Key Duplicator Retainer for Precision Code-Cut Key Origination
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Solution Overview
Problem
Conventional key duplicating machines lack the ability to efficiently generate original keys from a numerical code without requiring significant modifications or specialized skills, and existing code-cutting machines are often costly and complex to operate.
Innovation Solution
A system that adapts a key duplicating machine to perform code-cutting by using a retainer with precision components, such as pins, which are calculated based on the desired key code, allowing for registration and tracing to produce a code-cut key without modifying the machine, utilizing off-the-shelf precision components and standard locksmithing skills.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a key duplicating machine is used to generate original keys from code, then the ability to perform code-cutting is improved, but the machine requires significant modifications or specialized skills to operate
Solution Approach 1:
The patent enables a standard key duplicating machine to perform both duplication and code-cutting functions by using a retainer assembly with precision components that can be installed in the master vise. This allows one machine to serve multiple purposes without requiring specialized modifications to the machine itself.
Solution Approach 2:
The retainer assembly acts as an intermediary device between the code information and the key blank. It translates numerical code into precise mechanical positioning of pins, which then guide the cutting process. This intermediary mechanism allows the duplicating machine to perform code-cutting without internal modifications.
2Manufacturing precision
If a code-cutting machine is used to generate original keys from code, then the precision and accuracy of key generation is improved, but the cost and difficulty of operation increases
Solution Approach 1:
The patent uses a retainer assembly that replicates the functionality of a code-cutting machine's precision positioning system. By copying the essential measuring and positioning functions into a removable retainer that fits into a standard duplicating machine, it provides code-cutting precision without requiring the full complexity of a dedicated code-cutting machine.
Solution Approach 2:
The retainer assembly is a relatively simple, inexpensive accessory compared to a full code-cutting machine. It can be easily manufactured and replaced if needed, providing an economical way to achieve code-cutting capability without investing in expensive specialized equipment.
3Area of stationary object
If hybrid or combination machines are used to provide both duplication and code-cutting functions, then the space savings in cramped environments is improved, but the purchase price increases
Solution Approach 1:
Instead of purchasing a expensive hybrid machine, the patent makes a standard duplicating machine universal by adding a retainer assembly. This approach achieves the space-saving benefit of having one machine perform both functions without the premium cost of factory-integrated hybrid systems.
Data Source
AI summary
A retainer, that holds a group of precision, off-the-shelf components in relative alignment so as to allow a standard key duplicating machine to function as a key code origination machine is disclosed. A person of ordinary skill in pinning a lock and operating a key duplicating machine is able to practice the invention. An aspect of the invention is that an ordinary, inexpensive key duplicating machine can be converted to code-cutting functionality with minimal cost, requiring no adaptation of key duplicating machine. Also disclosed are methods of positional registration, machine error compensation, and notch shaping.