Muzzle loading rifle with breech plug having gas seal facility
AssigneeThompson Center Arms Company Inc.
InventorsMark Laney, Gene Garland
Life of this patent
Estimating the term…
Abstract
A muzzle loading firearm has a barrel with a bore on a bore axis, and the barrel has a muzzle end and a breech end. A frame is connected to the barrel, and has a breech face. The frame moves between an open position in which the breech face is away from the breech end of the barrel, and a closed position in which the breech face abuts the breech end of the barrel. A breech plug is removably attached to the barrel. The breech plug including a seal element closely received by the bore. The seal element may be a set of piston rings that are received in a circumferential groove about a forward end of the plug, or may be a cup at the forward end, with a forward rim that flares under pressure to provide a gas seal.
Claims18
A muzzle loading firearm comprising:
- a barrel with a bore defining a bore axis, and having a muzzle end and a breech end;
- a frame connected to the barrel, and movable between an open position and a closed position with respect to the barrel;
- a breech plug removably attached to the barrel;
- the breech plug including a seal element closely received by the bore.
Dependencies are inferred from the claim text.