DRS Consolidated Controls Danbury, CT Jun 2010 to Mar 2012 Senior Mechanical DesignerColt Defense LLC West Hartford, CT May 2009 to May 2010 Designer EngineerDRS Consolidated Controls Danbury, CT Oct 2006 to May 2009 Senior Mechanical DesignerUnited Technologies Fuel Cells South Windsor, CT Jul 2006 to Oct 2006 Senior DesignerStryker Orthopedics Mahwah, NJ Jul 2005 to Jul 2006 Senior Mechanical DesignerHoneywell Fire Protection Systems Northford, CT Dec 2004 to Jun 2005 Senior Mechanical DesignerColt Defense LLC West Hartford, CT Mar 2004 to Dec 2004 Designer EngineerUnited Technologies Fuel Cells South Windsor, CT Apr 2002 to Feb 2004 Contract Position Senior DesignerIngersoll-Rand Torrington, CT Jul 2001 to Apr 2002 Machinery DesignerEmhart Glass Windsor, CT Feb 2001 to May 2001 Mechanical DesignerEaton Corp Danbury, CT Nov 1999 to Jan 2001 Mechanical DesignerEaton Corp
2000 to 2000 Pro-engineer 20, 2000IHamilton Sunstrand Windsor Locks, CT Mar 1999 to Nov 1999 Senior DesignerEaton Corp Danbury, CT Jan 1999 to Mar 1999 Mechanical DesignerIngersoll-Rand Torrington, CT Sep 1998 to Jan 1999 Mechanical DesignerColts Mfg. Co West Hartford, CT Jan 1991 to Sep 1998 Senior Product Designer
Paul Hochstrate - Plantsville CT, US Laurance Robbins - Plainville CT, US Arthur F. Daigle - Plymouth CT, US
Assignee:
Colt Defense LLC - West Hartford CT
International Classification:
F41A 21/00
US Classification:
42 7501, 42 7502, 42 7503
Abstract:
An M-4 firearm having a lower receiver assembly and an upper receiver assembly. The upper receiver assembly is connected to the lower receiver assembly. The lower receiver assembly has a fire control assembly. The upper receiver assembly has a barrel and a hand guard. The hand guard has a venting features for allowing cooling air to pass therethrough. The hand guard has a heat shield mounted therein. The hand guard has at least one peripheral device mounting rail. The hand guard has an upper portion and a removable lower portion. The removable lower portion has at least one peripheral device mounting rail. The removable lower portion may be removed and replaced with a different second removable lower portion without the removal of fasteners.
Paul Hochstrate - Plantsville CT, US Laurance Robbins - Plainville CT, US Arthur F. Daigle - Plymouth CT, US
Assignee:
Colt Defense LLC - West Hartford CT
International Classification:
F41A 5/20
US Classification:
89193, 8919101, 8919102, 89192, 89194, 89 45
Abstract:
An indirect gas operating system for an M4 type automatic or semi-automatic firearm. The indirect gas operating system has a gas block having a cylinder. The gas block is fitted to a barrel assembly having a bore with the cylinder in communication with the bore. A piston having a piston end and a striking end has the piston end fitted to the cylinder. A bolt assembly having a striking surface is provided. When a cartridge is fired, gas displaces the piston end and causes the striking end to strike the striking surface displacing the bolt assembly. The cylinder and the piston are together removable as an assembly from the firearm without removal of the gas block.
A semi-automatic or automatic rifle is provided. The semi-automatic or automatic rifle includes a receiver having an integral hand guard portion, a barrel having a bore. The bore is removably connected to the receiver, the hand guard portion extending over and surrounding the barrel, an indirect gas operating system has a gas block and a piston. The gas block has a cylinder, the gas block is fitted to the barrel, the cylinder is in communication with the bore. The piston has a piston end and a striking end, the piston end is fitted to the cylinder and has a bolt carrier having a striking surface. When a cartridge is fired, gas displaces the piston end and causes the striking end to strike the striking surface displacing the bolt assembly, wherein, the cylinder and the piston are together removable as an assembly from the firearm without disassembly of the rifle.
Paul Hochstrate - Plantsville CT, US Laurance Robbins - Plainville CT, US Arthur F. Daigle - Plymouth CT, US
Assignee:
Colt Defense, LLC - Hartford CT
International Classification:
F41A 21/00
US Classification:
42 7501, 42 751, 42 7502, 42 7503
Abstract:
A rifle having a receiver with an integral hand guard and a barrel. The barrel is connected to the receiver. The hand guard extends over and surrounds the barrel. A removable hand guard is attached to the receiver by an attachment that stably holds the removable hand guard to the receiver. The attachment is arranged for allowing detachment and removal of the removable hand guard from the receiver without removal of fasteners.
A semi-automatic or automatic rifle is provided the rifle having: a receiver having a hand guard portion; a barrel having a bore, the bore removably connected to the receiver, the hand guard portion surrounding at least a portion of the barrel; a gas block having a forward end and a rearward end aligned with the barrel; a sleeve removably secured to the forward end of the gas block; a piston slidably received within the gas block, wherein the gas block and the sleeve fluidly couple the piston to the bore of the barrel; wherein an increase in pressure in the bore of the barrel causes the piston to move away from the sleeve; and wherein the sleeve and the piston are each capable of being removed from the rifle through the forward end of the gas block without removing the gas block from the rifle.
An indirect gas operating system for a semi-automatic or automatic rifle is provided, the indirect gas operating system having: a sleeve removably secured to a forward end of a gas block of the rifle; a piston slidably received within the gas block, wherein the gas block and the sleeve fluidly couple the piston to a bore of a barrel of the rifle; wherein an increase in pressure in the bore of the rifle causes the piston to move away from the sleeve; and wherein the sleeve and the piston are each capable of being removed from the rifle through the forward end of the gas block.
A rifle having a receiver with an integral hand guard and a barrel. The barrel is connected to the receiver. The hand guard extends over and surrounds the barrel. A removable hand guard is attached to the receiver by an attachment that stably holds the removable hand guard to the receiver. The attachment is arranged for allowing detachment and removal of the removable hand guard from the receiver without removal of fasteners.