Tool-Free Removable Clip for Reusable Collapsible Crates

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Solution Overview

Problem

Existing crates are often designed for single use and require tools for assembly and disassembly, which can be cumbersome and inefficient, especially when handling heavy loads.

Innovation Solution

A removable clip that is tool-free and can be used to securely fasten adjacent pieces of a collapsible crate without the need for tools, allowing easy assembly and disassembly by a single person.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If traditional fastening methods (nails, screws, tightening bands) are used to secure crate sides, then the crate structure is strong and stable, but assembly and disassembly require specific tools and are cumbersome

Engineering Contradiction:
ImproveEase of assembly and disassemblyVSAvoidTool requirement complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The clip is designed to be self-installing and self-securing through its spring-loaded mechanism. The resilient body automatically engages with the adjacent pieces when pressed together, eliminating the need for tools or external assistance during assembly and disassembly operations.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The crate structure is divided into separate adjacent pieces that can be independently assembled and disassembled using individual clips. Each clip acts as an independent fastening unit, allowing modular construction and easy reconfiguration of the crate without requiring the entire structure to be handled as one unit.

Inventive Principle:
Principle #1Segmentation

2Productivity

If traditional fastening methods are used, then the crate can be securely assembled, but it is designed for single use and requires disposal after use

Engineering Contradiction:
ImproveCrate reusabilityVSAvoidMaterial waste
Core Design Contradiction:
ProductivityVSLoss of substance

Solution Approach 1:

The clip and crate components are designed for recovery and reuse rather than disposal. The resilient clip can be repeatedly installed and removed without degradation, and the crate pieces can be disassembled and reassembled multiple times, enabling continuous reuse cycles that eliminate material waste associated with single-use crates.

Inventive Principle:
Principle #34Discarding and recovering

Solution Approach 2:

The crate transitions from a static, single-use structure to a dynamic, reusable system. The resilient clip allows the crate to be dynamically assembled and disassembled multiple times, adapting to different transport needs while maintaining structural integrity throughout repeated use cycles.

Inventive Principle:
Principle #15Dynamics

3Ease of manufacture

If reusable collapsible crates are developed, then environmental and financial benefits are achieved, but assembly and disassembly still require tools and multiple steps

Engineering Contradiction:
ImproveManufacturing efficiencyVSAvoidAssembly and disassembly time
Core Design Contradiction:
Ease of manufactureVSLoss of time

Solution Approach 1:

The clip performs multiple functions through its self-service design: it guides itself onto the adjacent pieces, secures the connection automatically through spring pressure, and can be easily removed without tools. This eliminates time-consuming manual operations and tool handling during assembly and disassembly processes.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

Multiple fastening functions are merged into a single clip component. The resilient body provides both the securing force and the release mechanism, combining what would traditionally require separate tools and multiple steps into one integrated action that can be performed quickly by hand.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS20250276830A1Removable clip
Publication Date: 2025.09.04 UFP IND INC
  • US20250276830A1 patent drawing
  • US20250276830A1 patent drawing
  • US20250276830A1 patent drawing

AI summary

A removable clip for fastening together a first piece adjacent to a second piece to form a portion of a crate. The removable clip includes a body. The body includes a first arm, a second arm coupled to the first arm, a third arm coupled to the second arm, a fourth arm coupled to the third arm, a fifth arm, and a sixth arm provided on the fifth arm between a first distal end and a second distal end. A first channel receives the first piece and a second channel receives the second piece.