US 11,940,238 B2
Cam slot for firearm
Frank Robinson, Schwenksville, PA (US); and William Geissele, Lower Gwynedd, PA (US)
Assigned to WHG PROPERTIES, LLC, North Wales, PA (US)
Filed by WHG Properties, LLC, North Wales, PA (US)
Filed on Jul. 7, 2022, as Appl. No. 17/859,381.
Prior Publication US 2024/0011727 A1, Jan. 11, 2024
Int. Cl. F41A 3/66 (2006.01); F41A 3/26 (2006.01)
CPC F41A 3/66 (2013.01) [F41A 3/26 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A bolt carrier for a firearm, the bolt carrier defining:
a cam slot configured to receive a cam pin of a bolt, the cam slot being defined between an interior of the bolt carrier and an exterior of the bolt carrier,
wherein the interior of the bolt carrier is configured to receive at least a portion of the bolt therein and to permit the bolt to translate along and rotate about a first axis of the bolt carrier,
wherein the cam slot is configured to constrain the translation and rotation of the bolt, the cam slot defining a cam path along which the cam pin is configured to travel, the cam path comprising a locked dwell, an unlocked dwell, and a transition section disposed between the locked dwell and the unlocked dwell,
wherein an axial length of the transition section is consistent with a standard transition section of an AR15 or M16 Technical Data Package, and
wherein the locked dwell defines a portion parallel to the first axis that is greater than inches long.