Modular Grill Cart Assembly with Tool-Free Connection Structures

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Solution Overview

Problem

Existing grills are often difficult to assemble, require numerous components, and lack portability and flexibility, with permanent installations being expensive and inflexible.

Innovation Solution

A modular grill system with a grill assembly and side assemblies that can be easily assembled without tools, featuring connection structures for quick coupling and uncoupling, allowing for customizable configurations and easy transportation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If traditional grill systems are used, then structural stability is improved, but assembly complexity and time increase significantly

Engineering Contradiction:
Improvestructural stabilityVSAvoidassembly complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The grill system is divided into modular components (grill assembly, side assemblies, connection structures) that can be independently manufactured and assembled. Each module contains integrated connection features that simplify assembly while maintaining structural integrity when connected.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Connection structures are integrated within the modular components themselves rather than being separate fastening elements. The connection structures are nested into the grill assembly and side assemblies, allowing direct coupling without external fasteners or complex assembly steps.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Reliability

If permanent outdoor grill installations are used, then functional stability is improved, but cost and flexibility deteriorate

Engineering Contradiction:
Improvefunctional stabilityVSAvoidflexibility
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The grill system transitions from a static permanent installation to a dynamic reconfigurable system. Modules can be connected and disconnected, allowing the system to adapt to different locations and configurations while maintaining functional stability through standardized connection mechanisms.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The modular design with standardized connection structures enables the grill system to serve multiple functions and locations. The same components can be reconfigured for different outdoor kitchen environments, providing both reliability and adaptability.

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

3Ease of operation

If foldable stands are used, then portability is improved, but set-up complexity and space consumption increase

Engineering Contradiction:
ImproveportabilityVSAvoidset-up complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The stand structure is segmented into collapsible sections that can be folded into each other, reducing transportation space while maintaining full functionality when deployed. The modular segments connect through simple interfaces that reduce set-up complexity.

Inventive Principle:
Principle #1Segmentation

4Strength

If traditional grill assembly methods are used, then structural integrity is improved, but assembly time and tool requirements increase

Engineering Contradiction:
Improvestructural integrityVSAvoidassembly time
Core Design Contradiction:
StrengthVSLoss of time

Solution Approach 1:

Connection structures are integrated within the modular components themselves rather than being separate fastening elements. The connection structures are nested into the grill assembly and side assemblies, allowing direct coupling without external fasteners or complex assembly steps.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The connection structures are designed to self-align and self-secure when modules are brought together. The complementary geometries of the connection features guide proper alignment and provide automatic mechanical engagement, eliminating the need for tools or complex assembly procedures while maintaining structural integrity.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS20250311885A1Grill and side cart attachment systems and methods
Publication Date: 2025.10.09 OHC IP HOLDINGS LLC
  • US20250311885A1 patent drawing
  • US20250311885A1 patent drawing
  • US20250311885A1 patent drawing

AI summary

Embodiments herein relate to grill systems. In an embodiment, a grill system is included. The grill system having a grill assembly and a first side assembly. The grill assembly can include a grill cart and a burner box configured to couple to a top portion of the grill cart. The burner box can include a first connection structure. The first side assembly that can include a first side cart and a first top cap configured to couple to a top portion of the first side cart. The first top cap can include a second connection structure. The first connection structure and the second connection structure mate together to couple the grill assembly to the first side assembly. Other embodiments are also included herein.