Adjustable Sliding Door Frames for EMI Shielding and Security
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Solution Overview
Problem
Sliding doors face challenges in incorporating security features due to their placement on one side of a wall, making it difficult for security features to operate effectively, and they often require different specialty door frames to fit varying wall thicknesses.
Innovation Solution
The use of adjustable door frames with adjustable frame segments that can fit different wall thicknesses, combined with electromagnetic compatibility (EMC) material for shielding, seals for enhanced security, and hardware components like tracks and headers to provide security features such as EMI/RFI shielding, blast resistance, and fire resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If sliding doors are positioned on one side of a wall, then installation is simplified, but security features cannot operate effectively
Solution Approach 1:
The door frame is divided into multiple segments including a first frame segment on the exterior side and a second frame segment on the interior side of the wall. This segmentation allows security features to be distributed across both sides of the wall, enabling effective operation while maintaining the simplified single-side installation advantage.
Solution Approach 2:
The patent transitions from a single-plane door frame configuration to a multi-dimensional configuration that extends through the wall thickness. By adding frame segments on both sides of the wall and incorporating wall anchors that penetrate through the wall, the system gains depth dimensionality, allowing security features to operate effectively from both exterior and interior sides.
2Manufacturing precision
If different specialty door frames are used for different wall thicknesses, then fit accuracy is improved, but device complexity increases
Solution Approach 1:
The door frame system is designed as a universal multi-functional assembly that can accommodate various wall thicknesses. The first and second frame segments are connected via adjustable connectors that allow the overall frame width to be adjusted, enabling a single frame design to fit different wall thicknesses without requiring multiple specialized frame types.
Solution Approach 2:
The frame incorporates adjustable and movable connection elements between the first and second frame segments. These dynamic connectors allow the frame to be adjusted in the field to match different wall thicknesses, transforming a static fixed-size frame into a dynamically adjustable frame that adapts to various installation conditions.
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 the integration of security features like EMI/RFI shielding, blast resistance, and fire resistance in sliding doors, accommodating various wall thicknesses without the need for specialized frames, enhancing security and functionality.
Implementation Method 1
the plurality of seals comprise a first edge seal, a second edge seal, a top edge seal, and a bottom edge seal... the plurality of seals made from electromagnetic compatibility (EMC) material to provide EMC shielding
Data Source
AI summary
A sliding door system having one or more sliding doors, door frames (e.g., static frames of different sizes for different wall thicknesses or adjustable frames that can be used to fit different wall thicknesses), sliding door hardware (e.g., tracks, wheels, soft closers, stops, or the like), header, door receiver, a plurality of seals, or the like. The sliding door system utilizes improvements to the components in order to provide security features, such as electromagnetic (EMC—EMI/RFI) shielding, sound resistance, blast resistance, forced entry and/or ballistic resistance, privacy features, light reduction, fire and/or smoke resistance, or the like to the sliding door system. In particular, the sliding door system allows for the use of the security features with the static or adjustable door frames described herein.