Firearm Slide Lock Self-Holding Mechanism for Easier Disassembly
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Solution Overview
Problem
Existing slide locks in firearm frame assemblies are difficult to actuate, especially for users with fingertip dexterity issues or decreased finger force, and require constant force to maintain during disassembly, particularly when wearing gloves.
Innovation Solution
A locking device with a slide lock that can be displaced transversely between unlocking and self-holding positions, utilizing form fits and spring mechanisms to secure the slide lock in place without continuous user force, allowing easier disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional slide lock mechanism is used, then the locking function is achieved, but the ease of operation deteriorates due to difficulty in actuation and maintenance
Solution Approach 1:
The slide lock is designed with a self-holding capability where it automatically maintains its position through a self-holding element that engages with the frame. This eliminates the need for continuous user force to maintain the unlocking position, making the device easier to operate particularly for users with dexterity issues.
Solution Approach 2:
The slide lock incorporates a self-holding element that is pre-configured to automatically engage with the frame when the slide lock is displaced to the unlocking position. This preliminary mechanical arrangement ensures the slide lock remains in the desired position without requiring continuous user intervention.
2Ease of operation
If constant force is applied to maintain slide lock in unlocking position, then the disassembly can be performed, but the ease of operation worsens due to difficulty in maintaining force
Solution Approach 1:
The self-holding element automatically maintains the slide lock in the unlocking position during disassembly operations. This eliminates the need for the user to continuously apply force to hold the slide lock in place, significantly improving ease of operation during the disassembly process.
Solution Approach 2:
The mechanical arrangement of the self-holding element and receiving slit is pre-configured to automatically engage and hold the slide lock position. This preliminary setup ensures the slide lock remains stable throughout the disassembly process without requiring continuous user force application.
3Ease of operation
If the slide lock is designed for easy displacement, then the ease of operation improves, but the reliability worsens due to risk of accidental displacement
Solution Approach 1:
The slide lock mechanism exhibits different mechanical characteristics in different positions: it is easily displaceable when transitioning between locking and unlocking positions, but becomes securely held when in the unlocking position due to engagement of the self-holding element with the frame. This localized differentiation of mechanical properties resolves the contradiction.
Solution Approach 2:
The slide lock system dynamically transitions between two states: a mobile state during position transitions and a stable self-holding state during operation. The self-holding element engages only when the slide lock is in the unlocking position, providing stability only when needed while maintaining ease of displacement during transitions.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates easier and more efficient disassembly of firearm components by reducing the need for constant user force on the slide lock, enhancing usability for users with dexterity challenges and improving handling in various conditions.
Implementation Method 1
The slide lock is preloaded into the locking position by means of a slide lock spring
Data Source
AI summary
A locking device for a firearm, the locking device includes a slide lock for installation in a frame assembly. On the slide lock is a first guiding part to be received in a first receiving slit of a frame of the frame assembly. Also on the slide lock is a second guiding part to be received in a second receiving slit of the frame of the frame assembly. The slide lock can be received in the frame displaceably between a locking position and an unlocking position. Further, the slide lock interacts with a barrel of the firearm such that the slide lock can be received in the frame displaceably in a transverse direction between the unlocking position and a self-holding position. Still further, the slide lock, when in the self-holding position, is secured to prevent it from being displaced of its own accord into the locking position.