Rail-Mounted Shelf Display Clip With Trackless Product Pusher

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Solution Overview

Problem

Existing merchandise display systems face issues with product placement, as inclined trays and pusher systems can become obstructed by debris or sticky substances, leading to inefficient product movement and potential tipping, especially when dealing with varying product sizes and shapes.

Innovation Solution

A trackless pusher mechanism that includes a pusher paddle and a coiled spring, where the spring is mounted across the pusher floor or divider, preventing the paddle from tipping and allowing for smooth product movement on inclined or horizontal shelves, with adaptable dividers and mounting options for different product sizes and shapes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If inclined trays or plastic surfaces are used to enable product to slide toward the front, then product movement is facilitated, but the surfaces become obstructed with debris or sticky substances that inhibit sliding and cause products to tip over

Engineering Contradiction:
Improveproduct slidingVSAvoidproduct stability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The shelf surface is segmented into multiple inclined planes or trays, each with its own pusher mechanism. This segmentation allows independent control of product flow in different zones, preventing debris accumulation from affecting the entire surface and reducing tipping incidents.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A pusher mechanism acts as an intermediary between the inclined surface and the product. The pusher positively propels product forward rather than relying solely on gravity-induced sliding, while debris remains confined to specific areas and does not interfere with the pushing action.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Productivity

If pusher systems with tracks are used to push product forward, then product placement is improved, but the track becomes obstructed with dirt or sticky materials that hinder proper operation

Engineering Contradiction:
Improveproduct placement efficiencyVSAvoidtrack obstruction
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The pusher mechanism is extracted from the traditional track-mounted configuration and repositioned to operate independently on the shelf surface. This removes the vulnerable track component that was susceptible to obstruction by dirt and sticky materials, while retaining the pusher's effectiveness in advancing product.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

Instead of mounting the pusher to a fixed track and having it move, the pusher is positioned to move freely on the shelf surface while maintaining contact with product. This inverts the traditional approach, eliminating the track obstruction problem while preserving the pushing function.

Inventive Principle:
Principle #13The other way round (Inversion)

3Productivity

If pusher paddles are used to push product forward, then product movement is enhanced, but the paddles may tip or bend backwards causing binding of the pusher mechanism

Engineering Contradiction:
Improveproduct pushing efficiencyVSAvoidpusher mechanism binding
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The pusher mechanism is designed with dynamic flexibility, allowing the pusher body to flex or deform elastically when encountering resistance from product or debris. This dynamic response prevents permanent bending or tipping, and the mechanism automatically recovers its original position without binding or requiring manual intervention.

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

Ensures consistent and efficient product placement at the front of shelves, reducing obstructions and tipping, and allows for easy integration into existing systems, enhancing merchandising efficiency and adaptability.

Implementation Method 1

a coiled spring, where the spring is mounted across the pusher floor or divider, preventing the paddle from tipping

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 2

inclined trays or floors that through gravity will cause the product to move toward the front of the shelf

Methodology Applied
Scientific EffectGravity: Gravitation

Data Source

PatentEP3169195B1Product management display system with rail mounting clip
Publication Date: 2018.09.26 RTC IND INC
  • EP3169195B1 patent drawingFigure 1~2
  • EP3169195B1 patent drawingFigure 3~4
  • EP3169195B1 patent drawingFigure 5~6

AI summary

A product management display system for merchandising products on a shelf includes a rail mounting clip structure for removably coupling a front rail (9204) to a shelf (9202), the shelf having a channel structure (9304) extending along a portion of a front edge. Upon removable engagement with the shelf, the front rail (9204)may be used to engage with one or more divider (9208) and pusher devices configured to display products on a shelf (9202).