String Light Assembly with Horizontal LED Lamps for Small Openings

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Solution Overview

Problem

Industrial and transportation lighting assemblies face challenges such as damage from navigating small openings, theft of commonly used lamps, and inadequate length flexibility, which are not effectively addressed by existing technologies.

Innovation Solution

A string lighting assembly featuring a length of electrical cable with secured sockets and covers that can be easily extended or retracted, utilizing elongated LED lamps oriented horizontally to reduce height and fit through small openings, and incorporating a shield tube for protection and secure connections to prevent theft.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional lighting assemblies are used in industrial settings, then they provide adequate illumination, but they are vulnerable to theft and damage when navigating small openings

Engineering Contradiction:
Improvetheft prevention and damage resistanceVSAvoidinstallation and navigation through openings
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The lighting assembly is divided into modular sections with individual sockets that can be independently replaced. The lamp sockets are designed as separate removable components from the main cable assembly, allowing quick replacement without replacing the entire lighting system.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The lamp sockets are integrated within protective covers that slide over the electrical cable. The connection ports are nested within the cover structure, providing protection while maintaining accessibility. The overall design nests multiple functional elements within a compact hierarchical structure.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Reliability

If lighting assemblies are made durable and theft-resistant, then reliability improves, but adaptability to different settings and opening sizes decreases

Engineering Contradiction:
Improvedurability and theft preventionVSAvoidflexibility for different settings and openings
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The lighting assembly incorporates flexible electrical cable that can bend and adapt to different routing requirements. The lamp sockets are designed with movable components that allow adjustment during installation. The protective covers can be positioned at different locations along the cable to accommodate various opening sizes.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The standardized socket design and universal connection ports allow the same lighting assembly to be used in multiple different settings and environments. The modular structure enables the system to adapt to various installation scenarios while maintaining consistent protection and reliability features.

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

3Reliability

If lamp sockets are made secure and theft-proof, then reliability improves, but ease of replacement and maintenance decreases

Engineering Contradiction:
Improvetheft preventionVSAvoidlamp replacement simplicity
Core Design Contradiction:
ReliabilityVSEase of repair

Solution Approach 1:

The lighting system is segmented into theft-proof main cable assemblies with integrated protective covers, and separately replaceable lamp sockets. This segmentation allows the secure portion to remain protected while the vulnerable lamp portion can be easily replaced by users without compromising the overall security of the installation.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS10451227B2String light
Publication Date: 2019.10.22 ERICSON MANUFACTURING CO
  • US10451227B2 patent drawing
  • US10451227B2 patent drawing
  • US10451227B2 patent drawing

AI summary

The present application discloses a string light assembly, such as for example, a string light assembly for task lighting in an industrial or transportation environment. In certain embodiments, an exemplary lighting device includes a length of electrical cable, at least one socket secured to the electrical cable, and at least one cover that encases the socket. The cover is secured to the electrical cable by placing the electrical cable in a through hole of the cover. In addition, the cover comprises a first connection port configured to receive an end of an electric lamp and a sloped surface that extends between a portion of the cover having the through hole and the connection port.