Adjustable Tool Holder With Dual Connectors for Universal Tool Fit

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Solution Overview

Problem

Conventional extension poles with threaded or frictional connectors are not easily adaptable to a wide range of manual tools, leading to unreliable connections and ease of misplacement or loss of adaptors.

Innovation Solution

An adjustable tool holder with pivotally coupled tool connectors that can shift relative to each other, allowing for interchangeable connections with various tools using either threaded or clamp-type connectors, enabling secure and versatile attachment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a single-type connector (threaded or frictional) is used on extension poles, then the structure remains simple, but the adaptability to different manual tools is limited

Engineering Contradiction:
Improveadaptability to different manual toolsVSAvoidconnector structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The tool holder is designed with dual connectors: a threaded connector and a frictional connector, both integrated into a single device. This allows the tool holder to universally adapt to different manual tools that have either threaded ends or friction-fit handles, eliminating the need for separate adaptors and resolving the contradiction between versatility and structural simplicity.

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

2Adaptability or versatility

If adaptors are used to change connector types on extension poles, then adaptability improves, but the connection reliability deteriorates

Engineering Contradiction:
Improveconnector type compatibilityVSAvoidconnection reliability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

Instead of using separate adaptors that attach to the extension pole, the invention merges both threaded and frictional connectors directly onto the tool holder body. This integration ensures that both connection types are equally secure and reliable, as they are both directly mounted to the same structural base rather than being chained through multiple adaptors.

Inventive Principle:
Principle #5Merging (Combining)

3Adaptability or versatility

If multiple separate adaptors are used to achieve different connection types, then adaptability improves, but the ease of operation deteriorates due to difficulty of use and risk of misplacement

Engineering Contradiction:
Improveconnection method varietyVSAvoidease of connector switching
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The tool holder integrates both threaded and frictional connectors as permanent, built-in features rather than removable adaptors. This eliminates the risk of misplacing adaptors and simplifies operation, as users can directly attach tools using either connector type without needing to handle, install, or retrieve separate adaptor components.

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

Solution Approach 2:

The tool holder features a pivotally coupled tool support that can swing between different positions, allowing users to easily switch between the threaded connector and frictional connector. This segmentation of the tool support into movable sections provides easy access to both connection types, improving operational ease while maintaining adaptability.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS11794328B2Angularly adjustable tool connection having threaded connector and clamp-type connector
Publication Date: 2023.10.24 GORDON BRUSH MFG CO INC
  • US11794328B2 patent drawing
  • US11794328B2 patent drawing
  • US11794328B2 patent drawing

AI summary

An adjustable tool holder is configured for interchangeable use with a variety of tools provided with different connection elements. The connection elements include at least a first connection element configured for a first manner of connection with the tool holder and a second connection element configured for a second manner of connection with the tool holder. The tool holder includes a distally extending tool support operable to detachably support each of the tools. The tool support includes a first tool connector configured to releasably connect with the first connection element in the first manner of connection. The tool support includes a second tool connector configured to releasably connect with the second connection element in the second manner of connection.