Tool Holder With Retention Elements And Aperture Frame

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Solution Overview

Problem

Existing tool holding devices fail to effectively protect and secure elongated tools, such as drain snakes, by providing a secure and removable holding mechanism within a tube or chamber.

Innovation Solution

A tool holder device comprising an insertion element with retention elements, a collar, and a frame that defines an aperture, allowing the tool to be partially enclosed and suspended within a chamber, preventing complete insertion and ensuring secure retention.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a tool holder is designed to securely hold an elongated tool within a chamber, then the tool is protected and secured, but the device complexity increases due to multiple components (insertion element, collar, frame)

Engineering Contradiction:
Improvetool securityVSAvoidholder structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The tool holder is divided into distinct functional segments: an insertion element with retention elements for securing the tool, a collar for positioning and preventing complete insertion, and a frame with aperture for structural support and tool suspension. This segmentation allows each component to perform its specific function efficiently while maintaining overall system reliability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The insertion element is designed to fit within the opening of the chamber, with the collar attached to the insertion element, creating a nested arrangement. The frame defines an aperture that allows the insertion element and collar assembly to be positioned within the chamber space, optimizing space utilization while maintaining structural integrity.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Reliability

If retention elements are added to apply outward pressure, then the tool is more securely retained, but the device complexity and manufacturing difficulty increase

Engineering Contradiction:
Improvetool retentionVSAvoidholder fabrication
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

Retention elements are strategically positioned at specific locations on the insertion element where they are most effective for applying outward pressure against the chamber walls. This localized approach ensures secure tool retention while minimizing the overall complexity of the device by placing retention features only where necessary.

Inventive Principle:
Principle #3Local quality

3Reliability

If the collar prevents complete insertion, then the tool is protected from accidental removal, but the ease of operation decreases due to restricted insertion depth

Engineering Contradiction:
Improvetool protectionVSAvoidinsertion convenience
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The collar is designed to prevent complete insertion of the tool holder into the chamber, stopping at a predetermined position that provides sufficient protection for the elongated tool. This partial action approach ensures tool security while maintaining operational convenience by allowing adequate insertion depth for tool placement without requiring full insertion.

Inventive Principle:
Principle #16Partial or excessive action

Data Source

PatentUS10639783B1Tool holder
Publication Date: 2020.05.05 GUIRLINGER EDWARD G
  • US10639783B1 patent drawing
  • US10639783B1 patent drawing
  • US10639783B1 patent drawing

AI summary

A tool holder comprises an insertion element, a collar and a frame. The insertion element is sized to fit within an opening of a chamber. The insertion element comprises at least one retention element, and each retention element is configured to apply pressure to a wall of the chamber thereby maintaining the disposition of the tool holder relative to the chamber. The collar is attached to the insertion element, and the collar is sized to prevent the tool holder from being completely inserted within the chamber. The frame defines an aperture sized to allow at least a portion of an elongated tool to drop through the aperture, yet further sized to prevent at least a portion of the elongated too to drop through the aperture, thereby suspending the elongated tool.