Rail-Based Tool Storage With Resilient Clamping for Hand Tools

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Solution Overview

Problem

Conventional tool storage devices lack sufficient clamping force, leading to easy detachment and wear of hand tools, especially screwdrivers, when multiple sizes are stored together.

Innovation Solution

A tool storage device with a rail base and tool clamping seat featuring a resilient member between clamping portions, providing high clamping force through a U-shaped resilient member that abuts against the clamping portions to securely hold tools, and allowing for easy sliding and replacement of the resilient member.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If conventional sheet-shaped plates are used to hold hand tools, then the device structure is simple, but the clamping force is insufficient leading to easy detachment

Engineering Contradiction:
Improveclamping forceVSAvoiddevice structure
Core Design Contradiction:
StrengthVSDevice complexity

Solution Approach 1:

The clamping portion is designed to be movable relative to the base, allowing dynamic adjustment of clamping force. The resilient member enables the clamping portion to move and apply elastic force to maintain secure holding of tools, resolving the contradiction between simple structure and sufficient clamping force.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The resilient member changes the physical state from rigid to elastic, introducing a parameter change in the clamping mechanism. This allows the device to generate sufficient clamping force through elastic deformation while maintaining a relatively simple overall structure.

Inventive Principle:
Principle #35Parameter changes

2Ease of operation

If multiple sizes of hand tools are stored scattered in a toolbox, then the storage capacity is high, but the tools are not easy to be found and easy to collide and wear

Engineering Contradiction:
Improvetool accessibilityVSAvoidstorage structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The storage device is segmented into multiple independent clamping units, each capable of holding one tool. This segmentation allows tools to be individually accessed and positioned, improving accessibility while maintaining an organized structure that prevents collision and wear.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The clamping device is designed with universal applicability to hold multiple sizes of hand tools through adjustable clamping portions. This multi-functionality allows a single device structure to accommodate various tool sizes without increasing complexity, improving tool accessibility and organization.

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

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 device ensures secure clamping and positioning of tools, reducing wear and detachment, while allowing for easy tool retrieval and replacement of the resilient member when needed.

Implementation Method 1

the resilient member resiliently abutted against between the connecting portion and the clamping portion

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentUS12427644B2Tool storage device
Publication Date: 2025.09.30 CHUN NIEN PLASTIC LED
  • US12427644B2 patent drawing
  • US12427644B2 patent drawing
  • US12427644B2 patent drawing

AI summary

A tool storage device is provided, including: a rail base; a tool clamping seat, including a base, a clamping unit and a resilient member, the clamping unit disposed on the base, the clamping unit including a first clamping portion, a second clamping portion and a clamping space, the first clamping portion and the second clamping portion disposed on the base and spaced apart from each other; the resilient member resiliently abutted against between the connecting portion and the clamping portion.