Drawer Slide Latch Release Mechanism Using Linear Translation

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing drawer cabinet latching systems often fail to prevent inadvertent opening of drawers, lacking effective mechanisms to securely keep drawers in a closed position.

Innovation Solution

A drawer slide latch and release mechanism featuring a release lever, mounting bracket, and release bar that allow for controlled unlatching of the drawer, utilizing a pivotable and depressible design to transition between locked and unlocked positions, ensuring secure closure and easy opening.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a drawer slide latch mechanism is implemented to prevent inadvertent opening, then drawer security is improved, but device complexity increases

Engineering Contradiction:
Improvedrawer securityVSAvoidlatch mechanism complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The latch mechanism is segmented into distinct functional components: a release lever mounted on the inner member, a retaining hook on the outer member, and a separate release bar actuation system. This segmentation allows each component to perform its specific function independently, achieving reliable drawer security through coordinated simple parts rather than a single complex mechanism.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The release function is extracted as a separate operable element (release bar) distinct from the latch engagement components. The release bar can be actuated independently to trigger the release lever, separating the user interface from the latching mechanism proper. This reduces the complexity of the main latch structure while maintaining security.

Inventive Principle:
Principle #2Taking out (Extraction)

2Ease of operation

If a release mechanism is added to allow controlled unlatching, then ease of operation is improved, but device complexity increases

Engineering Contradiction:
Improvedrawer opening convenienceVSAvoidrelease mechanism complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The release lever serves as an intermediary element between the release bar (user interface) and the retaining hook (latch engagement). When the release bar is actuated, it moves the release lever, which in turn disengages the retaining hook from the tab. This intermediary mechanism provides easy manual operation while keeping the overall system relatively simple.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The release lever is designed to be pivotable between a first position (engaged with the retaining hook) and a second position (disengaged from the retaining hook). This dynamic movement allows the latch to transition smoothly between locked and unlocked states through simple manual manipulation of the release bar, improving ease of operation without requiring complex mechanisms.

Inventive Principle:
Principle #15Dynamics

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 accidental drawer opening while allowing for easy manual operation, providing a secure and convenient method to keep drawers closed until intentionally opened.

Implementation Method 1

the release arm extending from an end of a torsion spring mounted about a forward end of the inner member

Methodology Applied
Scientific EffectTorsion spring: Torsion Spring

Implementation Method 2

a release lever pivotably mounted to a web of an inner member of a drawer slide

Methodology Applied
Scientific EffectPivoting: Hinge

Data Source

PatentUS11666147B2Drawer slide latching
Publication Date: 2023.06.06 ACCURIDE INTERNATIONAL INC
  • US11666147B2 patent drawing
  • US11666147B2 patent drawing
  • US11666147B2 patent drawing

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.