Pivotable Storage Trays for Modular Tool Access

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Solution Overview

Problem

Existing tool storage systems often leave tools in inaccessible positions, requiring trays to be removed for access, which is inefficient for workers.

Innovation Solution

A modular storage system with pivotable trays that allow upper trays to pivot open, providing access to lower trays without removal, and angled channels for storing longer tools.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If trays are stacked to store more tools, then storage capacity is improved, but accessibility to lower trays deteriorates

Engineering Contradiction:
Improvestorage capacityVSAvoidaccessibility
Core Design Contradiction:
Quantity of substanceVSEase of operation

Solution Approach 1:

The patent applies the dynamics principle by making the upper tray pivotable relative to the lower tray. The upper tray can rotate between a closed position (for compact storage) and an open position (for accessing lower tray tools). This dynamic mechanism allows the storage system to maintain high capacity while enabling easy access to previously inaccessible lower trays without removing any components.

Inventive Principle:
Principle #15Dynamics

2Ease of operation

If trays are made removable for access, then accessibility is improved, but device complexity increases

Engineering Contradiction:
ImproveaccessibilityVSAvoidremoval mechanism
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

Instead of making trays removable (which would add complexity), the patent uses a pivot mechanism that allows the upper tray to rotate open. This dynamic opening mechanism provides access to lower trays while maintaining the structural integrity and simplicity of the tray connections. The pivot axis and engagement features enable easy access without requiring complete removal and reinstallation of trays.

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If channels are added for storing longer tools, then adaptability is improved, but device complexity increases

Engineering Contradiction:
Improvetool storage adaptabilityVSAvoidchannel structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies segmentation by dividing the tray structure into functional zones: horizontal channels for shorter tools and angled channels for longer tools. This segmented approach allows the tray to accommodate various tool lengths and types without requiring a completely redesigned storage structure. The channels are integrated into the tray body, adding adaptability while minimizing additional complexity.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS20250276434A1Storage Trays for Modular Unit
Publication Date: 2025.09.04 MILWAUKEE ELECTRIC TOOL CORP
  • US20250276434A1 patent drawing
  • US20250276434A1 patent drawing
  • US20250276434A1 patent drawing

AI summary

Tool supporting trays for a modular storage unit are provided. The tool supporting trays are configured to pivotably engage to provide access to tools and/or tool accessories positioned on both trays. In various specific embodiments, an upper tray is stacked above a lower tray. The upper tray is pivotable in an upward direction, away from the lower tray such that a user can access tools and/or tool accessories supported by the lower tray without removing the upper tray from the modular storage unit.