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The snap gun strikes all of the bottom pins at once with a strong impact, and then withdraws again. The bottom pins transfer their kinetic energy to the top pins and come to a complete stop without penetrating the lock housing. [1] The driver pins are thrown out of the cylinder body entirely up into the lock housing. Until the springs force the ...
In firearms, the cylinder is the cylindrical, rotating part of a revolver containing multiple chambers, each of which is capable of holding a single cartridge. The cylinder rotates (revolves) around a central axis in the revolver's action to sequentially align each individual chamber with the barrel bore for repeated firing.
A tubular lock and key. A tubular pin tumbler lock, also known as a circle pin tumbler lock, radial lock, or the trademark Ace lock popularized by manufacturer Chicago Lock Company since 1933, is a variety of pin tumbler lock in which a number of pins are arranged in a circular pattern, and the corresponding key is tubular or cylindrical in shape.
The Borchardt C93 is a semi-automatic pistol designed by Hugo Borchardt in 1893.. The design is based upon the Maxim gun's toggle lock mechanism. The pistol uses a locked breech and a short recoil operating cycle, with the barrel and breech moving backward together for a short distance before the breech is unlocked.
Dardick's patent 2,847,784, issued in August 1958, is for a pre-stressed open-chamber gun with rotatable cylinder. Essentially this design was a revolver with the exterior of the chambers opened up, forming an open U shape rather than a closed O shape found on typical revolvers.
[3] [4] [5] More specifically, it refers to the mechanism or lock of such firearms. It may also refer to a gun's lock which uses slow match to ignite the powder charge. [6] [7] The matchlock was a lever mechanism that simplified the ergonomics of firing. Slow match would be held clear of the flash pan in a spring-loaded pivoting arm (the ...
The first known example of a tumbler lock was found in the ruins of the Palace of Khorsabad built by king Sargon II (721–705 BC.) in Iraq. [1] Basic principles of the pin tumbler lock may date as far back as 2000 BC in Egypt; the lock consisted of a wooden post affixed to the door and a horizontal bolt that slid into the post.
In the case of cylindrical breech guns, as the lever was rotated back, a loading arm on the left side of the gun seated a ball in the breech in front of the powder. [23] On sliding breech block Kalthoff guns, a bullet would drop into the leftmost chamber as the gun was pointed upwards, and a plunger would seat the ball in the barrel as the left ...
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