Collapsible Tripod Light Support for Portable Worksite Illumination

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Solution Overview

Problem

Existing portable lights either lack sufficient illumination or are cumbersome to transport, posing challenges for illuminating remote worksites without permanent lighting fixtures.

Innovation Solution

A tripod light with a collapsible support assembly and telescoping shaft, allowing for easy deployment and stowage, featuring a frame with a light assembly and a support assembly that includes pivotable and rotatable legs for stable illumination and compact storage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If larger lights are used to provide sufficient lighting, then illumination intensity is improved, but portability deteriorates

Engineering Contradiction:
Improvelight outputVSAvoidportability
Core Design Contradiction:
Illumination intensityVSWeight of moving object

Solution Approach 1:

The support assembly is divided into three separate legs that can be independently deployed and collapsed. Each leg is a separate component that can be stowed against the frame, allowing the light to be broken down into manageable segments for easy transport while providing stable support when deployed

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The legs are designed to be pivotable between a stowed position adjacent to the frame and a deployed position away from the frame. This dynamic configuration allows the support structure to transition from a compact portable state to a stable deployed state, resolving the contradiction between portability and illumination capability

Inventive Principle:
Principle #15Dynamics

2Stability of the object's composition

If a support assembly with extended legs is used, then stability is improved, but compactness deteriorates

Engineering Contradiction:
ImprovestabilityVSAvoidstorage volume
Core Design Contradiction:
Stability of the object's compositionVSVolume of moving object

Solution Approach 1:

The second and third legs are configured to rotate relative to the first leg and nest together in a collapsed position. When not in use, the legs can be rotated to align with each other, creating a compact nested configuration that minimizes storage volume while maintaining stability when deployed

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The legs incorporate rotational joints that allow them to transition between a stable deployed configuration and a compact collapsed configuration. This dynamic capability enables the support assembly to provide stability during use while occupying minimal space during transport and storage

Inventive Principle:
Principle #15Dynamics

3Ease of operation

If multiple pivotable legs are included, then ease of deployment is improved, but device complexity increases

Engineering Contradiction:
Improvedeployment easeVSAvoidstructural complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The support assembly is segmented into three independent legs, each with its own pivot joint. This segmentation allows each leg to be independently deployed and positioned, simplifying the deployment process while distributing the mechanical complexity across multiple simple, identical components

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Each leg serves multiple functions: providing structural support, enabling portable configuration through pivoting, and contributing to stability when deployed. The universal design of the three identical legs reduces overall device complexity by using standardized components throughout the structure

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

Data Source

PatentUS12480629B2Tripod light
Publication Date: 2025.11.25 TECHTRONIC CORDLESS GP
  • US12480629B2 patent drawing
  • US12480629B2 patent drawing
  • US12480629B2 patent drawing

AI summary

A tripod light may include a frame supporting a light assembly. A tripod light may include a support assembly coupled to the frame by a hinge and configured to support the frame on a surface, the support assembly including a first leg, a second leg, and a third leg, each of the legs being pivotable relative to the frame about the hinge between a stowed position adjacent the frame, and a deployed position away from the frame, wherein each of the second leg and the third leg is configured to rotate relative to the first leg between a collapsed position in which each of the second leg and the third leg is aligned with the first leg, and a respective extended position of the second leg and the third leg.