Removable Stop Member for Sliding Door Security
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Solution Overview
Problem
Existing security devices for sliding doors and windows are often cumbersome, require direct attachment to the assembly, and have complex installations, which can compromise structural integrity and increase manufacturing costs.
Innovation Solution
A two-piece security device consisting of a base plate securely fastened to the floor or window sill and a removably interlocking stop member that projects into the path of the sliding door or window, preventing it from opening, without direct attachment to the assembly and with fewer parts for easier installation and use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If security devices are directly attached to the sliding door or window assembly, then security function is achieved, but structural integrity of the assembly is compromised
Solution Approach 1:
The patent introduces a floor-mounted base plate as an intermediary element between the security function and the sliding door assembly. The stop member engages with the door's track system rather than attaching directly to the door panel, using the floor structure as a stable anchor point. This mediator approach provides security while preserving the integrity of the door assembly.
2Reliability
If portable brace devices are used to secure sliding doors, then security function is achieved, but device complexity and number of parts increase
Solution Approach 1:
The security device is segmented into two main components: a floor-mounted base plate and a removable stop member. This segmentation allows the permanent installation of the base plate while keeping the stop member simple and removable. The division reduces overall complexity compared to portable devices that require multiple adjustable components.
Solution Approach 2:
The stop member is designed to self-adjust within the door's existing track system. Rather than requiring multiple adjustment mechanisms, the stop member simply engages with the track at the appropriate position, utilizing the door assembly's own structural features to provide security.
3Reliability
If portable security devices are installed and removed repeatedly, then security function is achieved, but loss of time occurs during installation and adjustment
Solution Approach 1:
The base plate is installed permanently in advance during construction or initial setup. This preliminary action eliminates the need for repeated installation and removal of the entire security device. The removable stop member can be quickly inserted or removed as needed, significantly reducing the time loss compared to portable devices that require full assembly and disassembly.
4Reliability
If devices with multiple parts are used to secure sliding doors, then security function is achieved, but manufacturing cost increases
Solution Approach 1:
The base plate and stop member are designed as simple, separate components that can be manufactured independently using standard fabrication processes. By merging the functions of anchoring and blocking into two simple components rather than one complex assembled device, manufacturing costs are reduced while maintaining security effectiveness.
Data Source
AI summary
A security device for a sliding door or sliding window assembly comprising a base plate and a removably interlocking stop member. The base plate is securely fastened to the floor or window sill, respectively, in close proximity and along the path of movement of a sliding door or sliding window, by means of a plurality of openings for receiving screws. The stop member, while engagingly disposed in the interlocked, in use position, prevents the sliding door or sliding window from opening at all or past a predetermined point. The base plate and stop member are each formed having an interlocking means element, adapted to receive, matingly, the others interlocking means element. The stop member features a blocking element, which projects into the path of the sliding door or sliding window, while in the in use position. Removing the stop member allows normal movement of the sliding door or sliding window.