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US 8,296,984 B2Granted
Spring enhanced buffer for a firearm
AssigneeAbrams Airborne Manufacturing, Inc.
InventorEric Stephen Kincel
Life of this patent
Estimating the term…
Abstract
A buffer for a firearm having a sleeve member having an open end and a closed end. A mass is contained within the sleeve member. This mass is chosen to meet the demands of the particular firearm. A bumper secures and seals the open end of said sleeve. A spring within the sleeve maintains the mass at a predetermined location when the buffer is in an at-rest position.
Claims14
A buffer for a firearm comprising:
- a) a sleeve member having an open end and a closed end, except for a collar thereon, said sleeve member having a uniform diameter;
- b) at least four weights contained within said sleeve member, at least one of said weights having a mass greater than the mass of another weight;
- c) a spring contained within said sleeve;
- and,
- d) a bumper secured to and sealing the open end of said sleeve member, an interior face of said bumper contains a recess;
- and,
- wherein,
- a first weight of said at least four weights contains a recess addressing the recess of said bumper;
- and,
- a first end of said spring is contained by the recess in the first weight and a second end of said spring is contained by the recess in the bumper.
7 more elements
A buffer for a firearm comprising:
- a) a sleeve member having an open end and a closed end;
- b) a mass contained within said sleeve member having recess therein;
- c) a spring contained within said sleeve;
- and,
- d) a bumper secured to and sealing the open end of said sleeve member, an interior face of said bumper contains a recess;
- and,
- wherein a first end of said spring is contained by the recess in the mass and a second end of said spring is contained by the recess in the bumper.
4 more elements
A buffer for a firearm comprising:
- a) a sleeve member having an open end and a closed end, except for a collar proximate to the closed end, said sleeve member having a uniform diameter;
- b) at least four weights contained within said sleeve member, at least one of said weights having a mass greater than the mass of another weight, a first weight containing a recess,
- c) a bumper secured to and sealing the open end of said sleeve member an interior face of said bumper containing a recess;
- and,
- d) a spring positioned to maintain, except during discharge of said firearm, said mass at one end of said sleeve, a first end of said spring is contained by the recess in the first weight and a second end of said spring is contained by the recess in the bumper.
2 more elements
Dependencies are inferred from the claim text.