Firearm Conversion System with Hammer Safety Lock
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Solution Overview
Problem
Existing firearm conversion systems do not effectively convert revolvers loaded with black powder and ball to rapidly fire metallic cartridges, lacking efficient and convenient mechanisms for loading and unloading.
Innovation Solution
A firearm conversion system comprising an open top frame, a rotatable cylinder with axial chambers, a firing pin ring, and a barrel wedge, allowing for the conversion of black powder revolvers to fire metallic cartridges with a cartridge extraction tool for quick loading and unloading, enabling rapid firing and conversion between black powder and metallic cartridges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional black powder revolver is converted to fire metallic cartridges using existing conversion systems, then the revolver can fire metallic cartridges, but the conversion process is complex and time-consuming
Solution Approach 1:
The conversion system is divided into separate modular components: a cylinder assembly with chambers, a firing pin ring with multiple firing pins, and a barrel wedge. These segmented components can be independently manufactured and assembled, simplifying the overall conversion process while maintaining full functionality for metallic cartridge firing.
Solution Approach 2:
The firing pin ring serves multiple functions simultaneously: it provides multiple firing pins for rapid successive shots, acts as a rotational coupling mechanism between the cylinder and barrel, and incorporates a safety lock feature. This multi-functionality reduces the need for separate components, thereby reducing overall system complexity.
2Stability of the object's composition
If a conversion system uses a fixed cylinder and barrel assembly, then structural stability is maintained, but loading and unloading operations become time-consuming
Solution Approach 1:
The system incorporates dynamic elements that allow rapid reconfiguration: the barrel wedge can be moved between a locked position (maintaining structural stability during firing) and an unlocked position (allowing quick cylinder removal for loading/unloading). The firing pin ring can rotate to engage or disengage from the cylinder, enabling fast operational transitions without compromising structural integrity during normal fire.
Solution Approach 2:
The cylinder is pre-configured with multiple chambers that can be quickly cycled through the barrel using the rotational mechanism. The firing pin ring is pre-positioned with firing pins aligned to successive chambers, allowing rapid successive firing without manual repositioning. This preliminary arrangement of components enables fast loading and unloading operations while maintaining stability during firing.
3Device complexity
If a conversion system lacks a safety mechanism, then the structure remains simple, but the risk of accidental discharge increases
Solution Approach 1:
The safety lock mechanism is designed to prevent accidental discharge by requiring a deliberate action (rotating the firing pin ring in a specific direction) to disengage the lock. The lock is preliminarily positioned to block the hammer's firing path, and only intentional manipulation can remove this blocking action. This preliminary anti-action configuration provides reliable safety without requiring complex additional mechanisms.
Data Source
AI summary
A pistol has a forwardly extending cylindrical shaft with a cylindrical bearing surface. A rotatable cylinder is mounted on the bearing surface. A cylindrical chamber in the rotatable cylinder receives a cartridge. A firing pin ring with a firing pin aligned with the chamber is mounted on the bearing surface. A hammer safety lock includes a hole in the firing pin ring with a rearwardly extending pin. A barrel receives the cylindrical shaft. A barrel sleeve is positioned between the barrel and the shaft. A cartridge extraction tool is operable after axial sliding and separation between the cylinder and the cylindrical shaft. The cartridge extraction tool is adapted to be inserted into the chamber of the cylinder from the end remote from the firing pin ring to remove a cartridge.