Internal Holder for Magnetic Door Locking

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Solution Overview

Problem

Existing front doors and windows with magnetic locking systems require complex and visible external interventions for assembly, leading to increased manufacturing complexity and a negative impact on appearance due to visible screws or punched holes.

Innovation Solution

The magnetic closing elements are held by a holder arranged inside the chamber, eliminating the need for external intervention and simplifying production by using a clamped or glued mount within the frame, which can be integrated or separate, and designed to prevent rattling and ensure precise positioning.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the magnetic closing element is fixed from the outside by punching, stamping or screwing, then the magnetic closing element can be securely attached, but the manufacturing process becomes more complex and the appearance is degraded due to visible fasteners

Engineering Contradiction:
Improveattachment securityVSAvoidmanufacturing complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

Instead of fixing the magnetic closing element from the outside, the patent inverts the approach by providing a holder that is received inside the chamber and fixes the magnetic closing element from the inside. This eliminates the need for external punching, stamping, or screwing operations, thereby simplifying manufacturing while maintaining secure attachment.

Inventive Principle:
Principle #13The other way round (Inversion)

Solution Approach 2:

The patent introduces a holder as an intermediary component that mediates between the magnetic closing element and the chamber. The holder is fixed to the chamber wall and provides an internal mounting structure for the magnetic closing element, eliminating direct external fastening while ensuring secure attachment.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If the magnetic closing element is fixed from the outside by punching, stamping or screwing, then the magnetic closing element can be securely attached, but the appearance is degraded due to visible screws or punched holes

Engineering Contradiction:
Improveattachment securityVSAvoidappearance
Core Design Contradiction:
ReliabilityVSShape

Solution Approach 1:

The patent inverts the fastening direction by fixing the magnetic closing element from the inside of the chamber rather than from the outside. This internal fixation method completely hides all fastening elements, preserving the clean appearance of the door or window frame while maintaining secure attachment.

Inventive Principle:
Principle #13The other way round (Inversion)

Solution Approach 2:

The holder acts as an intermediary that enables secure attachment of the magnetic closing element while remaining hidden within the chamber. By providing an internal mounting structure, the holder allows the magnetic closing element to be securely fixed without any visible fasteners on the external surface.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Ease of manufacture

If intervention is carried out from the outside to fix the closing element, then the closing element can be attached, but further complicated manufacturing steps are required

Engineering Contradiction:
Improveassembly simplicityVSAvoidmanufacturing process complexity
Core Design Contradiction:
Ease of manufactureVSDevice complexity

Solution Approach 1:

The patent simplifies manufacturing by inverting the assembly sequence: instead of fixing the magnetic closing element to the frame from the outside, the holder is first fixed inside the chamber, and then the magnetic closing element is attached to the holder. This internal assembly approach eliminates complex external intervention steps.

Inventive Principle:
Principle #13The other way round (Inversion)

Solution Approach 2:

The holder serves as an intermediary component that simplifies the manufacturing process by providing a pre-prepared mounting structure inside the chamber. This allows the magnetic closing element to be easily attached during assembly without requiring subsequent external intervention, punching, or stamping operations.

Inventive Principle:
Principle #24Intermediary (Mediator)

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

This solution simplifies the manufacturing process, improves the appearance by eliminating visible fasteners, and ensures secure and quiet operation of the magnetic locking system.

Implementation Method 1

a magnetic locking device, comprising at least one first magnetic closing element, which interacts with a second magnetic closing element... cause a locking effect due to their mutual attraction

Methodology Applied
Scientific EffectMagnetic attraction: Magnetism

Data Source

PatentEP1854947B1Insect screen for a door or window opening
Publication Date: 2009.07.01 LAMMERMANN GERD
  • EP1854947B1 patent drawingFigure 1
  • EP1854947B1 patent drawingFigure 2~3
  • EP1854947B1 patent drawingFigure 4

AI summary

The door or window has a magnetic locking device including a magnetic locking unit (8) arranged in a chamber (10), which is closed on all the sides, of rotatable or slidable frame parts (3) of a rotatable or sliding frame (2). The magnetic locking unit works together with another magnetic locking unit (9), which is fastened to a door or window stock in a fixed manner. The former magnetic unit is held by using a holder (11), which is arranged within the inside of the chamber.