Automated Key Duplication Machine with Optical Identification
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Solution Overview
Problem
Conventional key duplication methods require skilled operators and are prone to errors due to manual selection of key types and models, alignment issues, and pressure inconsistencies, limiting their availability to consumers outside locksmith shops.
Innovation Solution
A fully automated key duplication system that includes a master key clamping module, alignment module, identification module, and cutting module, allowing for secure alignment, identification, and cutting of key blanks without human intervention, using a central positioning base and motorized components to replicate the tooth pattern of the master key.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual key duplication is used with skilled operators, then key duplication accuracy is maintained, but accessibility and convenience deteriorate due to requirement of specialized training and locksmith shop availability
Solution Approach 1:
The automated key duplication machine enables consumers to duplicate keys independently without requiring skilled operators or locksmith shop services. The system performs automatic key type identification, key blank selection, alignment, and cutting through integrated sensors and control mechanisms, making the service accessible to ordinary consumers while maintaining duplication accuracy
Solution Approach 2:
The patent replaces manual mechanical operations with automated systems including optical sensors for key identification, motorized alignment mechanisms, and computer-controlled cutting mechanisms. This substitution eliminates the need for skilled operator judgment and manual dexterity while maintaining or improving duplication precision
2Ease of operation
If automated key duplication is implemented, then accessibility and convenience are improved, but device complexity increases due to multiple modules and motorized components
Solution Approach 1:
The patent integrates multiple functions including key identification, key blank selection, alignment, and cutting into a single unified automated machine. The merging of these previously separate operations into one coordinated system improves accessibility while the integrated design helps manage complexity through functional consolidation
Solution Approach 2:
The automated key duplication machine is designed to handle multiple key types and models through universal identification and selection mechanisms. The system can accommodate different key formats (traditional, transponder, proximity cards) using the same basic platform, reducing the need for multiple specialized devices
3Reliability
If manual key selection is used, then adaptability to different key types is maintained through operator judgment, but errors increase due to difficulty in distinguishing similar key models
Solution Approach 1:
The patent employs optical sensors and imaging systems to automatically identify key types and models, replacing manual visual inspection and judgment. The system captures images of the key and uses pattern recognition algorithms to determine the correct key blank, eliminating human error in distinguishing similar key models while maintaining operational simplicity for the user
Solution Approach 2:
The system incorporates feedback mechanisms where sensors detect key characteristics, the control system processes this information to identify the key type, and the system adjusts its operations accordingly. This closed-loop feedback ensures accurate key type identification and appropriate key blank selection without requiring user expertise
Data Source
AI summary
An automatic key duplicating machine is disclosed. A master key identification module includes at least one key blade cross-section detector with a plurality of sliding elements, the master key identification module being configured to determine a key type for a master key based at least in part on engagement of the plurality of sliding elements with a blade profile of the master key. A key extraction module is configured to retrieve a key blank of an identified key type. A key cutting module is configured to cut the key blank in accordance with a tooth pattern of the master key.