Clip-On Tool Guard Assembly for Fast Shielding Changes
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Solution Overview
Problem
Existing 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 multiple dedicated guards are used to meet different shielding needs, then shielding coverage is improved, but device complexity and time to switch between guards increases
Solution Approach 1:
The tool guard is designed with universal adaptability by integrating a clip-on guard assembly that can be attached and detached to modify shielding coverage. The guard assembly includes fasteners and locking members that enable a single guard structure to perform multiple shielding configurations, eliminating the need for multiple dedicated guards for different operations.
2Adaptability or versatility
If multiple dedicated guards are used to meet different shielding needs, then shielding coverage is improved, but time to switch between guards increases
Solution Approach 1:
The guard assembly incorporates dynamic fastening and releasing mechanisms including lever-operated fasteners and spring-biased locking members. These dynamic components enable rapid attachment and detachment of the guard assembly, allowing operators to switch between different shielding configurations quickly without manual assembly or disassembly of multiple guards.
3Reliability
If a locking mechanism is added to secure the guard assembly, then reliability of guard attachment is improved, but device complexity increases
Solution Approach 1:
The locking member is designed as a self-activating mechanism that automatically engages when the lever is released. The spring-biased locking member automatically moves into the locked position to secure the guard assembly without requiring additional manual intervention, providing reliable attachment while minimizing operational complexity.
4Reliability
If a two-step unlocking process is implemented, then safety is improved by preventing accidental detachment, but ease of operation decreases
Solution Approach 1:
The two-step unlocking process requires preliminary action by the operator: first actuating the locking member to disengage it from the hook, then pivoting the lever to detach the fastener. This preliminary sequence of actions prevents accidental detachment while maintaining controlled and deliberate operation, ensuring safety without overly complicating the removal process.
Data Source
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.