Optical Key Duplication Machine Automates Blank Selection
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Solution Overview
Problem
Existing key duplication machines rely heavily on manual selection of key blanks, leading to inaccuracies and high scrap rates due to operator dependence, especially when dealing with automotive keys that require transponder chips, and lack user-friendly and cost-effective solutions for accurate key cutting.
Innovation Solution
A key duplication machine equipped with an optical imaging device and logic system that captures and analyzes the master key's image to determine the correct key blank, validate the selection, and accurately cut the key pattern, incorporating a clamping assembly and cutting member for precise duplication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual selection of key blank is used, then operator experience and judgment are utilized, but accuracy and reliability of key blank identification deteriorate due to human error
Solution Approach 1:
The patent replaces the manual visual inspection and mechanical selection process with an optical imaging system and automated logic. The optical device captures images of the master key, and the logic automatically identifies the correct key blank by comparing key characteristics, eliminating human error in blank selection.
Solution Approach 2:
The patent uses optical imaging to create a digital copy of the master key's characteristics. This copied information is then used by the logic to identify and select the appropriate key blank, ensuring accurate reproduction of the key pattern without relying on manual judgment.
2Productivity
If manual selection process is used, then flexibility in handling different key types is maintained, but productivity and efficiency deteriorate due to time-consuming identification process
Solution Approach 1:
The patent performs preliminary action by capturing an optical image of the master key and pre-identifying the correct key blank before the cutting process begins. The logic compares the captured image with key blank characteristics in advance, so when a key needs duplication, the correct blank is already identified and ready, eliminating time-consuming manual search.
3Manufacturing precision
If automated optical imaging system is implemented, then accuracy of key pattern capture is improved, but device complexity increases
Solution Approach 1:
The patent makes the optical imaging device multi-functional by using it for both capturing the master key pattern and identifying the correct key blank. The same logic that processes the key pattern also performs blank identification, reducing the need for separate specialized components and thereby limiting the increase in device complexity.
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 system significantly reduces human error in selecting the correct key blank, enhances the accuracy and quality of duplicate keys, and simplifies the key duplication process, making it more user-friendly and cost-effective by automating the identification and cutting process.
Implementation Method 1
an optical imaging device to capture an optical image of a master key
Data Source
AI summary
Apparatus, methods, and other embodiments associated with a key duplication machine are described. In one embodiment, an assembly for duplicating a master key includes an optical imaging device, a logic, a clamping assembly, and a cutting member. The optical imaging device is capable of capturing an optical image of at least a portion of the master key. The logic is capable of determining a key pattern of the master key from the optical image of the master key. The clamping assembly is capable of clamping a key blank and the cutting member is capable of cutting a key pattern into said key blank.