Clip-On Tool Guard Assembly With Lever Lock for Fast Shielding Changes
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Solution Overview
Problem
Traditional tool guards require cumbersome and time-consuming switching between different configurations, leading to inefficiency when adapting to varying shielding needs.
Innovation Solution
A clip-on guard assembly with a self-activating locking mechanism and two-step unlocking process, allowing quick and secure attachment and detachment to existing tool guards, providing extended or modified shielding coverage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional tool guards are used with multiple configurations, then shielding coverage can be adapted to different operations, but switching between configurations is cumbersome and time-consuming
Solution Approach 1:
The guard assembly is divided into a base guard and a detachable clip-on guard portion. This segmentation allows the clip-on portion to be quickly attached or removed from the base guard, enabling rapid configuration changes without manipulating multiple separate guards. The clip-on guard includes fastening mechanisms (screws, clips, or snap-fits) that secure it to the base guard in seconds.
Solution Approach 2:
The guard assembly transitions from a static, fixed-configuration design to a dynamic, easily reconfigurable system. The clip-on guard portion is designed to be quickly attached and detached, allowing the overall guard configuration to adapt dynamically to different operational needs without time-consuming adjustments.
2Adaptability or versatility
If multiple separate guards are used for different operations, then distinct shielding configurations are available, but switching between them is cumbersome
Solution Approach 1:
The base guard is designed with universal attachment features that accommodate multiple types of clip-on guard portions. This multi-functionality allows a single base guard to work with various clip-on attachments for different operations (cutting, grinding, sanding, etc.), eliminating the need to switch between multiple complete guard assemblies while maintaining ease of operation.
3Productivity
If a detachable guard assembly is used for quick attachment, then switching efficiency is improved, but secure locking and reliability may be compromised
Solution Approach 1:
The clip-on guard portion includes pre-positioned fastening mechanisms (screws, clips, or snap-fit elements) that are ready for immediate engagement with the base guard. This preliminary preparation allows the operator to simply attach the guard without complex assembly steps, achieving quick attachment while maintaining secure locking through the pre-configured fastening system.
Solution Approach 2:
The fastening mechanisms are designed to self-secure upon attachment. For example, snap-fit elements automatically engage and lock when the clip-on guard is positioned on the base guard, and set screws automatically tighten when hand-tightened, providing reliable locking without requiring additional manual intervention or tools during the attachment process.
Data Source
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AI summary
A clip-on guard assembly for a tool guard is disclosed. The tool guard provides shielding for a tool, and the clip-on guard assembly can be detachably mounted to the tool guard to provide additional shielding coverage for the tool. The clip-on guard assembly can include a guard cover that provides shielding coverage, first and second fasteners disposed on opposite ends of the guard cover, a lever pivotably mounted to the guard cover, and a locking member configured to releasably lock the lever in place when the guard is in use. In operation, the first fastener can be fitted onto one end of the tool guard. Pivoting the lever can move the second fastener into engagement with the opposite end of the tool guard, allowing an operator to securely attach the guard cover to the tool guard, thereby providing modified shielding coverage for the tool. Pivoting the lever in the opposite direction can move the second fastener away, allowing the clip-on guard assembly to be detached from the tool guard.