Grinding Device with Magnetic Section Coupling to Replace Threading

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Solution Overview

Problem

Existing handheld grinders face challenges with threading that can be difficult for users with hand issues, require time-consuming assembly and disassembly, and increase material costs with larger sizes, making it hard to add functionality and maintain the device.

Innovation Solution

A grinding device composed of interchangeable sections connected by axial magnets, eliminating the need for threading, allowing easy assembly, disassembly, and modification of functionality, while enhancing grip and usability for users with hand issues.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If threading is used to secure sections, then sections remain in place during operation, but the threading becomes damaged and prevents easy opening for users with hand problems

Engineering Contradiction:

Improvesection retentionVSAvoideasy opening

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The patent replaces the traditional mechanical threading system with a magnetic field-based retention system. Magnets embedded in the section interfaces provide secure holding force during operation without requiring threaded structures, enabling users with hand problems to easily open and close the device by simply pulling sections apart.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent changes the physical parameter of section retention from mechanical interlocking (threads) to magnetic attraction force. By adjusting magnet strength and placement, the system achieves reliable section retention during grinding while allowing easy separation when needed, resolving the contradiction between secure operation and ease of opening.

Inventive Principle:

Principle #35Parameter changes

2Reliability

If threading is used to secure sections, then sections remain in place during operation, but the threading requires time-consuming assembly and disassembly

Engineering Contradiction:

Improvesection retentionVSAvoidassembly time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The magnetic retention system eliminates the need for threading operations during assembly and disassembly. Users simply align and push sections together for automatic magnetic engagement, or pull apart for separation, dramatically reducing the time required compared to traditional threading methods while maintaining secure section retention.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Adaptability or versatility

If the size of a section is increased, then the device can accommodate more functionality, but more threads are needed to secure each section

Engineering Contradiction:

ImprovefunctionalityVSAvoidthreading complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

By replacing the threading system with magnetic retention, the patent eliminates the direct relationship between section size and threading complexity. Larger sections can be added or modified without increasing the number of threads required, as magnetic strength can be adjusted independently of section dimensions, thereby enhancing functionality while reducing device complexity.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

4Adaptability or versatility

If additional functionality is added to the device, then the device performs more functions, but the threading cost increases

Engineering Contradiction:

ImprovefunctionalityVSAvoidthreading cost

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The magnetic retention system replaces complex threading operations with simpler magnet embedding processes. When additional functional sections are added to the device, the manufacturing cost increases significantly less compared to threading, as magnets can be easily integrated into section components without requiring precise thread cutting operations, thereby reducing manufacturing costs while enhancing functionality.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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 magnetic connection enables secure operation and easy separation of sections, allowing for customizable functionality and ease of use, reducing material costs and simplifying the addition of features without the need for threading, thus improving user experience and device versatility.

Implementation Method 1

The magnets are secured in each section such that when the separate sections are assembled, the magnets couple the sections together

Methodology Applied

Scientific EffectMagnetic attraction: Magnetism

Data Source

PatentUS11737603B1Grinding device having sections coupled by an internal interconnected magnetic post

Publication Date: 2023.08.29 QUTAMI FARIS

AI summary

A grinding device is composed of sections with varying functionality coupled together and configured to be interconnected through magnets arranged axially within the sections that constitute the device. The coupling of the sections creates chambers that perform grinding, screening, collection, and storage functions within the device. The axial arrangement of the magnets and supporting structures within the section enable easy assembly and disassembly of sections, remove the need for threading, enhance gripping for those with hand issues, and provide for changing the functionality of the device through the interchangeable sections.