Pneumatic shooting device

Abstract

A pneumatic shooting device, including a barrel and an action having a housing defining a pressure reservoir with a discharge outlet connected to the barrel. A linear bearing body is coupled with the housing. A piston with a discharge end is slidably movable within the linear bearing body to selectively open and close the discharge outlet.

1 . A pneumatic shooting device, comprising: 
 a barrel; and    an action including a housing defining a pressure reservoir with a discharge outlet connected to said barrel, a linear bearing body coupled with said housing, and a piston having a discharge end, said piston being slidably movable within said linear bearing body to selectively open and close said discharge outlet.    
   
   
       2 . The pneumatic shooting device of  claim 1 , wherein said piston includes an actuating end, said housing includes an actuating reservoir, said actuating end at least partially located within said actuating reservoir.  
   
   
       3 . The pneumatic shooting device of  claim 2 , further including a pressurized gas source pneumatically connected to both said pressure reservoir and said actuating reservoir.  
   
   
       4 . The pneumatic shooting device of  claim 2 , further including a supply fitting pneumatically connected to said pressure reservoir, an actuator fitting pneumatically connected to said actuating reservoir and a slip ring connected to both said supply fitting and said actuator fitting, said slip ring for a proper positioning of said supply fitting and said actuator fitting.  
   
   
       5 . The pneumatic shooting device of  claim 2 , further including an end cap pneumatically connected to said actuating reservoir, said end cap having an exhaust vent connected to an ambient.  
   
   
       6 . The pneumatic shooting device of  claim 2 , further including a pressurized gas source, a trigger being located pneumatically between said pressurized gas source and said actuating reservoir, and a trigger safety mechanically connected to said trigger.  
   
   
       7 . The pneumatic shooting device of  claim 1 , wherein said discharge end includes a radial seal.  
   
   
       8 . The pneumatic shooting device of  claim 1 , wherein said pressure reservoir includes a barrel interface, said discharge opening located at said barrel interface, said barrel interface includes a face seal.  
   
   
       9 . The pneumatic shooting device of  claim 1 , further including a pressurized gas source pneumatically connected to said pressure reservoir, a regulator pneumatically connected to said pressurized gas source and a tubing from said regulator to said pressure reservoir.  
   
   
       10 . The pneumatic shooting device of  claim 9 , wherein said tubing has a burst pressure and said pressure reservoir has a pressure rating, a ratio of said burst pressure to said pressure rating is no more than 0.5.  
   
   
       11 . The pneumatic shooting device of  claim 1 , wherein said pressure reservoir has both a pressure rating and an operating pressure, a ratio of said operating pressure to said pressure rating is no more than 0.5.  
   
   
       12 . The pneumatic shooting device of  claim 1 , further including a pressure relief valve between said pressure reservoir and an ambient.  
   
   
       13 . The pneumatic shooting device of  claim 1 , further including a breech associated with said barrel, said pneumatic shooting device being loaded with a projectile at said breech.  
   
   
       14 . The pneumatic shooting device of  claim 1 , wherein said pressure reservoir is operated at a pressure of no more than 200 psi.  
   
   
       15 . The pneumatic shooting device of  claim 1 , wherein said discharge outlet has a discharge outlet diameter, said barrel has a barrel diameter, a ratio of said discharge outlet diameter to said barrel diameter is greater than 0.1.  
   
   
       16 . The pneumatic shooting device of  claim 15 , wherein said discharge outlet is an abrupt pneumatic orifice.  
   
   
       17 . The pneumatic shooting device of  claim 1 , wherein said barrel and said housing are one of monolithic and separate.  
   
   
       18 . The pneumatic shooting device of  claim 1 , wherein said piston includes an actuating end, said piston is at least one of pneumatically actuated, electrically actuated, magnetically actuated, electro-magnetically actuated and chemically actuated.  
   
   
       19 . The pneumatic shooting device of  claim 1 , wherein said pneumatic shooting device is one of a bazooka, a grenade launcher, a mortar, a rocket launcher, a cannon, a rocket propelled grenade launcher, a missile launcher, a landmine and a gun.  
   
   
       20 . The pneumatic shooting device of  claim 1 , wherein said linear bearing body is one of defined by and attached to said pressure reservoir  
   
   
       21 . An action for use in a pneumatic shooting device, comprising: 
 a housing defining a pressure reservoir with a discharge outlet;    a linear bearing body coupled with said housing; and    a piston having a discharge end, said piston being slidably movable within said linear bearing body to selectively open and close said discharge outlet.    
   
   
       22 . The piston valve of  claim 21 , wherein said piston includes an actuating end, said housing includes an actuating reservoir, said actuating end at least partially located within said actuating reservoir.  
   
   
       23 . A method of operating a pneumatic shooting device, comprising the steps of: 
 connecting said pneumatic shooting device to a pressurized source gas thereby pressurizing a pressure reservoir of an action;    loading a projectile into a barrel of said pneumatic shooting device;    actuating a trigger of said pneumatic shooting device;    moving a piston within a linear bearing body of said action;    releasing said piston from a discharge outlet in said housing; and    expelling a volume of a pressurized gas through said barrel thereby ejecting said projectile.