Universal drawer slide
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Solution Overview
Problem
Existing drawer slides with lock-in and lock-out features require separate left and right-hand slides, increasing inventory and labor costs due to the need for different orientation of release levers during installation.
Innovation Solution
A universal drawer slide that can be mounted on either side of a cabinet, featuring a cam that can be adjusted to allow the same slide to function on both sides, enabling the same lever operation for lock-in and lock-out mechanisms, reducing the need for separate slides.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate left and right drawer slides are used to ensure proper lever operation direction, then the lock-in and lock-out features function correctly, but inventory and stocking costs increase
Solution Approach 1:
The drawer slide is designed with a universal configuration where the cam can be positioned in multiple orientations (first position for right-side installation, second position for left-side installation). This allows a single drawer slide design to function on both left and right sides of a cabinet, eliminating the need to maintain separate left-hand and right-hand slide inventories while preserving the lock-in and lock-out features.
Solution Approach 2:
The cam is designed to be repositionable between at least two different positions. This dynamic adjustment capability allows the same drawer slide to adapt to different installation sides by changing the cam orientation, thereby maintaining proper lever operation direction (upward or downward) regardless of whether the slide is installed on the left or right side.
2Ease of operation
If separate left and right drawer slides are used to ensure proper lever operation direction, then the release levers operate correctly, but labor and installation time increase
Solution Approach 1:
The universal drawer slide design with repositionable cam allows installers to use the same slide component for both left and right sides, simplifying the installation process. Installers only need to adjust the cam position rather than selecting different components, reducing labor time and complexity while maintaining proper lever operation.
Solution Approach 2:
The ability to dynamically reposition the cam during installation allows for quick adaptation to different sides without requiring separate pre-configured components. This reduces installation time and labor while ensuring the release lever operates correctly in the desired direction (upward or downward) for each specific installation location.
3Ease of manufacture
If the cam is fixed in a single position, then the drawer slide functions on one side, but adaptability to different cabinet sides is reduced
Solution Approach 1:
The cam is designed with the capability to be positioned in at least two different positions, allowing the same drawer slide to be adapted for installation on either the left or right side of a cabinet. This dynamic repositioning capability maintains ease of manufacture (using a single slide design) while significantly improving adaptability to different cabinet configurations.
Solution Approach 2:
By incorporating a repositionable cam, the drawer slide achieves multi-functionality, serving both left-side and right-side installations with a single design. This eliminates the need for separate left-hand and right-hand slide variants, thereby improving adaptability without complicating the manufacturing process.
Data Source
AI summary
A universal drawer slide is described. The drawer slide includes an outer slide member and an inner slide member that are configured to move between a closed position and an extended position. A lever is pivotally mounted to a front portion of the inner slide member. A cam mounts to the outer side member in at least a first position and a second position. An engaging end of the lever engages with the cam in either the first position or the second position.