Divided shelf for modular greeting card rack
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Solution Overview
Problem
Conventional corrugated card rack displays require significant labor and material costs due to the time-consuming assembly process from their collapsed configuration, as they often use a single sheet of corrugated material that 'accordions' to form multiple shelves, increasing assembly labor and material costs.
Innovation Solution
A divided shelf member with horizontal and vertical tabs that can be secured to a rack display base, featuring dividers to create multiple compartments, which can be easily erected from a knockdown configuration by folding and inserting tabs into slots, reducing assembly time and costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a single sheet of corrugated material is used to form multiple shelves through accordion folding, then the structural integrity and load-bearing capacity of shelves are improved, but the assembly labor time and complexity increase significantly
Solution Approach 1:
The single sheet of corrugated material is divided into multiple separate shelf members, each capable of independent assembly. This segmentation allows each shelf to be pre-formed and then quickly installed into the display rack without requiring time-consuming accordion folding operations, thereby reducing assembly time while maintaining shelf structural integrity
Solution Approach 2:
Shelf members are pre-formed with integrated tabs and dividers during the manufacturing process. The tabs are pre-positioned to align with slots in the display rack, and dividers are pre-attached to create compartments. This preliminary preparation eliminates the need for complex assembly operations at the point of use, significantly reducing assembly labor time
2Quantity of substance
If a single sheet of corrugated material is used to form multiple shelves, then material usage efficiency is improved, but manufacturing complexity and cost increase
Solution Approach 1:
Instead of using one large continuous sheet that requires complex folding and forming operations, the design segments the shelving into multiple smaller, standardized shelf members. Each shelf member can be manufactured using simpler, more efficient processes, reducing manufacturing complexity while maintaining material efficiency through standardized designs
Solution Approach 2:
The design changes the structural parameters of shelf members by incorporating integrated tabs and dividers that are formed as part of the shelf member itself rather than as separate components. This parameter change simplifies the manufacturing process by reducing the number of assembly steps required while maintaining material usage efficiency
3Device complexity
If traditional accordion-style shelves are used, then the display rack can be manufactured with fewer components, but the setup effort and labor costs increase
Solution Approach 1:
The display rack system is segmented into modular components: the base rack structure and multiple independent shelf members. Each shelf member is designed as a self-contained unit with integrated attachment features (tabs) that simplify installation. This segmentation increases the number of components but dramatically reduces setup effort by eliminating complex folding operations
Solution Approach 2:
Shelf members are pre-assembled with tabs and dividers in the correct positions during manufacturing. This preliminary action ensures that at the point of installation, the shelf members require only simple insertion into the rack slots without requiring setup personnel to perform complex assembly operations, thereby reducing setup effort and labor costs
Data Source
AI summary
A divided shelf for a display rack and related methods are provided. The divided shelf transforms from a knockdown configuration to an erected configuration. The divided shelf includes divider panels to divide the shelf into more than one separate compartments. The divided shelf is affixed to a display rack base.