Roller delayed firearm operating system
OwnerJames Matthew Underwood, Larry Cullen Underwoodinventors
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Abstract
An operating system for a firearm includes a forward bolt includes a forward bolt cavity, a carrier disposed on a rear side of the forward bolt, the carrier including a carrier cavity, a short cam pin including (i) a forward section that is at least partially disposed within the forward bolt cavity and (ii) a rear section that is at least partially disposed within the carrier cavity, a plurality of bearings that interface with the forward bolt, a retracted configuration where the short cam pin is in a rear position relative to the forward bolt, and a deployed configuration where the short cam pin is in a forward position relative to the forward bolt.
Claims20
A firearm operating system configured for a semi-automatic firearm, the firearm operating system comprising:
- a bolt;
- a plurality of bearings disposed at least partially within the bolt;
- a carrier disposed on a rear side of the bolt;
- and
- a cam pin, wherein:
- the bolt is configured to move in a forward/aft direction relative to the carrier;
- and
- the cam pin comprises a plurality of surfaces that each correspond to one of the plurality of bearings.
A firearm operating system for a semi-automatic firearm, the firearm operating system comprising:
- a bolt;
- a plurality of bearings disposed at least partially within the bolt;
- and
- a plurality of forward surfaces that each corresponds to one of the plurality of bearings, wherein:
- the bolt is configured to move in a forward/aft direction relative to other components of the firearm operating system;
- and
- movement of the bolt causes the plurality of bearings to move relative to the bolt such that the firearm operating system moves;
- and
- each of the forward surfaces is not perpendicular relative to a forward/aft direction of the firearm operating system.
Dependencies are inferred from the claim text.