Magnetic Tool Holder with Spring-Loaded Pegboard Friction Fit

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Solution Overview

Problem

Securing tools to a pegboard is time-consuming and inconvenient due to the need for fasteners and requires multiple pegs or hooks for elongate tools, leading to instability when disengaging tools.

Innovation Solution

A magnetic tool holder with spring-loaded legs that can be easily secured to a pegboard by pressing buttons to move the legs into disengagement position for insertion into peg holes, achieving a friction fit and allowing tools to be attached via a magnet.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional pegs or hooks are secured to a pegboard with fasteners, then the pegs or hooks remain securely attached, but the securing process becomes time-consuming and complex

Engineering Contradiction:
Improvesecure attachment of pegs or hooksVSAvoidtime required for securing pegs or hooks
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent removes the fasteners (screws, nails, etc.) from the tool holder structure entirely, extracting the complicating element that causes time-consuming installation. The tool holder achieves secure attachment through friction fit between the oblong leg holes and cylindrical legs, eliminating the need for separate fastening components.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The tool holder performs its own securing function through the spring-loaded main legs that automatically expand to create friction fit with the pegboard holes. The spring mechanism provides self-adjusting pressure to maintain secure attachment without requiring external fasteners or complex installation procedures.

Inventive Principle:
Principle #25Self-service

2Stability of the object's composition

If multiple pegs or hooks are used to support elongate tools, then the tools are better supported, but the process of securing and disengaging tools becomes more complex and unstable

Engineering Contradiction:
Improvesupport stability for elongate toolsVSAvoidnumber of pegs or hooks required
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The patent combines multiple support functions into a single integrated tool holder structure. The base member with multiple oblong leg holes and spring-loaded legs provides both positioning and support functions in one component, eliminating the need for multiple separate pegs or hooks while maintaining stability for elongate tools.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The spring-loaded main legs provide dynamic adjustment capability, allowing the legs to expand and contract as needed. This dynamic mechanism enables the tool holder to adapt to different tool sizes and weights, providing stable support for elongate tools while simplifying the attachment and removal process through the movable leg mechanism.

Inventive Principle:
Principle #15Dynamics

3Reliability

If the main legs are held in engagement position by spring force, then the tool holder maintains secure attachment to the pegboard, but force is required to disengage the legs for installation or removal

Engineering Contradiction:
Improvesecure attachment maintenanceVSAvoidforce required to press buttons
Core Design Contradiction:
ReliabilityVSForce

Solution Approach 1:

The patent segments the force application mechanism by using two separate spring-loaded buttons that can be pressed independently or simultaneously to disengage the main legs. This segmentation allows the user to apply force only when needed for installation or removal, while the spring mechanism maintains secure attachment during normal use without requiring continuous force.

Inventive Principle:
Principle #1Segmentation

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

Provides a quick and stable attachment method for tools to a pegboard, reducing the complexity of securing tools and ensuring they remain in place without the need for multiple fasteners.

Implementation Method 1

a magnet secured to the top surface of the base member... the tool is simply attached to the magnet exposed through the window

Methodology Applied
Scientific EffectMagnetic force: Magnetism

Implementation Method 2

Each button is disposed in operative communication with the each main leg of the pairs of main legs whereby, pressing the buttons together, simultaneously, and inwardly into the base member causes each pair of the main legs to move towards one another

Methodology Applied
Scientific EffectElastic force: Elasticity

Implementation Method 3

the buttons are released causing the main legs to move back to the engagement position resulting in turn in achieving a friction fit between the peg holes and the main legs

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentUS9560923B1Magnetic tool holder
Publication Date: 2017.02.07 WINNARD STANLEY D
  • US9560923B1 patent drawing
  • US9560923B1 patent drawing
  • US9560923B1 patent drawing

AI summary

Disclosed is a magnetic tool holder adapted to be used in conjunction with a pegboard. The tool holder comprises two pairs of legs that are adapted to be received within the peg holes such that, each pair is simultaneously slidably movable between a biased engagement position and a disengagement position wherein, the distance between the pair in the engagement position is greater than that of the pair in the disengagement position. Notably, a friction fit is achieved between pegboard and the main legs in the engagement position. The tool holder further comprises a spring-loaded means for causing the at least one pair of main legs to move from the engagement position to the disengagement position and a magnet disposed on top thereof, the magnet about which, tools are magnetically attached thereto.