Retractable Mast Light Assembly for Compact Tool Storage

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Solution Overview

Problem

Existing tool storage systems lack integrated lighting solutions that are modular, adjustable, and efficient for both operational and storage configurations, limiting their versatility and functionality.

Innovation Solution

A light assembly comprising a base module with a housing and a mast assembly that is adjustable between an operating configuration for illumination and a storage configuration, allowing the mast assembly to be extended or retracted, and a lighting element that can be positioned to minimize space usage during transport.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If the mast assembly is extended outwardly for illumination, then the lighting functionality is improved, but the storage space requirement increases

Engineering Contradiction:
Improvelighting functionalityVSAvoidstorage space requirement
Core Design Contradiction:
Illumination intensityVSVolume of moving object

Solution Approach 1:

The mast assembly is designed to be received within a recess formed in the cover of the base module when in the storage configuration. This nesting arrangement allows the extendable mast to be compactly stored within the base module's cover, minimizing the overall volume required for storage and transport while maintaining full extension capability for illumination operation

Inventive Principle:
Principle #7Nested doll (Nesting)

2Adaptability or versatility

If the mast assembly is made adjustable between extended and retracted positions, then the versatility is improved, but the device complexity increases

Engineering Contradiction:
ImproveadjustabilityVSAvoidmechanism complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The mast assembly incorporates an adjustable mechanism that enables dynamic reconfiguration between extended and retracted positions. This dynamic capability allows the lighting assembly to adapt to different operational requirements and storage conditions, providing versatility without requiring multiple separate components or complex assembly procedures

Inventive Principle:
Principle #15Dynamics

3Volume of moving object

If the lighting element is positioned to minimize space during transport, then the storage efficiency is improved, but the illumination coverage may be reduced

Engineering Contradiction:
Improvetransport space efficiencyVSAvoidillumination coverage
Core Design Contradiction:
Volume of moving objectVSIllumination intensity

Solution Approach 1:

The lighting system is segmented into a fixed base module containing the lighting element and a separate extendable mast assembly. During transport, the mast is retracted to minimize space while the lighting element remains positioned in the base module to maintain its illumination coverage. The segmentation allows the lighting function to be preserved independently while enabling compact storage of the mast component

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS20250271125A1Light assembly for use with a storage system
Publication Date: 2025.08.28 MILWAUKEE ELECTRIC TOOL CORP
  • US20250271125A1 patent drawing
  • US20250271125A1 patent drawing
  • US20250271125A1 patent drawing

AI summary

A light assembly includes a base module including a housing and a cover coupled to the housing, the cover including a recess, the housing defining a cavity enclosed by the cover; a mast assembly extending between a first end and a second end, the first end coupled to the cover; and a lighting element coupled to the second end of the mast assembly. The mast assembly is adjustable between: an operating configuration, in which the mast assembly extends outwardly from the base module, and a storage configuration, in which the mast assembly is at least partially received within the recess of the cover.