US12366426 - Sound suppressor for a shotgun

The patent describes a sound suppressor designed specifically for shotguns, featuring an outer frame and an inner hollow body that allows for gas expansion after firing. The suppressor includes a barrel attachment mechanism that securely holds the device in place while the shotgun is in use.

Claim 1

1. A sound suppressor for a shotgun, comprising: an outer frame comprising a first end of the outer frame, a second end of the outer frame, a shot opening at the second end of the outer frame, a first surface, and a second surface; an inner hollow body comprising a casing, a first end of the inner hollow body, a second end of the inner hollow body, a first aperture, a second aperture, and a longitudinal mid-axis, and a plurality of openings extending through the casing; a gas expansion area located between the inner hollow body and the second surface; and a barrel attachment arrangement comprising a first attachment part, a second attachment part, and a moving arrangement; wherein the inner hollow body is arranged inside the outer frame such that the mid-axis is located nearer to the first surface than to the second surface, wherein the first end of the outer frame comprises a barrel opening configured for a barrel of the shotgun to be inserted into the outer frame through the barrel opening and attached to the inner hollow body, such that a longitudinal axis of the barrel and the mid-axis of the inner hollow body are parallel, and wherein the first attachment part is fixed to the outer frame and the second attachment part is configured to be moved, by the moving arrangement, in relation to the first attachment part to a position where the second attachment part is pressed against the barrel when the barrel is inserted into the outer frame, and wherein the barrel attachment arrangement is arranged between the barrel and the second surface, when the barrel is inserted into the outer frame. an outer frame comprising a first end of the outer frame, a second end of the outer frame, a shot opening at the second end of the outer frame, a first surface, and a second surface; an inner hollow body comprising a casing, a first end of the inner hollow body, a second end of the inner hollow body, a first aperture, a second aperture, and a longitudinal mid-axis, and a plurality of openings extending through the casing; a gas expansion area located between the inner hollow body and the second surface; and a barrel attachment arrangement comprising a first attachment part, a second attachment part, and a moving arrangement; wherein the inner hollow body is arranged inside the outer frame such that the mid-axis is located nearer to the first surface than to the second surface, wherein the first end of the outer frame comprises a barrel opening configured for a barrel of the shotgun to be inserted into the outer frame through the barrel opening and attached to the inner hollow body, such that a longitudinal axis of the barrel and the mid-axis of the inner hollow body are parallel, and wherein the first attachment part is fixed to the outer frame and the second attachment part is configured to be moved, by the moving arrangement, in relation to the first attachment part to a position where the second attachment part is pressed against the barrel when the barrel is inserted into the outer frame, and wherein the barrel attachment arrangement is arranged between the barrel and the second surface, when the barrel is inserted into the outer frame.

Google Patents

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USPTO PDF

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