Magnetic Tool Release Lever With Alignment Insert

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Solution Overview

Problem

Magnetic hand tools lack a mechanism for safe and easy removal of ferrous materials, posing a risk to operators and requiring precise alignment without adhesives during assembly.

Innovation Solution

A magnetic tool assembly with a self-adhering or hinged release lever device/cap, utilizing an alignment insert to maintain coaxial alignment of the magnet and plates, allowing for safe and adhesive-free assembly and easy removal of ferrous materials through gravitational separation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If a release lever device is added to enable safe removal of ferrous materials, then operator safety is improved, but device complexity increases

Engineering Contradiction:

Improveoperator safetyVSAvoiddevice complexity

Core Design Contradiction:

Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The tool is divided into functional modules: magnetic head assembly, handle assembly, and release lever device. The release lever is a separate component that can be independently operated to control the magnetic field, allowing safe material removal without requiring the operator to touch the magnetic surface directly.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The release lever acts as an intermediary mechanism between the operator and the magnetic field. By operating the lever, the operator indirectly controls the magnetic clamping force, enabling material release without direct contact with ferrous materials or the magnetic surface.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Reliability

If adhesive is used to attach the release lever cap, then attachment reliability is improved, but ease of manufacture deteriorates

Engineering Contradiction:

Improveattachment reliabilityVSAvoidease of manufacture

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The patent replaces chemical bonding (adhesive) with mechanical attachment methods. The release lever cap is attached using mechanical means such as snap-fits, clips, or interference fits, which are easier to apply and verify than adhesives, while providing reliable attachment.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The release lever cap incorporates self-aligning features and self-securing mechanisms that allow it to attach reliably without requiring precise manual positioning or additional fastening steps. The design enables automatic alignment and secure attachment during assembly.

Inventive Principle:

Principle #25Self-service

3Manufacturing precision

If precise alignment of plates with magnet is required during assembly, then manufacturing precision is improved, but ease of operation deteriorates

Engineering Contradiction:

Improvealignment precisionVSAvoidease of assembly

Core Design Contradiction:

Manufacturing precisionVSEase of operation

Solution Approach 1:

Alignment insert elements serve as intermediary components between the plates and the magnet. These inserts provide built-in alignment features such as guide holes, ribs, or tapered surfaces that automatically align the plates with the magnet during assembly, eliminating the need for manual precision alignment.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The alignment insert elements are pre-positioned in the magnet before the plates are attached. This preliminary action establishes the correct alignment geometry in advance, so that when the plates are installed, they automatically assume the correct position without requiring precise manual adjustment.

Inventive Principle:

Principle #10Preliminary action

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 solution enables safe and user-friendly removal of ferrous materials without direct contact and eliminates the need for adhesives during assembly, enhancing operator safety and tool usability.

Implementation Method 1

magnetic flux is concentrated in the two plates

Methodology Applied

Scientific EffectMagnetism: Magnetism

Implementation Method 2

separation of ferrous material from the magnetic tool

Methodology Applied

Scientific EffectGravitation: Gravitation

Data Source

PatentUS10857654B2Release lever for magnetic tool with alignment insert element

Publication Date: 2020.12.08 ATLANTIC EXCHANGE INC

AI summary

A magnetic hand tool and method of assembly for manipulated conveyance over a surface for magnetic collection of ferrous articles, by which procedure a quick-release cap is used to release any and all collected ferrous material. This tool utilizes an alignment insert in a central opening of the magnet to coaxially align fastener guide holes through polar plates or protective covers on opposing planar sides of the magnet and a fastener guide hole in the insert, whereby insertion of the fastener through the guide holes laterally aligns the components of the assembly.The invention is the release device/cap, that is part of the assembly by means of a self-adhering or hinged cap with a lip, square, circular or other shape, to aid in the separation of ferrous material from the magnetic tool by pushing away the cap from the magnetic hand tool by holding the lip for that purpose. The divots make it that the release lever device/cap is held onto the magnetic hand tool assembly. The separation allows for the ferrous material to fall in the drop collection box by ways of gravitational pull.