Patent ID: 6575074
Filing Date: 2003-06-10
Classification: F41A

Abstract:
A sound suppressor for a firearm, comprising:a cylindrical housing having a rear end cap attached to the housing and having means for mounting the sound suppressor to the muzzle of a firearm; a front end cap attached to the cylindrical housing and having a centrally positioned aperture; a baffle element positioned within the cylindrical housing and between the rear end cap and the front end cap, with the baffle element comprising a flat plate with an integral rearward-protruding cone, with the cone having an entrance aperture and an exit aperture, with the exit aperture being positioned on the front face of the flat plate, with the cone having an elongated aperture that extends from the entrance aperture of the cone toward the flat plate; an initial coaxial spacer element positioned between the rear end cap and the baffle element, the initial coaxial spacer element being smaller than an inner diameter of the cylindrical housing, and an outer dimension of the baffle element, the initial coaxial spacer element having at least one gas port and at least one notch at an edge of the spacer element, and whereby the initial coaxial spacer element is positioned over the cone portion of the baffle element, whereby an outer chamber is defined between the baffle element and the rear end cap and an outer surface of the initial coaxial spacer element, whereby an inner chamber is defined between the baffle element and the rear end cap and an inner surface of the initial coaxial spacer element; and a coaxial spacer element positioned between the front end cap and the baffle element, the coaxial spacer element being smaller than an inner dimension of the cylindrical housing and an outer dimension of the baffle element, the coaxial spacer element having at least one gas port and at least one notch at an edge of the coaxial spacer element, whereby an outer chamber is defined between the baffle element and the front end cap and an outer surface of the coaxial spacer element, whereby an inner chamber is defined between the baffle element and the front end cap and an inner surface of the coaxial spacer element.