Left-Side Firearm Safety Lever for Faster Mode Switching
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Solution Overview
Problem
Existing firearms with safety mechanisms on one side can be cumbersome for left-handed shooters or those using weak hand shooting, requiring them to move their hand away from the firearm to operate the safety lever, slowing down the shooting process.
Innovation Solution
A left-side safety lever is added to firearms, allowing users to operate the safety mechanism with their trigger finger or thumb, maintaining proper hand positioning and enabling quick mode switching.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a safety mechanism is placed on the right side of the firearm, then right-handed users can operate it conveniently, but left-handed users must move their hand away from the firearm to operate it
Solution Approach 1:
The safety mechanism is divided into two separate levers: a right-side safety lever for right-handed users and a left-side safety lever for left-handed users. Each lever is independently positioned on its respective side of the firearm, allowing users to operate the safety mechanism with their dominant hand without moving their hand away from the firearm. This segmentation resolves the contradiction by providing dedicated operation interfaces for different user preferences.
Solution Approach 2:
The invention adds a spatial dimension by positioning safety levers on both the left and right sides of the firearm, rather than concentrating all safety mechanism components on one side. This dimensional distribution allows users to access the safety mechanism from their dominant hand side, improving both ease of operation and handing compatibility simultaneously.
2Ease of operation
If a user moves their hand away from the firearm to operate the safety lever, then they can reach the lever on the opposite side, but this slows down the shooting process
Solution Approach 1:
By segmenting the safety mechanism into side-specific levers, users can operate the safety without moving their hand from their natural gripping position. The left-side safety lever is accessible to left-handed users, and the right-side safety lever is accessible to right-handed users, eliminating the need to move the hand away from the firearm and thus maintaining shooting speed.
Solution Approach 2:
The safety levers are pre-positioned on the appropriate sides of the firearm during manufacturing, so that when a user picks up the firearm with their dominant hand, the safety lever is already within easy reach. This preliminary positioning eliminates the need for users to perform the preliminary action of moving their hand away from the firearm to access the safety mechanism.
3Device complexity
If a single-sided safety mechanism is used, then the firearm structure remains simple, but it creates inconvenience for left-handed or weak hand shooting
Solution Approach 1:
The safety mechanism is segmented into two independent lever systems positioned on opposite sides of the firearm. Each lever operates the same safety function but is independently positioned to accommodate different user preferences. This segmentation increases structural complexity minimally while significantly improving handing adaptability, as users can choose the side that corresponds to their dominant hand.
Solution Approach 2:
The dual-sided safety lever configuration provides universal applicability by accommodating both right-handed and left-handed users, as well as weak hand shooting scenarios. Both levers perform the identical safety function, making the system multi-functional in terms of user compatibility while maintaining a consistent and simple operational mechanism for each side.
Data Source
AI summary
A safety lever for a firearm is provided having a lever portion and a coupler portion. The lever portion is to extend along an exterior of a firearm. The coupler portion extends from the lever portion and is to extend through a wall of the firearm. The coupler portion has a recess to receive a portion of a safety axle of the firearm to rotatably couple the lever portion to the safety axle. The safety axle is coupled to a second safety lever on the opposite side of the firearm. The lever portion is pivotable along the exterior of the firearm to rotate the safety axle to switch the firearm between a fire mode and a safety mode.