Patent ID: 7694619

Claim:
A low lethality firearm comprising a launcher ( 12 ) for bullets, wherein the firearm comprises a device for regulating the speed of the bullet ( 13 ) and adapted for varying the speed of the bullet in the mouth of a barrel ( 16 ), said device for regulating the speed ( 13 ) comprising gas bleeding means ( 17 , 19 ) for bleeding gas from the inside of said barrel ( 16 ) of said launcher ( 12 ), wherein said gas bleeding means ( 17 , 19 ) can be divided, wherein said bleeding means comprise a bleeding surface ( 18 ) on said barrel ( 16 ) provided with a plurality of through holes ( 19 ) in said barrel ( 16 ) for bleeding gas from the inside of said barrel ( 16 ), wherein said bleeding surface ( 18 ) is coupled to a valve ( 17 ) mounted onto said barrel ( 16 ) wherein said valve ( 17 ) can be rotated continuously around the barrel and wherein said valve ( 17 ) comprises a closing surface ( 21 ) and a lowered surface ( 22 ), at the same end, wherein said valve ( 17 ) is adapted for closing or opening said holes ( 19 ).