Universal Key Holder Assembly for Multi-Type Key Blank Positioning
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Solution Overview
Problem
Existing key cutting machines are limited in the types of keys they can duplicate, require complex identification and positioning of key blanks, and often necessitate multiple machines and key holders, leading to user confusion and errors in the key duplication process.
Innovation Solution
A universal key holder assembly that can receive and support a wide variety of key types, featuring angled ramps and biasing members to securely hold key blanks in place for accurate cutting, simplifying the user experience and reducing errors by allowing a single machine to cut multiple key types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple key holders are used to support different key types, then the machine can cut more key types, but the device complexity increases and user operation becomes more difficult
Solution Approach 1:
The patent implements a universal key holder assembly that can accommodate multiple key types through a single standardized interface. The key holder block features a generally U-shaped configuration with adjustable retention members that can securely hold different key blade types (automotive, residential, high security, flip keys) without requiring multiple specialized holders, thus achieving multi-functionality while maintaining simple device architecture
Solution Approach 2:
The key holder assembly incorporates movable retention members (plungers with springs) that can dynamically adjust their position to accommodate keys of varying sizes and shapes. The plungers are biased by springs to engage keys of different depths and profiles, allowing the static key holder block to dynamically adapt to different key types, resolving the contradiction between versatility and complexity
2Adaptability or versatility
If multiple key holders are used to support different key types, then the machine can cut more key types, but the ease of operation decreases due to selection complexity
Solution Approach 1:
By providing a single universal key holder that can accommodate all key types through standardized positioning features and adjustable retention, the system eliminates the need for users to select from multiple specialized holders. The universal design with adjustable plungers automatically adapts to different key types, making the operation intuitive and error-free
Solution Approach 2:
The key holder assembly features self-adjusting retention members that automatically adapt to the inserted key's dimensions. When a key is inserted, the spring-biased plungers automatically engage and secure it in the correct position without requiring user intervention to select or adjust settings, making the system self-service and operationally simple
3Manufacturing precision
If precise positioning of key blanks is required for effective cutting, then the manufacturing precision improves, but the device complexity increases
Solution Approach 1:
The key holder block incorporates localized positioning features at specific locations within the U-shaped configuration. The retention members are positioned at predetermined locations that correspond to standard key insertion points, providing precise local positioning without requiring complex overall positioning mechanisms. This localized approach ensures accurate key blank positioning for cutting while maintaining simple device architecture
Solution Approach 2:
The patent replaces complex mechanical positioning systems with a simplified spring-biased plunger mechanism. Instead of using multiple adjustable mechanical components to achieve precise positioning, the system uses elastic force from springs to automatically position and secure the key blank against fixed reference surfaces in the key holder block, achieving precise positioning through elastic-mechanical interaction rather than complex mechanical adjustment
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 universal key holder assembly simplifies the key cutting process, reduces errors, and minimizes inventory and space requirements, enabling efficient duplication of various key types within a single machine, enhancing user experience and operational efficiency.
Implementation Method 1
a spring-biased plunger, the spring-biased plunger causing the one angled ramp to be pushed toward the other angled ramp
Data Source
AI summary
The present invention generally relates to the field of replicating or copying keys. More specifically, the present invention provides an improved key holder assembly for use in a key cutting machine, the key holder providing a universal or multiply key type holding apparatus to simplify the process of creating a copy of a master key. Spring or otherwise biased components hold a received or inserted ley blank in a preferred position for presenting to a cutting component.