Planar Interlocking Moon Gear Mechanism for Access Control Tracking
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Solution Overview
Problem
Current access control systems face challenges in efficiently managing and tracking access to locked assets, often resulting in key loss and increased complexity due to the number of parts used, which can lead to higher costs and reduced accountability.
Innovation Solution
A planar interlocking mechanism featuring reflectively symmetric rotating moon gears mechanically coupled by a linear slide, allowing for secure and efficient access control through a simplified mechanism that reduces the number of parts required, enhances durability, and captures user identity for tracking purposes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional access control systems use multiple separate components for locking and tracking, then the system can provide basic access control functionality, but the quantity of parts increases and complexity increases leading to higher costs and reduced reliability
Solution Approach 1:
The patent combines multiple access control functions into a single integrated mechanism. The interlocking mechanism includes a first moon gear for locking, a second moon gear for tracking, and a linear slide connecting both, all operating as one unified system. This merging of functions reduces the quantity of separate parts while maintaining reliability through coordinated operation of integrated components.
Solution Approach 2:
The interlocking mechanism serves multiple functions simultaneously: the first moon gear provides locking capability, the second moon gear enables tracking of access events, and the linear slide transmits motion between them. This multi-functionality allows the system to perform both security locking and access monitoring with a single mechanism, reducing overall system complexity.
2Ease of manufacture
If traditional access control systems use complex mechanisms with many parts, then basic access control can be achieved, but manufacturing costs increase and assembly becomes more difficult requiring more tools
Solution Approach 1:
By merging the locking mechanism and tracking mechanism into a single interlocking assembly with shared components (moon gears, linear slide, cams), the patent reduces the total number of parts that need to be manufactured and assembled. This integration simplifies the manufacturing process and reduces assembly complexity.
Solution Approach 2:
The mechanism is segmented into functional modules (first moon gear assembly, second moon gear assembly, linear slide connection) that can be manufactured separately and then assembled together. This modular segmentation allows for easier manufacturing of individual components while maintaining overall system simplicity.
3Loss of information
If access control systems track user access to assets, then accountability is improved, but the system complexity and cost increase
Solution Approach 1:
The tracking function is merged into the same mechanical interlocking mechanism that provides locking. The second moon gear with its follower and cam interaction automatically records access events through mechanical motion, eliminating the need for separate electronic tracking systems and reducing overall complexity.
Solution Approach 2:
The mechanism uses itself to track access events. The motion of the first moon gear during locking automatically drives the linear slide, which in turn actuates the second moon gear to record the event. This self-service tracking eliminates external tracking systems and reduces complexity.
4Reliability
If traditional locking mechanisms are used, then basic security is provided, but durability is reduced due to high stress and strain on mechanical parts
Solution Approach 1:
The mechanism uses dynamic motion through rotating moon gears and sliding linear movement to distribute and reduce stress on individual parts. The cam-based actuation provides smooth, controlled motion that minimizes impact loads and mechanical strain, enhancing durability compared to rigid, static locking mechanisms.
Data Source
AI summary
Apparatus and associated methods relate to an access control system having a planar interlocking mechanism including two reflectively symmetric rotating moon gears mechanically coupled by a linear slide configured to respond to rotation of the moon gears. In an illustrative example, the moon gears are mechanically coupled by the linear slide via respective actuating cams. The moon gears may be provided, for example, with locking cams configured to releasably secure the linear slide via a corresponding follower on the linear slide. Rotation of one moon gear into a first mode may, for example, place the other moon gear in a second mode, and vice versa. Each moon gear may be configured, for example, to be operated by a removable peg. Various embodiments may advantageously be configured such that release of a removable peg from one moon gear captures a peg in a corresponding moon gear.