Drawer Slide Latch with Linear Release Mechanism for Secure Closure
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing drawer cabinet latching systems often fail to prevent inadvertent opening of drawers, leading to unwanted access to contents.
Innovation Solution
A drawer slide latch and release mechanism featuring a release lever pivotably mounted to a web of an inner member, a mounting bracket with a forward edge, and a release bar with a top extending away from the mounting bracket, allowing for the release lever to be positioned between a catch and free of it, enabling controlled drawer opening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a simple latch mechanism is used, then the device complexity is reduced, but the reliability of preventing inadvertent opening deteriorates
Solution Approach 1:
The latch mechanism incorporates a movable release lever that can be deliberately actuated to transition between latched and unlatched states. This dynamic element allows the simple mechanical structure to provide reliable controlled opening while maintaining low complexity.
2Reliability
If a latch mechanism with deliberate release activation is implemented, then the reliability of preventing inadvertent opening is improved, but the device complexity increases
Solution Approach 1:
The release lever is designed to be actuated by the user through a simple pushing or lifting motion on its exposed end. The mechanism serves itself by using the user's deliberate action directly on the release lever to trigger the unlatching sequence, without requiring additional activation mechanisms, thus maintaining simplicity while ensuring reliable controlled opening.
3Reliability
If the release lever is positioned within the catch, then the drawer slide is latched and secure closure is maintained, but the drawer cannot be opened
Solution Approach 1:
The release lever acts as an intermediary element between the user's opening action and the tab-catch engagement. When the user actuates the release lever, it pivots to move the tab out of the catch, mediating the transition from the secure closed state to the open state. This allows the latch to maintain secure closure during normal use while enabling controlled opening when needed.
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
The mechanism effectively prevents inadvertent drawer opening by ensuring the release lever can only be moved to the open position through deliberate activation, thus maintaining secure closure until intended use.
Implementation Method 1
a release arm including a tab that may be captured by the retaining hook of the outer member with the inner member in a unextended position with respect to the outer member, the release arm extending from an end of a torsion spring mounted about a forward end of the inner member
Data Source
AI summary
A release mechanism for a drawer slide latch may include linearly translatable elements. The linearly translatable elements may cause rotation of a lever arm used in latching one drawer slide member to another. The linearly translatable elements may be coupled to a drawer, or be a component mounted to the drawer slide, in various embodiments.