Adjustable Cam Lock With Interchangeable Stop Pads
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Solution Overview
Problem
Cam locks face challenges in accommodating varying manufacturing tolerances of enclosure frames and strikes, leading to inconsistent fits and functions, which affects security, noise, and installation quality.
Innovation Solution
An adjustable cam lock system with a double-formed or offset cam and interchangeable stop pads of varying thickness, allowing for tool-free adjustments to ensure precise fit and function, including reversible and threaded configurations for enhanced customization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a fixed cam design is used, then the device complexity is reduced, but the manufacturing precision and fit consistency across different enclosures deteriorates
Solution Approach 1:
The cam system is segmented into a base cam and interchangeable stop pads. The stop pads are separate components that can be selectively attached to the cam, allowing different thicknesses and configurations without redesigning the entire cam assembly. This segmentation enables precise fitting adjustments while keeping the base cam design simple and standardized.
Solution Approach 2:
The invention changes the parameter of cam thickness by using interchangeable stop pads with different thicknesses. Instead of designing multiple cam variants with different dimensions, the system uses a single cam base and varies the thickness parameter through interchangeable pads, achieving precise fit consistency across different enclosure types while maintaining manufacturing simplicity.
2Adaptability or versatility
If multiple cam configurations are provided to accommodate different enclosures, then the adaptability improves, but the device complexity and inventory requirements worsen
Solution Approach 1:
The base cam is designed as a universal component that can be used with multiple enclosure types by combining it with different stop pads. The single cam base serves multiple functions by accepting various stop pad configurations, eliminating the need for separate cam kits for different applications and reducing overall system complexity.
Solution Approach 2:
The cam system is divided into a universal base cam and specialized stop pads. This segmentation allows the same base cam to be adapted to different enclosures by simply changing the stop pad, reducing inventory requirements and simplifying the overall device complexity while maintaining high adaptability.
3Ease of operation
If traditional cam adjustment methods require tools, then the ease of operation improves, but the ease of repair and field adjustment worsens
Solution Approach 1:
The adjustment mechanism is segmented into interchangeable stop pads that can be manually attached and removed without tools. This segmentation eliminates the need for complex threaded adjustments or specialized tools, allowing field technicians to make precise adjustments by simply swapping pads, thereby improving both ease of operation and ease of repair.
4Productivity
If manufacturing tolerances vary, then the productivity is maintained, but the reliability of cam lock function deteriorates
Solution Approach 1:
The system compensates for manufacturing tolerances by allowing parameter changes in the stop pad thickness. This enables the cam lock to accommodate variations in enclosure dimensions while maintaining reliable function. The interchangeable pads provide a simple way to adjust the clearance parameter without affecting manufacturing productivity.
Solution Approach 2:
By segmenting the cam system into a base cam and interchangeable stop pads, the invention allows for easy compensation of manufacturing tolerances. The stop pads can be selectively changed to achieve the proper fit, ensuring reliable cam lock function while maintaining high manufacturing productivity through standardized base cam production.
Data Source
AI summary
Disclosed are apparatus and methodology for fine tuning the fit and function of a cam lock used to secure an enclosure or similar. A cam lock is provided with a cam and a set of variously sized adjustment pads that may be individually secured at one end of the cam. The adjustment pads each differ in thickness, and are installable on the cam without the need of tools. The variously sized adjustment pads allow field installation and adjustment of the position of cam contact surfaces to easily and quickly adjust positioning for spacing variations due to manufacturing tolerances. Such customized installation provides improved security, reduced noise and rattle of the enclosure door, and a more professional aspect to the installation.