Handgun Slide Locking Lever for Glove-Friendly Actuation
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Solution Overview
Problem
Existing locking sliders for firearm receiver assemblies can be difficult to actuate, especially for users with minimal finger strength or when wearing gloves, and may require complex maneuvers to unlock and remove the slide assembly.
Innovation Solution
A locking device with a locking slider and lever system that allows simplified handling by enabling the slider to move between retaining and release positions through a pivoting lever, featuring independent actuating and retaining parts and guide members for easy assembly and disassembly without requiring the lever to pivot fully.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional locking slider is used, then the structure is simple, but it is difficult to actuate especially for users with minimal finger strength or when wearing gloves
Solution Approach 1:
The locking slider is divided into two independent parts: a retaining part with a retaining lug and an actuating part with guide members. This segmentation allows the actuating part to be manipulated separately through the grip/receiver slots, enabling users to actuate the locking mechanism even when wearing gloves or with minimal finger strength, while the retaining part maintains the locking function.
Solution Approach 2:
The actuating part serves as an intermediary element that can be manipulated through the grip/receiver slots without requiring direct access to the retaining lug. This intermediary structure transmits the user's input force to the retaining part, enabling indirect actuation that is easier to perform under constrained conditions.
2Ease of operation
If the locking slider is designed with independent actuating and retaining parts, then ease of operation is improved, but device complexity increases
Solution Approach 1:
By segmenting the locking slider into actuating and retaining parts, the design enables independent manipulation of the actuating part through the grip/receiver slots. This segmentation simplifies the assembly and disassembly process as users can operate the actuating part without needing to access or manipulate the retaining lug directly, despite the increased component count.
3Ease of operation
If a locking lever is added to pivot the locking slider, then handling is simplified, but the mechanism becomes more complex
Solution Approach 1:
The locking lever introduces a dynamic pivoting motion to actuate the locking slider, transforming the static pushing motion into a rotational lever action. This dynamic mechanism amplifies the user's input force and provides mechanical advantage, making handling easier despite the added complexity of the lever assembly.
Solution Approach 2:
The locking lever adds a rotational dimension to the actuation mechanism, allowing the locking slider to be pivoted between retaining and release positions through angular motion rather than linear pushing. This dimensional change provides better mechanical leverage and control, improving handling ease at the cost of increased mechanism complexity.
Data Source
AI summary
A locking device for installation in a receiver assembly of a firearm. Unlocking the locking device allows removal of the slide assembly from the receiver assembly. The locking device includes a locking slider having a retaining lug, first and second guide members each formed on the locking slider, and a locking lever. The retaining lug may interact with a barrel to limit a movement of the slide assembly relative to the receiver assembly. The first and second guide members are received in first and second receiving slots, respectively, of a grip/receiver. The locking lever is pivotable about a pivoting axis and is couplable to the locking slider in such a way that the locking lever serves to actuate the locking slider. A transfer of the locking slider from a retaining position to a release position is effected by rotation of the locking lever.