Profiled Upright With Segmented Complementary Extension For Rabbeted Door Fixation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing door holding devices with electromagnetic attraction struggle to maintain proper spacing between the profiled support and upright when a door leaf has a rabbet, preventing effective fixation and cooperation between holding parts.
Innovation Solution
A profiled upright with a main profile and a complementary profile that can be assembled rigidly to extend laterally, allowing for adjustable fixing on the door leaf and frame, ensuring effective mechanical rigidity and cooperation between holding parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a rabbet is made in the edge of the free lateral side of the leaf to cover the frame, then the aesthetic appearance is improved, but the spacing between the profiled upright and support is compromised, preventing effective fixation
Solution Approach 1:
The profiled upright is divided into a main profile and a complementary profile that can be assembled together. The complementary profile acts as an extension that compensates for the rabbet indentation, allowing the upright to be fixed at the correct position despite the aesthetic rabbet feature on the leaf edge.
Solution Approach 2:
The complementary profile serves as an intermediary element between the main profile and the rabbet structure. It bridges the gap created by the rabbet, enabling proper spacing and fixation while preserving the aesthetic rabbet design on the leaf.
2Device complexity
If the profiled upright is fixed close to the free lateral side of the leaf, then the device complexity is reduced, but the spacing requirement for holding part cooperation is not met when a rabbet is present
Solution Approach 1:
By segmenting the upright into main and complementary profiles, the invention maintains simple fixing to the leaf while the assembled structure achieves the required spacing precision. The complementary profile adds the necessary extension without complicating the overall device structure.
3Manufacturing precision
If the profiled support is offset towards the leaf to compensate for a rabbet, then the spacing is adjusted, but the mechanical resistance and fixation strength are reduced
Solution Approach 1:
The complementary profile provides a dedicated structural extension that maintains mechanical resistance while achieving the required spacing adjustment. Instead of offsetting the entire support structure, only the necessary complementary portion is added, preserving the strength of the main fixation.
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 secure fixation and cooperation between electromagnetic holding parts, effectively blocking the door in the closed position even with a rabbet, maintaining mechanical resistance and ensuring proper alignment between the profiled upright and support.
Implementation Method 1
holding devices are already known which are specially designed to hold a pivoting leaf in the closed position of the door in a fixed frame by attraction, generally electromagnetic
Implementation Method 2
one in relation to the other. Such a holding device generally comprises, on the one hand, a support profile intended to be fixed on the frame and being capable of supporting a first holding part by attraction, of the electromagnet type, respectively of the counterplate type made of ferromagnetic material
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The jamb has a main section (5) comprising a base plate (5') provided with a main fixation and support surface (6) allowing fixation of the jamb on a body of a revolving door leaf (1), where the jamb supports an electromagnet (3) or a back plate (4) made from ferromagnetic material. A complementary section (8) is provided with a complementary fixation and support surface (9), and rigidly assembled with the base plate in a removable manner so as to prolong and laterally extend the main fixation and support surface of the base plate using the complementary fixation and support surface. An independent claim is also included for a revolving door leaf maintaining device comprising a sectioned jamb.