Multifunctional Hand Tool Integrating Continuity Tester

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Solution Overview

Problem

Existing continuity testers are bulky, easily breakable, and often require multiple, plug-specific tools, making them impractical for professionals in the entertainment lighting industry who need to test and adjust lighting systems in challenging locations.

Innovation Solution

A multipurpose hand tool with a planar body incorporating a continuity tester, triple-stacked socket wrench, and various sockets, including ratcheting and yoke bolt sockets, designed for compactness and versatility, featuring a test lead connected to an indicator and power source within the tool's conductive body, allowing for simultaneous continuity testing and tool adjustments.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional continuity testers are used, then electrical continuity can be tested, but the device becomes bulky and easily breakable

Engineering Contradiction:
ImprovedurabilityVSAvoidbulk
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple functions (continuity testing, socket wrench, bottle opener, can opener) into a single integrated tool body. The continuity tester functionality is merged with mechanical tools, creating a compact multifunctional device that eliminates the need to carry separate bulky continuity testers and mechanical tools.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The tool body serves multiple purposes: it acts as a protective case for the continuity tester, a functional socket wrench for mechanical adjustments, and includes integrated bottle and can openers. This multi-functionality allows a single tool to replace multiple separate devices, reducing bulk while maintaining comprehensive utility.

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

2Adaptability or versatility

If plug-specific continuity testers are used for different lighting systems, then accurate testing is achieved, but multiple tools must be carried

Engineering Contradiction:
Improvetesting capabilityVSAvoidnumber of tools
Core Design Contradiction:
Adaptability or versatilityVSQuantity of substance

Solution Approach 1:

The tool incorporates a universal socket wrench mechanism that can accommodate different plug types and lighting system configurations. The ratcheting mechanism and adjustable components allow the same tool body to work with various lighting fixtures, eliminating the need for multiple plug-specific testers.

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

Solution Approach 2:

The tool includes adjustable and reconfigurable components that can adapt to different lighting system requirements. The dynamic adjustment capabilities allow the tool to transform its configuration for different testing scenarios, providing versatility without requiring multiple fixed-tools.

Inventive Principle:
Principle #15Dynamics

3Ease of operation

If lighting systems are positioned in high or tight locations, then proper lighting coverage is achieved, but testing and adjustment becomes difficult and dangerous

Engineering Contradiction:
Improvepositioning capabilityVSAvoidinjury risk
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

By combining continuity testing and mechanical adjustment functions in one tool, the patent eliminates the need to handle multiple separate tools in difficult-to-reach locations. The integrated design reduces the number of tool transitions and handling operations, thereby reducing injury risk while maintaining full operational capability for positioning and testing.

Inventive Principle:
Principle #5Merging (Combining)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The tool provides a compact, durable solution for testing electrical continuity and adjusting lighting systems, reducing the need for multiple tools and minimizing the risk of injury or damage, while enabling efficient positioning and testing in tight spaces.

Implementation Method 1

a power means (38) connected to the substantially planar body (10)

Methodology Applied
Scientific EffectBattery (electricity): Battery (electricity)

Implementation Method 2

The indicator means (37) may be an incandescent light bulb, a light emitting diode (LED), or another type of indicator

Methodology Applied
Scientific EffectLight Emitting Diode: Light Emitting Diode

Data Source

PatentUS8826776B2Multifunctional hand tool having continuity tester
Publication Date: 2014.09.09 JUNK ROBERT
  • US8826776B2 patent drawing
  • US8826776B2 patent drawing
  • US8826776B2 patent drawing

AI summary

The present invention is a multipurpose hand tool. The hand tool includes a substantially planar body, a continuity tester, and at least one triple-stacked socket wrench. The continuity tester has a single test lead connected to an indicator means connected to a power means connected to the substantially planar body.