional self-locking mechanisms and transmission devices like levers or screws for precise adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a holding nose or projection is used for lateral displacement, then the drawer can be displaced laterally relative to the extension rail, but the adjustment is insensitive and inaccurate because the projection is held in a grooved opening and requires knocking to move between recesses
Solution Approach 1:
The connecting element is made displaceable relative to the holding element through a slot-shaped opening that guides movement in the lateral direction. This dynamic connection allows the drawer to be actively adjusted laterally by applying force to the connecting element, which slides along the guided path, providing both sensitivity and accuracy in positioning.
Solution Approach 2:
The connecting element acts as an intermediary between the drawer and the holding element. It features a slot-shaped opening that receives the holding projection, allowing controlled lateral displacement while maintaining connection. This intermediary mechanism enables precise active adjustment by translating lateral movement into positional changes of the drawer relative to the extension rail.
2Adaptability or versatility
If wedge surfaces are used for lateral displacement, then the drawer can be displaced laterally, but the adjustment mechanism becomes complex and lacks sensitive active actuation
Solution Approach 1:
The adjustment mechanism is segmented into distinct functional components: the holding element with the slot-shaped opening, the connecting element with the holding projection, and the drawer. This segmentation allows each component to perform its specific function simply - the slot guides movement, the projection transfers motion, and the drawer moves laterally - avoiding the need for complex wedge surface mechanisms while maintaining lateral adjustment capability.
3Ease of operation
If a receiving component with slot-shaped opening is used, then lateral displacement is possible, but the connecting element cannot be actively adjusted without additional complex mechanisms
Solution Approach 1:
The connecting element is designed to be directly displaceable within the slot-shaped opening of the holding element. The slot itself serves as the adjustment mechanism, allowing the connecting element to be actively moved laterally by applying force directly to it. This self-service design eliminates the need for additional complex adjustment mechanisms while enabling sensitive active control of lateral position.
Data Source
AI summary
The invention relates to a pull-out guide for a drawer. The pull-out guide has a body rail to be fastened to the furniture body and at least one pull-out rail that can be moved relative to the body rail. The pull-out guide includes a retaining element having a connecting element, so that the drawer can be adjustably connected to the pull-out rail. The retaining element can be connected to the pull-out rail and the connecting element is movably mounted relative to the retaining element. An adjusting device for horizontally moving the connecting element is arranged on the retaining element, and the adjusting device includes a converting device, which can be rotationally moved about an axis arranged substantially parallel to the longitudinal axis of the pull-out rail and so that a rotational motion can be converted into a translational motion.