Automatic Container Latching System with Linkage Mechanism

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Solution Overview

Problem

Conventional container latching systems require manual operation, leading to potential improper locking or unlocking, which can result in improper unloading or shifting of containers during transport, necessitating an automatic latching solution.

Innovation Solution

An automatic latching system comprising an actuation device on the container chassis, a linkage mechanism, and connectors that secure the container to the chassis upon placement, with an interlock assembly for fail-safe operation to maintain securement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual latching devices are used, then the container can be secured to the chassis, but improper locking or unlocking may occur leading to shifting or losing containers during transport

Engineering Contradiction:
Improvesecurement reliabilityVSAvoidmanual operation complexity
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The latching system automatically secures the container to the chassis without requiring manual intervention. The actuation device detects container placement and triggers the linkage mechanism to engage connectors, eliminating human error in locking operations and ensuring consistent securement reliability

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces manual mechanical operation with an automated detection and actuation system. Sensors detect container presence and automatically activate the latching mechanism through electrical or electronic signals, substituting human manual control with an automated control system to improve reliability

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If automatic latching system is implemented, then manual intervention is eliminated improving reliability, but device complexity increases due to additional components

Engineering Contradiction:
Improveautomatic securement reliabilityVSAvoidsystem component complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The automatic latching system is divided into distinct functional modules: detection device for sensing container placement, actuation device for triggering the latching action, linkage mechanism for force transmission, and connectors for final securement. This segmentation allows each component to be optimized independently and simplifies the overall system architecture

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The actuation device serves multiple functions: it detects container placement through the detection device, triggers the latching sequence, and coordinates the engagement of multiple connectors. This multi-functionality reduces the need for separate dedicated components for each function, thereby managing system complexity

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS9387792B2Latching system for automatic securement of a container to a container chassis
Publication Date: 2016.07.12 MI JACK PRODUCTS INC
  • US9387792B2 patent drawing
  • US9387792B2 patent drawing
  • US9387792B2 patent drawing

AI summary

A latching system for automatic securement of a container to a container chassis is provided. The latching system includes an actuation device disposed on an upper surface of the container chassis, a linkage mechanism disposed below the upper surface, and a connector positioned on a further surface elevated above the upper surface. Placement of the container on the container chassis actuates the actuation device causing the linkage mechanism to move the connector and automatically secure the container to the container chassis.