Cylindrical Lockset Assemblies with Anti-Rotation Mounting
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Solution Overview
Problem
Existing electromechanical locksets face limitations in compatibility with standard door preparations, requiring further improvements for enhanced functionality and installation ease.
Innovation Solution
The design of a cylindrical lockset with an exterior assembly, center assembly, and interior assembly, featuring a credential reader, electromechanical actuator, and wireless communication capabilities, which integrates with standard door preparations without the need for additional fasteners or modifications, ensuring secure access control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing electromechanical locksets are installed in standard door preparations, then compatibility issues arise requiring additional fasteners or modifications, but adding fasteners or modifications increases installation complexity and time
Solution Approach 1:
The lockset is designed with a universal mounting system that can be installed in standard door preparations using existing hardware and preparation patterns. The exterior and interior assemblies are configured to work with conventional door bore configurations, eliminating the need for custom fasteners or modifications while maintaining compatibility across different door types and preparations
2Reliability
If the lockset uses additional fasteners or modifications for installation, then secure mounting is achieved, but the installation time and complexity increase
Solution Approach 1:
The lockset assemblies are pre-configured with mounting features and alignment elements that enable direct installation into standard door preparations. The exterior and interior assemblies include integrated mounting components that align with standard door hardware patterns, allowing installers to complete the installation using existing fasteners without requiring preliminary modifications or additional specialized fastening hardware
3Manufacturing precision
If the lockset prevents rotation of exterior and interior assemblies during installation, then proper alignment and secure locking are ensured, but the installation process becomes more complex
Solution Approach 1:
The exterior and interior assemblies incorporate asymmetric design features including non-circular mounting interfaces and directional alignment elements. These asymmetric features provide inherent anti-rotation characteristics that guide proper installation orientation while preventing misalignment. The asymmetric mounting interfaces engage with corresponding features in the door preparation to automatically maintain correct alignment during installation without requiring complex anti-rotation mechanisms
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
The solution provides enhanced compatibility and secure access control by preventing rotation of the exterior and interior assemblies during installation, ensuring secure locking and unlocking mechanisms without modifying the standard door preparation, thus addressing compatibility issues and improving user experience.
Implementation Method 1
an electromechanical actuator, and wireless communication capabilities
Data Source
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AI summary
An exemplary lockset is configured for installation in a standard door preparation, and includes an exterior assembly, an interior assembly, and a center assembly connecting the exterior and interior assemblies. The exterior assembly includes an exterior escutcheon which houses a credential reader assembly including a multi-tech credential reader. The interior assembly includes an interior escutcheon which houses a control system. The center assembly includes a chassis, an outer surface of which may define a channel. The credential reader assembly is in communication with the control assembly via a wire harness, a portion of which may pass through the channel.