Firearm Sound Suppressor

Abstract

A sound suppressor for a firearm includes a housing, a door, and a piston. The housing defines a longitudinal axis and includes a proximal end and a distal end opposite the proximal end. The distal end defines an exit opening. The longitudinal axis extends between the proximal end and the distal end and intersects the exit opening. The door is disposed within the housing and is moveable between an open position and a closed position. The longitudinal axis intersects the door in the closed position and bypasses the door in the open position. The piston is coupled to the housing and the door and is configured to move the door between the closed position and the open position.

What is claimed is: 
     
         1 . A sound suppressor for a firearm, the sound suppressor comprising:
 a housing defining a longitudinal axis and having a proximal end and a distal end opposite the proximal end, the distal end defining an exit opening, the longitudinal axis extending between the proximal end and the distal end and intersecting the exit opening;   a door disposed within the housing and moveable between an open position and a closed position, wherein the longitudinal axis intersects the door in the closed position and bypasses the door in the open position; and   a piston coupled to the housing and the door and configured to move the door between the closed position and the open position.   
     
     
         2 . The sound suppressor of  claim 1 , further comprising a cylinder, the piston translatably disposed within the cylinder, wherein the housing defines an aperture, and wherein the cylinder is at least partially disposed within the aperture. 
     
     
         3 . The sound suppressor of  claim 2 , wherein the cylinder includes an adjustment mechanism operable to modify a biasing force of the piston on the door. 
     
     
         4 . The sound suppressor of  claim 1 , wherein the door includes a receiver defining a channel, and wherein the piston is at least partially disposed within the channel. 
     
     
         5 . The sound suppressor of  claim 4 , wherein the receiver includes a first L-shaped bracket and a second L-shaped bracket, and wherein the piston defines a T-shaped construct at least partially disposed between the first L-shaped bracket and the second L-shaped bracket. 
     
     
         6 . The sound suppressor of  claim 4 , wherein the piston is translatably disposed within the channel. 
     
     
         7 . The sound suppressor of  claim 1 , wherein the door is pivotally coupled to the distal end of the housing. 
     
     
         8 . A sound suppressor for a firearm, the sound suppressor comprising:
 a housing defining a longitudinal axis and having a proximal end and a distal end opposite the proximal end, the distal end defining an exit opening, the longitudinal axis extending between the proximal end and the distal end and intersecting the exit opening; and   a first baffle disposed within the housing, the first baffle including a main body portion and a closure mechanism coupled to the main body portion and moveable relative to the main body portion between a closed position and an open position, the main body portion including a proximal end at least partially defining a first opening and a distal end at least partially defining a second opening, the closure mechanism including a proximal end at least partially defining the first opening in the closed position, and wherein the longitudinal axis intersects the closure mechanism in the open position.   
     
     
         9 . The sound suppressor of  claim 8 , wherein the closure mechanism at least partially covers the exit opening in the closed position. 
     
     
         10 . The sound suppressor of  claim 8 , wherein the closure mechanism is pivotally coupled to the main body portion proximate the second opening. 
     
     
         11 . The sound suppressor of  claim 8 , wherein at least one of the main body portion or the closure mechanism bias the closure mechanism from the closed position to the open position. 
     
     
         12 . The sound suppressor of  claim 11 , wherein the closure mechanism is biased into the open position. 
     
     
         13 . The sound suppressor of  claim 8 , further comprising a second baffle disposed within the housing between the first baffle and the proximal end of the housing, the second baffle defining a plurality of apertures. 
     
     
         14 . The sound suppressor of  claim 8 , wherein the main body portion includes a first concave inner surface and the closure mechanism includes a second concave inner surface, and wherein the first concave inner surface and the second concave inner surface collectively define a parabolic shape. 
     
     
         15 . A baffle for a sound suppressor, the baffle defining a proximal opening and a distal opening and disposed about a longitudinal axis extending through the proximal opening and the distal opening, the baffle comprising:
 a main body portion having a first concave inner surface and a first convex outer surface; and   a closure mechanism coupled to the main body portion and moveable relative to the main body portion between a closed position and an open position, wherein the longitudinal axis intersects the closure mechanism in the closed position.   
     
     
         16 . The sound suppressor of  claim 15 , wherein the main body portion and the closure mechanism collectively define the proximal opening and the distal opening. 
     
     
         17 . The sound suppressor of  claim 15 , wherein the longitudinal axis intersects the proximal opening and the distal opening. 
     
     
         18 . The sound suppressor of  claim 15 , wherein the closure mechanism includes a second concave inner surface and a second convex outer surface. 
     
     
         19 . The sound suppressor of  claim 18 , wherein the first concave inner surface and the second concave inner surface collectively define a parabolic shape. 
     
     
         20 . The sound suppressor of  claim 15 , wherein the closure mechanism is pivotally coupled to the main body portion proximate the distal opening.