Continuous Carrier Loading Without Gates in Fulfillment Conveyors

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Solution Overview

Problem

Traditional fulfillment systems face inefficiencies such as increased costs, complexity, maintenance requirements, and decreased throughput due to clogging and the need for manual or electronically controlled gates, which disrupt the continuous movement of small items like vials in high-volume logistics environments.

Innovation Solution

Implementing a conveyer assembly with continuous flow systems and strategically placed partitions to automatically direct and load items into transportation carriers without stopping, eliminating the need for electronically controlled gates, thereby reducing system complexity, maintenance costs, and cycle times while improving throughput.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If electronically controlled gates are used to load items into transportation carriers, then items can be selectively directed to loading positions, but system complexity and maintenance requirements increase

Engineering Contradiction:
ImproveSelective item directionVSAvoidSystem complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent removes electronically controlled gates from the system entirely. Instead of using electronic gates to direct items, the invention uses a simplified mechanical conveyer system with continuous motion where items are automatically directed by the flow itself, eliminating the complex electronic control infrastructure.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The conveyer system operates autonomously without electronic control. Items are automatically directed to loading positions through the continuous mechanical flow and physical arrangement of the system, with no external electronic intervention required for item direction.

Inventive Principle:
Principle #25Self-service

2Reliability

If electronically controlled gates are used to prevent clogging, then item flow can be controlled, but maintenance requirements and costs increase

Engineering Contradiction:
ImproveClogging preventionVSAvoidMaintenance requirements
Core Design Contradiction:
ReliabilityVSEase of repair

Solution Approach 1:

The patent eliminates electronically controlled gates that require maintenance. The simplified mechanical conveyer system with continuous motion naturally prevents clogging through its design, removing the need for maintenance-prone electronic components.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The conveyer system maintains continuous motion without interruption. This continuous operation naturally prevents item accumulation and clogging, eliminating the need for electronic gates that open and close to control flow, thereby reducing maintenance requirements.

Inventive Principle:
Principle #20Continuity of useful action

3Reliability

If conveyer assembly is stopped to prevent clogging, then item flow can be controlled, but cycle time and energy costs increase

Engineering Contradiction:
ImproveClogging preventionVSAvoidCycle time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The conveyer system operates continuously without stopping. The continuous motion prevents clogging by maintaining constant item flow, eliminating the need to stop and restart the system, thereby minimizing cycle time and energy consumption.

Inventive Principle:
Principle #20Continuity of useful action

Solution Approach 2:

The system is designed with continuous motion capability that proactively prevents clogging before it occurs. By maintaining constant flow and using the continuous conveyer action to naturally clear items, the system avoids the need for interruptions to prevent clogging.

Inventive Principle:
Principle #10Preliminary action

4Ease of operation

If conveyer assembly is stopped for manual loading, then loading can be performed, but throughput decreases

Engineering Contradiction:
ImproveManual loading capabilityVSAvoidThroughput
Core Design Contradiction:
Ease of operationVSProductivity

Solution Approach 1:

The conveyer system maintains continuous operation throughout. Loading operations are performed without stopping the conveyer, allowing items to be loaded while the system continues to move, thereby maintaining high throughput without sacrificing loading capability.

Inventive Principle:
Principle #20Continuity of useful action

Data Source

PatentUS12540031B2Continuous motion systems and methods for automatic object loading and transportation
Publication Date: 2026.02.03 OPTUM INC
  • US12540031B2 patent drawing
  • US12540031B2 patent drawing
  • US12540031B2 patent drawing

AI summary

Various embodiments of the present disclosure provide techniques and systems for improving efficiency of fulfillment systems. One technique may include moving a plurality of container carriers to one or more carrier recirculation systems. The technique may include moving a plurality of item containers to a container recirculation system, positioned at least partially parallel to a carrier recirculation system of the one or more carrier recirculation systems. The technique may include moving, using a container partitioning assembly of the container recirculation system, an item container of the plurality of item containers into an induction system. The technique may include moving, using a carrier partitioning assembly of the one or more carrier recirculation systems, a container carrier of the plurality of container carriers to a loading position relative to the induction system. The technique may include loading the item container into an interior portion of the container carrier.