Magnetic Closure Parts With Rotational Release Locking
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Solution Overview
Problem
Existing closure devices fail to provide a simple and comfortable method for establishing a fixed, load-bearing connection between closure parts that is also easily releasable.
Innovation Solution
A magnetic closure device with permanent magnets and ferromagnetic materials, featuring a rotatable operative element that disengages the locking element from the engagement portion, allowing for a magnetic interaction that facilitates locking and unlocking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a magnetic closure device is used to establish a fixed, load-bearing connection, then the connection strength is improved, but the ease of operation deteriorates because the magnetic attraction makes separation difficult
Solution Approach 1:
The patent replaces traditional mechanical locking systems with a magnetic field-based locking mechanism. The magnetic attraction force provides the connection strength, while the locking element with engagement portion maintains the fixed connection. For release, a release element is introduced that interacts with the locking element to disengage it from the engagement portion, overcoming the magnetic attraction without requiring direct mechanical force against the magnetic bond.
Solution Approach 2:
The release element serves as an intermediary between the user and the magnetic locking system. Instead of directly overcoming the magnetic attraction, the user operates the release element, which then acts on the locking element to disengage it from the engagement portion. This intermediary mechanism simplifies the operation of separating the closure parts by providing a mechanical advantage or force multiplication that overcomes the magnetic bond.
2Reliability
If a locking element with engagement portion is used to create a fixed connection, then the connection reliability is improved, but the device complexity increases due to additional components
Solution Approach 1:
The patent combines multiple functions into integrated components. The locking element serves both as a structural component providing the fixed connection and as a magnetic component interacting with the magnetic field. The release element is integrated into the closure part structure, and the engagement portion is formed as part of the closure part geometry rather than as a separate component. This merging reduces the number of discrete parts while maintaining connection reliability.
Solution Approach 2:
The closure parts are designed with multi-functionality. The magnetic installations serve both to attract the closure parts together for closing and to hold the locking element in its engaged position. The locking element itself serves multiple purposes: providing structural support, enabling magnetic interaction, and creating the mechanical lock with the engagement portion. This multi-functionality reduces the need for additional specialized components.
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
Enables a secure, load-bearing connection that can be easily released by rotating the operative element, ensuring a simple and comfortable activation mechanism.
Implementation Method 1
The first magnetic installation and the second magnetic installation, when placing the first closure part and the second closure part against one another, interact in a magnetically attractive manner
Implementation Method 2
The at least one locking element herein is magnetically configured in such a manner that the at least one locking element in the closing position by way of the first magnetic installation and/or the second magnetic installation is loaded in the direction of engaging with the at least one engagement portion
Data Source
AI summary
A closure device includes a first closure part which has a body, and a second closure part. A locking element and an engagement portion in a closing position are mutually engaged in such a manner that the first closure part and the second closure part are locked to one another. The first closure part has a first magnetic installation, and the second closure part has a second magnetic installation, said first magnetic installation and said second magnetic installation when placing the first closure part and the second closure part against one another interact in a magnetically attractive manner. The at least one locking element is magnetically configured in such a manner that the at least one locking element in the closing position by way of the first magnetic installation and/or the second magnetic installation is loaded in the direction of engaging with the at least one engagement portion.


