Door Barricade System With Custom Drive Engagement
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing door locking systems fail to provide reliable deterrence against unauthorized entry and may not allow authorized access from outside when physically blocked, as they can be easily overcome or require manual intervention to unlock.
Innovation Solution
A controlled access door barricade system with heavy-duty bolts, plates, and custom drive engagement features that can be activated from inside a room without opening the door, providing visual confirmation of locking and allowing controlled access from outside using a custom drive head.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a door lock or deadbolt is used to secure a door, then unauthorized entry is prevented, but the lock can be physically overcome by sufficient turning force, pry bars, or copy keys
Solution Approach 1:
The locking system is divided into separate functional components: a bolt mechanism for physical blocking and a lock mechanism for controlled activation. The bolt can be independently activated from inside the room without requiring door access, separating the locking function from the door handling function.
Solution Approach 2:
An intermediary mechanism (the bolt and its actuation system) is introduced between the door and the locking function. This bolt can be activated independently of the door handle or lock, providing a separate control path for securing the door from the interior.
2Reliability
If a deadbolt or physical blocking device is used, then unauthorized entry is prevented, but authorized access from outside cannot be reliably obtained without manual intervention to remove the block
Solution Approach 1:
The traditional approach is inverted: instead of requiring the person outside to unlock the door or remove the bolt, the system allows the person inside to activate the bolt for locking. The bolt can be engaged from the interior without any external intervention, reversing the traditional locking paradigm.
Solution Approach 2:
The locking mechanism serves itself by allowing the interior user to activate the bolt independently. The system is self-actuating from the inside without requiring external help, and the bolt remains in place without requiring continuous external monitoring or intervention.
3Reliability
If a door barricade system with no springs or internal mechanisms is used, then malfunction is eliminated, but the system requires manual removal of the bolt from outside the door
Solution Approach 1:
The bolt and its actuation mechanism are extracted as a separate, manually operable component. The bolt can be manually inserted and removed without requiring springs or complex internal mechanisms, eliminating malfunction while maintaining manual control over the locking function.
4Reliability
If existing door locks are used, then door securing is achieved, but the locks require opening the door or checking the handle to activate
Solution Approach 1:
The locking function is segmented from the door handle and opening operation. The bolt can be activated independently through a separate mechanism that does not require opening the door or interacting with the handle, allowing locking to be performed while the door remains closed.
Data Source
AI summary
Disclosed are apparatus and corresponding and/or associated methodology for door barricade systems which may be activated from inside an enclosure (or room) while still maintaining controlled serviceability or access to the enclosure from outside of the enclosure. Per some embodiments, bolts passed through a doorframe as a retrofit feature may support an interior plate which has a channel or passage for receipt of a manually removable door block member. The bolts are secured by an exterior plate and custom nuts which have customized drive surfaces. Corresponding custom drive head features interface with the custom nuts for either installation or removal of the door barricade system, even if the door block member is in place. Corresponding hole features on the custom nuts match with custom drive head pin features to provide an effective keyed entrance, which is hardened against forced entry if a person outside the secured room does not have the appropriate custom drive head.