Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 6276256 | Breechblock for barrel weapons Breechblock for barrel weapons, having a breechblock head which is guided in a breechblock guide and, by means of a control element which can be moved to and fro in a straight line and has control ramps, can be brought out of a loading position into a loc... | 08/21/2001 |
| 5913262 | Breech for barrel-type firearms Breech for barrel-type firearms with a breech block head guided in a breech block support moveable from a loading position into a breech position, wherein the breech block head is provided with locking protrusions (5) corresponding with recesses (4) in th... | 06/15/1999 |
| 5463828 | Shot gun A gun 10, such as a shot gun or the like, of the type which includes a firing pin carrying bolt 25 which is reciprocally movable relative to the firing chamber 23 of the gun 10 between a first or firing position where the firing pin 29 can engage the rear... | 11/07/1995 |
| 5227578 | Weapon with disappearing bolt This weapon has an axially moveable bolt which is removed from the path of an incoming cartridge so that the cartridge can be moved from its feed position directly along the axis of the bore into the gun chamber. After the bolt "disappears" from the path ... | 07/13/1993 |
| 5085123 | Large-caliber guns A device used especially in a large caliber weapon for controlling the train of motion of an ammunition unit during the ramming thereof in the weapon, and of the case of the ammunition unit on firing of the gun includes an impact arrangement which upon ra... | 02/04/1992 |
| 4700608 | Machine gun This invention provides the provision of a machine gun having a pair of gun barrels fixed to the receiver with a pair of operating mechanism driven by a rocking lever and each operating mechanism including a reciprocating slider which drives a reciprocati... | 10/20/1987 |
| 4494440 | Arming sets for weapons system A weapons system for single-barrel automatic cannons uses PRUNIT rounds consisting of a projectile and a casingless solid body of propellant affixed to the projectile. A respective arming set is provided for at least some of said weapons to form central u... | 01/22/1985 |
| 4461203 | Breech-locking mechanism for firearms A device for loading and firing semi-automatic arms, particularly pistols, and comprising a plurality of follower lugs or pins carried in the slide, and a corresponding plurality of inclined grooves carried in the yoke and engaged by the lugs or pins so a... | 07/24/1984 |
| 4278008 | Separate loading ammunition automatic cannon A cartridge containing a propellant charge, and a separate projectile are dividually loaded into two independently operable sections of a gun breech assembly. The automatic loading operation is facilitated by separating the two sections during recoil move... | 07/14/1981 |
