Modular Shelf Assembly with Tool-Free Interlocking Connections

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Solution Overview

Problem

Existing modular shelving systems are difficult to construct and require additional tools, making them cumbersome and inefficient for user assembly, especially when trying to create customized configurations and connect multiple units.

Innovation Solution

A modular shelf assembly design featuring a shelf body with connecting arm openings, node apertures, and supports that allows for easy assembly and interlocking with multiple units, using connecting arms and receivers for secure attachment, enabling adjustable configurations and extended lengths and widths.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If traditional modular shelving systems are used, then the shelves can store and support items of all types, but the systems are difficult to construct and require additional tools to build

Engineering Contradiction:
Improveease of assemblyVSAvoidassembly complexity
Core Design Contradiction:
Ease of manufactureVSDevice complexity

Solution Approach 1:

The shelf components are designed to be self-assembling without requiring external tools. The connecting arms, caps, and supports feature self-aligning geometries and snap-fit mechanisms that allow users to assemble the shelving system by simple insertion and engagement actions, eliminating the need for screws, wrenches, or other assembly tools

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The shelving system is divided into modular components (shelf bodies, connecting arms, caps, supports, feet) that can be independently manufactured and assembled. Each component has standardized connection interfaces that simplify the assembly process while maintaining structural integrity, allowing the system to be built in a straightforward, step-by-step manner

Inventive Principle:
Principle #1Segmentation

2Weight of moving object

If modular shelving components are made lightweight for easy assembly, then the components are easier to handle, but the structural strength may be compromised

Engineering Contradiction:
Improvecomponent weightVSAvoidstructural strength
Core Design Contradiction:
Weight of moving objectVSStrength

Solution Approach 1:

The shelf components utilize composite construction combining lightweight materials (such as molded plastics or aluminum alloys) with strategic reinforcement elements. The shelf bodies, connecting arms, and supports incorporate ribbed structures, hollow chambers, or embedded strengthening features that maintain high strength-to-weight ratios, ensuring the lightweight components can still support various types of items

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The connecting arms and supports feature curved or arched geometries that provide structural strength through shape rather than mass. These curved elements distribute loads more efficiently, allowing the components to be made lighter while maintaining the ability to support shelf loads and resist deformation

Inventive Principle:
Principle #14Spheroidality (Curvature)

3Adaptability or versatility

If the shelf assembly allows adjustable height configurations, then the shelves can accommodate items of different shapes and sizes, but the assembly mechanism becomes more complex

Engineering Contradiction:
Improveconfiguration flexibilityVSAvoidadjustment mechanism complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The shelf bodies, connecting arms, and supports incorporate universal connection interfaces with multiple pre-defined opening positions. These standardized interfaces allow the same components to be assembled in various configurations (different heights, orientations, and arrangements) without requiring different parts or complex adjustment mechanisms, achieving versatility through modular interchangeability

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

Solution Approach 2:

The shelf assembly system allows dynamic reconfiguration by enabling users to easily adjust the position of connecting arms and supports between multiple fixed openings. The components can be disassembled and reassembled in different configurations to accommodate various storage needs, providing adaptability through simple, reversible adjustments rather than fixed rigid structures

Inventive Principle:
Principle #15Dynamics

4Adaptability or versatility

If multiple modular shelving units are joined together, then the user can create shelves of any desired length and width, but the connection system becomes more complex

Engineering Contradiction:
Improvecustomization capabilityVSAvoidconnection system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The shelf units feature universal connecting interfaces on all sides (connecting arms, caps, and supports with standardized openings and nodes). This allows any shelf unit to be joined with any other unit in any orientation, enabling users to create custom-length and custom-width shelving configurations using the same simple connection mechanism, without requiring specialized connectors for different joining scenarios

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

Data Source

PatentUS11350743B2Shelf assembly
Publication Date: 2022.06.07 CREATIVE PLASTIC CONCEPTS LLC
  • US11350743B2 patent drawing
  • US11350743B2 patent drawing
  • US11350743B2 patent drawing

AI summary

A modular shelf assembly that is adapted to interlock with adjacent modular shelf assemblies. The modular shelf assembly may include a shelf unit, a plurality of supports, and a plurality of feet. The shelf units, supports, and feet, in combination, are adapted to create the modular shelf assembly. The shelf unit may also be modular and have a shelf body that includes a cap. Each cap may have interlocking apertures that are adapted to receive interlocking components, which are used to connect multiple shelf assemblies.