Direction-Reversing Lever for Full-Automatic Handgun Conversion
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Solution Overview
Problem
Existing designs for converting semi-automatic handguns to full-automatic weapons are inefficient due to reliance on the handgun's trigger for operation, limited space for additional triggers, and inconsistent shot repetition rates, making them unsuitable for accurate and stable serial shooting.
Innovation Solution
A device comprising a case with a separate operating trigger and a mechanical assembly that includes a direction-reversing lever and spring-biased cock to operate the handgun's trigger independently of the slide's motion, allowing for adjustable and secure full-automatic firing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If a second trigger is placed in the trigger guard to enable full-automatic firing, then continuous shooting capability is improved, but the device complexity increases and space constraints are violated
Solution Approach 1:
The patent combines the second trigger mechanism with the existing trigger guard structure, merging multiple functions into a single integrated component. The direction-reversing lever is integrated with the trigger guard, eliminating the need for separate complex mechanical assemblies while achieving full-automatic firing capability.
Solution Approach 2:
The trigger guard structure serves multiple functions: it houses the original trigger, accommodates the second trigger, and integrates the direction-reversing lever mechanism. This multi-functional design reduces overall device complexity while enabling both semi-automatic and full-automatic firing modes.
2Extent of automation
If a second trigger is placed in front of the own trigger in the trigger guard, then full-automatic operation is enabled, but the area available for trigger placement is reduced
Solution Approach 1:
The patent utilizes the vertical dimension within the trigger guard by positioning the second trigger above the original trigger, rather than placing it horizontally in front. The direction-reversing lever operates in a vertical plane, allowing compact arrangement that fits within the limited trigger guard space while enabling full-automatic functionality.
3Productivity
If the shot repetition rate is defined by the slide return time, then the firing speed is improved, but the reliability of shot delivery is reduced due to spring force variability
Solution Approach 1:
The patent separates the firing control function from the slide return mechanism. The direction-reversing lever divides the trigger operation into distinct phases: the first portion activates the slide return spring, while the second portion (after the lever reverses direction) activates the firing mechanism. This segmentation ensures reliable shot delivery independent of slide return speed variations.
Solution Approach 2:
The direction-reversing lever provides mechanical feedback that ensures the firing sequence occurs at the correct moment in the slide cycle. The lever's geometric design creates a predetermined reversal point that reliably triggers the firing mechanism, compensating for variations in spring force and slide return speed.
4Device complexity
If the lever operation depends on the slide return speed, then the device can be simpler, but the manufacturing precision required increases to ensure reliable operation
Solution Approach 1:
The direction-reversing lever is pre-configured with specific geometric dimensions that determine the reversal point. The lever's arm lengths and pivot positions are designed in advance to ensure reliable operation across the expected range of slide return speeds, reducing the need for high-precision manufacturing tolerances during assembly.
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
Enables convenient and accurate full-automatic serial shooting with improved handling and stability, comparable to dedicated full-automatic weapons, by decoupling the firing mechanism from the slide's motion and providing ergonomic operation.
Implementation Method 1
a spring-biased cock to operate the handgun's trigger independently of the slide's motion
Data Source
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AI summary
A device for converting a semi-automatic self-loading handgun into a full automatic weapon, wherein the handgun (3) comprises a slide (5) and an own trigger (11) and the handgun (3) is fixed in a front part of a case (2), in which an operating trigger (6) is arranged in a part of the case (2) behind the handgun (3), and the device comprises a means arranged between the operating trigger (6) and the own trigger (11) causing repeated and series activations of the own trigger (11) when the operating trigger (6) is in pulled state.