US 11,988,479 B1
Bolt carrier movement mechanism providing primary extraction force multiplication, firearms comprising same, kits for constructing firearms comprising same, and bolt carrier groups for enabling same
Geoffrey A. Herring, Melbourne, FL (US)
Assigned to Ares Defense Systems, Inc., Melbourne, FL (US)
Filed by Ares Defense Systems, Inc., Melbourne, FL (US)
Filed on Sep. 13, 2023, as Appl. No. 18/466,618.
Int. Cl. F41A 15/14 (2006.01); F41A 3/26 (2006.01); F41A 3/66 (2006.01); F41A 3/72 (2006.01); F41A 5/18 (2006.01); F41A 35/06 (2006.01)
CPC F41A 3/26 (2013.01) [F41A 3/66 (2013.01); F41A 3/72 (2013.01); F41A 5/18 (2013.01); F41A 15/14 (2013.01); F41A 35/06 (2013.01)] 30 Claims
OG exemplary drawing
 
1. A firearm bolt carrier movement mechanism, comprising:
a bolt carrier;
an impingement body having at least one impingement surface;
a primary extraction leverage member having a coupler mounting portion, an impingement member portion, and a bolt carrier mounting portion, wherein the primary extraction leverage member is engaged at the bolt carrier mounting portion thereof with the bolt carrier for enabling the primary extraction leverage member to pivot about a pivot axis extending through the bolt carrier mounting portion, wherein the impingement member portion of the primary extraction leverage member is adjacent to the at least one impingement surface of the impingement body and includes at least one impingement member; and
an action control structure coupler engaged with the coupler mounting portion of the primary extraction leverage member.