Quick-release barrel firearm

Abstract

Firearms with improved systems and methods of attaching the barrels that can provide for quicker and easier replacement of the barrel. In particular embodiments, the attachment mechanism includes a door that opens to release the barrel from the receiver. In certain embodiments, the door is located on the firearm below the barrel, a latch releasably holds the door closed, the door is pivotably attached to the receiver at a first end of the door, the latch is at a second end of the door, the door includes a barrel clamp that contacts a flange at a rearward end of the barrel to secure the barrel to the receiver, a rotating cam in the door secures the barrel to the receiver, the barrel attaches to the receiver without screwing the barrel into the receiver and without screwing an attachment component onto threads on the receiver, or a combination thereof.

Description

RELATED PATENT APPLICATIONS[0001]This patent application claims priority to Provisional Patent Application No. 61 / 920,008, filed on Dec. 23, 2013, titled QUICK-RELEASE BARREL FIREARM, which has at least one inventor in common with the current patent application and the same assignee. The contents of this priority provisional patent application is incorporated herein by reference.FIELD OF THE INVENTION[0002]Various embodiments of this invention relate to firearms having removable barrels and methods of attaching barrels to firearms.BACKGROUND OF THE INVENTION[0003]Firearms have been used for several centuries for various purposes including as weapons for warfare, law enforcement, self defense, hunting, and target practice. Although many new weapons and weapon systems have been developed, firearms are still widely used and soldiers are trained in firearm use and carry firearms in essentially all armies throughout the world. Over time, firearms have been improved in many ways, but oppo...

AI Technical Summary

Benefits of technology

This invention provides firearms with better ways to attach and replace the barrel quickly and easily. This allows for quicker and easier replacement of the barrel, which can be useful in a variety of situations such as fighting firefights or shooting at targets. These improvements make the firearms more reliable, durable, adaptable, and easier to use and maintain. Additionally, the invention includes an adjustment system that prevents accidental rotation of the clamp adjusting screw and ensures proper reduction and alignment of the barrel. Overall, the invention makes firearms better and more convenient to use.

Problems solved by technology

Although these attachment mechanisms held the barrels adequately, they made removal and replacement of the barrel somewhat time consuming, particularly in a battlefield situation.

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