Shelf Feeder Fixation Design for Secure Positioning and Easy Refilling

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Solution Overview

Problem

Existing shelf management systems are inefficient for handling diverse product geometries, sizes, and weights, and require complex assembly and refilling processes, especially in limited retail spaces where vertical distance between shelves is minimized.

Innovation Solution

A shelf management system featuring a feeder device with a front fixation profile element, a product support, and adjustable divider walls, allowing flexible positioning and easy refilling by maintaining the feeder device in an extended position with stop recesses for secure engagement and prevention of unintentional displacement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If feeder devices and dividers are fixed securely to the shelf, then reliability of positioning is improved, but device complexity increases due to multiple fixation mechanisms

Engineering Contradiction:
Improvepositioning stabilityVSAvoidfixation mechanism complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines the fixation function and the positioning function into a single integrated mechanism. The fixation element simultaneously anchors the feeder device to the shelf and provides the positioning feature through its geometric shape, eliminating the need for separate fixation and positioning components. This reduces device complexity while maintaining reliable positioning stability.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The fixation element is designed to perform multiple functions: securing the feeder device to the shelf, providing lateral positioning, and enabling easy release. This multi-functional design reduces the number of components needed while ensuring reliable positioning without increasing overall system complexity.

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

2Reliability

If accessories are securely held to prevent inadvertent loosening, then reliability is improved, but ease of operation deteriorates due to difficult assembly and disassembly

Engineering Contradiction:
Improveattachment securityVSAvoidassembly and disassembly ease
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The fixation element incorporates a resilient component that provides dynamic engagement and disengagement capabilities. The resilient nature allows the fixation to be secure during normal operation while enabling easy release when needed, balancing attachment security with operational ease through elastic deformation and recovery.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The fixation mechanism is designed to be self-latching during assembly, where the resilient element automatically engages with the fixation feature upon insertion. This self-service characteristic ensures reliable attachment without requiring additional fastening operations, while the same resilient mechanism enables easy manual release when needed.

Inventive Principle:
Principle #25Self-service

3Area of stationary object

If feeder device projects minimally from shelf surface, then space utilization and aesthetics are improved, but ease of operation deteriorates due to difficult access for refilling

Engineering Contradiction:
Improveshelf space utilizationVSAvoidrefilling accessibility
Core Design Contradiction:
Area of stationary objectVSEase of operation

Solution Approach 1:

The feeder device incorporates a resilient fixation element that allows the device to be dynamically positioned. During refilling operations, the device can be temporarily displaced forward to gain access, then returned to its minimal projection position. The resilient mechanism accommodates this temporary displacement while maintaining secure attachment, balancing space utilization with operational accessibility.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP3305137B1Shelf management system
Publication Date: 2024.08.28 HL DISPLAY AB
  • EP3305137B1 patent drawingFigure 1~2
  • EP3305137B1 patent drawingFigure 3a~3b
  • EP3305137B1 patent drawingFigure 4a~4c

AI summary

A feeder device (20) for a shelf management system comprises a product support (50) having a longitudinal direction extending between a front end and a rear end. A product feeder (60) is displaceable along the product support and urged in the forward direction. At least one divider wall (70a, 70b) extends in parallel with said longitudinal direction. A front fixation member (30) is arranged to releasably engage a front fixation profile element (10) which is fixed along the front edge of a shelf (1) for releasable fixation of the feeder device at various positions along the front fixation profile element. At least one control surface (73a, 73b) extends rearwardly from the front fixation member, in parallel with the longitudinal direction of the product support and is arranged to face the upper surface of the shelf. The at least one control surface (73a, 73b) is provided with at least one stop recess (74a, 74b, 75a, 75b, 76a, 76b), positioned at a distance behind the front fixation member (30) and configured to receive a portion of the front fixation profile element (10) for preventing longitudinal displacement of the feeder device (20) when the front fixation member (30) is out of engagement with and positioned in front of the front fixation profile element (10).