Tray Mounting Flap Mechanism for Tool-Free Display Assembly

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Solution Overview

Problem

Conventional collapsible display racks for consumer products require tools for assembly and additional hanging elements like hooks or clips to secure trays to the base, complicating the setup process at the point of sale.

Innovation Solution

A floor display system featuring a base with angled side wall slots and mounting flap portions on trays, allowing for tool-free assembly and secure attachment without additional hanging elements, utilizing corrugated paperboard components that can be easily assembled and disassembled.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional mounting methods using hooks or clips are used, then trays can be securely attached to the base, but additional hanging elements are required which complicates the setup process

Engineering Contradiction:
Improvesecure attachmentVSAvoidsetup process
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The mounting flap is integrated directly into the tray structure, combining the tray and mounting elements into a single component. This eliminates the need for separate hooks or clips, securing the tray to the base while simplifying the setup process to tool-free assembly.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The mounting flap serves multiple functions: it provides structural support for the tray, enables secure attachment to the base through the slot, and allows for easy installation and removal. This multi-functionality eliminates the need for dedicated hanging elements.

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

2Ease of operation

If tool-free assembly is implemented, then setup process is simplified, but secure mounting of trays may be compromised

Engineering Contradiction:
Improveassembly processVSAvoidmounting security
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The mounting flap utilizes elastic deformation to create a dynamic locking mechanism. As the flap is inserted into the slot, it bends elastically and then springs back to engage with the slot walls, providing secure mounting without requiring tools. The elastic property allows the flap to maintain constant contact pressure for reliable attachment.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The mounting flap is designed to self-lock into the slot through its elastic recovery. When inserted, the flap automatically engages with the slot structure without requiring external fastening elements or tools, achieving both ease of operation and secure mounting.

Inventive Principle:
Principle #25Self-service

3Reliability

If additional hanging elements like hooks or clips are used, then secure attachment is achieved, but the quantity of components increases

Engineering Contradiction:
Improveattachment securityVSAvoidnumber of components
Core Design Contradiction:
ReliabilityVSQuantity of substance

Solution Approach 1:

The mounting flap integrates the tray support structure and attachment mechanism into a single component. This merging eliminates the need for separate hooks, clips, or other hanging elements, reducing the total number of components while maintaining secure attachment.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The mounting flap performs multiple functions within a single component: it provides structural support for the tray, enables attachment to the base, and ensures secure positioning. This multi-functionality reduces component quantity while maintaining attachment security.

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

4Reliability

If complex mounting mechanisms are used, then secure attachment is ensured, but assembly time increases

Engineering Contradiction:
Improvemounting securityVSAvoidassembly time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The elastic mounting flap creates a rapid engagement mechanism that secures the tray to the base in a single insertion motion. The elastic recovery provides immediate locking action, eliminating the need for multiple adjustment steps or tool operations, thus reducing assembly time while ensuring secure attachment.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The mounting mechanism is self-actuating through elastic recovery. When the flap is inserted into the slot, it automatically locks into position without requiring manual adjustment or external fastening, enabling quick assembly while maintaining mounting security.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS20190021521A1Mechanism for securing a tray and the like
Publication Date: 2019.01.24 INT PAPER CO
  • US20190021521A1 patent drawing
  • US20190021521A1 patent drawing
  • US20190021521A1 patent drawing

AI summary

A floor display system comprising a base portion including a front wall having opposing first and second vertical edges, and first and second side walls extending from the vertical edges in generally perpendicular relation to the front wall. At least one side wall slot is formed in each of the first and second side walls and connected to respective front wall slot portions formed in the front wall. At least one tray is provided including a tray body connected to at least one mounting flap portion positioned in each of the side wall slots in the first and second side walls and extending into the corresponding front wall slot portions for supporting the tray body to the base portion.