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US 7,717,024 B2Granted
Over riding chamber impulse average weapon
AssigneeGeneral Dynamics Armament and Technical Products, Inc.
InventorsDavid L. Steimke, Parke R. Warner
Life of this patent
Estimating the term…
Abstract
A recoil-operated, impulse averaging, air-cooled, magazine-fed, automatic weapon. An operating group of the weapon includes a chamber, a bolt, a barrel extension and one or more toggles. The recoil action of the weapon from firing a first round drives the toggles in a motion constrained by a cam way. The toggles then drive the chamber in a linear reciprocating motion ejecting a first round and over-riding the next round. An impulse averaging system controls the speed of the recoil.
Claims7
A recoil operated firearm comprising:
- a barrel having a longitudinal bore axis;
- a bolt being collinear with the bore axis;
- a chamber comprising a ammunition-holding cavity formed therethrough, the ammunition-holding cavity having a longitudinal axis collinear with the bore axis;
- the chamber being adapted for linear movement between a charged position and a firing position,
- wherein the linear chamber movement is relative to the barrel and collinear with the bore axis,
- wherein, when in the chamber charged position:
- the chamber is positioned rearward end of the barrel,
- the forward end of the chamber is spaced a distance away from the rearward of the end of the barrel, and
- the chamber overrides at least a portion of the bolt such that the bolt occupies at least a portion of the ammunition-holding cavity;
- and
- wherein, when in the chamber firing position:
- a forward surface of the chamber sealingly contacts a rearward surface of the barrel, and
- a forward end of the bolt sealingly contacts a rearward end of the chamber.
10 more elements
Dependencies are inferred from the claim text.