Nested Trigger Safety Lever for Accidental Discharge Prevention
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Solution Overview
Problem
Traditional firearm safety mechanisms that rely on exterior body components to prevent accidental discharge can be unsightly and potentially dangerous if the exterior body is damaged.
Innovation Solution
A trigger safety mechanism with a lever nested within the trigger that prevents rotation unless actuated, featuring a plate, rod, and lever system to ensure safe operation while allowing quick discharge.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional exterior body safety mechanisms are used, then accidental discharge prevention is provided, but the appearance becomes unsightly and reliability decreases if the exterior body is damaged
Solution Approach 1:
The safety lever is nested within the trigger assembly, specifically positioned inside the trigger guard and trigger structure. This internal placement eliminates the need for external safety components that would compromise appearance, while the lever remains accessible for operation. The nesting principle resolves the contradiction by hiding the safety mechanism within the existing trigger structure, maintaining both aesthetic appearance and functional reliability.
Solution Approach 2:
The safety function is extracted from the exterior body and relocated to an internal lever mechanism within the trigger assembly. This extraction removes the harmful external components that damage appearance and reliability, while preserving the essential safety function through the internal lever that prevents trigger rotation unless properly actuated.
2Reliability
If traditional exterior body safety mechanisms are used, then accidental discharge prevention is provided, but the mechanism becomes potentially dangerous if the exterior body is damaged
Solution Approach 1:
By nesting the safety lever within the trigger assembly, the mechanism is protected from external damage that would affect exterior body components. The internal placement shields the safety function from environmental factors and physical damage, ensuring continued reliability even when the exterior body is compromised.
Solution Approach 2:
The safety function is extracted from the vulnerable exterior body and relocated to the protected internal trigger assembly. This removal from the exterior eliminates the harmful factor of external damage affecting safety mechanisms, while the internal lever maintains its protective function against accidental discharge.
3Reliability
If a lever nested within the trigger is used, then safety is improved without compromising ease of use, but the device complexity increases
Solution Approach 1:
The safety lever is merged with the existing trigger assembly, utilizing the same structural components and mounting points. The lever integrates with the trigger guard and trigger itself, sharing mechanical space and reducing the need for separate safety mechanism components. This merging approach adds safety functionality while minimizing the increase in overall device complexity.
Solution Approach 2:
The lever within the trigger assembly serves multiple functions: it acts as both a safety mechanism preventing accidental discharge and an operational component that the user must actuate to fire the firearm. This multi-functionality consolidates safety and operational roles into a single integrated component, reducing the need for additional separate mechanisms and thereby limiting complexity increases.
Data Source
AI summary
A firearm safety mechanism assembly is provided. The firearm safety mechanism assembly includes a firearm with a receiver, a trigger guard coupled to the firearm, and a housing pin. The firearm safety mechanism assembly includes a trigger safety mechanism. The trigger safety mechanism includes a plate, a rod extending from the plate, a trigger coupled to the rod, and a lever nested within the trigger. The lever includes a lever first end and a lever second end, where the lever rotates between a first position and a second position. In the first position, the lever first end abuts a housing pin.