Tool Retaining Device With Locking Member for Secure Attachment

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Solution Overview

Problem

Existing tool retention devices often cause difficulties in removing and securing tools, leading to inadvertent separation, which can result in damage and safety hazards, especially when working at heights.

Innovation Solution

A tool retaining device featuring a pliable strapping material wrapped around the tool, secured to a mounting lug with a fastener, and a securement device with a locking member that allows for easy attachment and detachment, preventing accidental separation while allowing tool rotation and use.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If existing tool retention devices are used to secure tools, then the tool is retained securely, but the user experiences difficulty in removing and securing the tool

Engineering Contradiction:
Improvetool retention securityVSAvoidtool removal and securing
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The locking member is designed to be movable between a locked position (extending over the slot to prevent removal) and an unlocked position (away from the slot to permit removal). This dynamic mechanism allows the device to transition between secure retention and easy removal states, resolving the contradiction between tool security and operational ease.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The locking member can be actuated by the user through simple manual operation, allowing the tool to be easily locked and unlocked without requiring additional tools or complex procedures. The strapping material with mounting lug also enables self-service attachment to various tools.

Inventive Principle:
Principle #25Self-service

2Reliability

If tools are secured firmly to prevent separation, then accidental drops are prevented, but the device complexity increases

Engineering Contradiction:
Improveprevention of inadvertent separationVSAvoidstructure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The device is divided into separate functional components: a strapping material for wrapping around the tool, a mounting lug for attachment, a securement device with slot for receiving the lug, and a locking member for securing. This segmentation allows each component to perform its specific function simply, reducing overall device complexity while maintaining reliability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The strapping material is made of pliable material that can be wrapped around tools of various shapes and sizes. This flexible design adapts to different tools without requiring complex adjustable mechanisms, simplifying the overall device structure while ensuring secure retention.

Inventive Principle:
Principle #30Flexible shells and thin films

3Reliability

If a securement device with locking mechanism is used, then tool separation is prevented, but the ease of operation for tool removal is reduced

Engineering Contradiction:
Improvetool securementVSAvoidtool detachment
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The mounting lug acts as an intermediary element between the strapping material and the securement device slot. It provides a simple interface that allows the tool to be easily attached and detached while the locking member provides securement. This intermediary simplifies the interaction between the user and the locking mechanism.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS10736406B2Tool retaining device
Publication Date: 2020.08.11 HINTZE IAN
  • US10736406B2 patent drawing
  • US10736406B2 patent drawing
  • US10736406B2 patent drawing

AI summary

A tool retaining device including a strapping material including pliable material which is adapted to be wrapped around a tool to secure the strapping material to the tool. The strapping material is securely retained to a mounting lug, the mounting lug being securable to a tool by a fastener. A securement device has a slot therein for lockingly receiving the lug, and the lug is removably securable to the securement device.