US 12,222,186 B2
Firearm stock with cheek riser and methods
Mark J. Keller, Dayton, OH (US); and Gabrielle M. Jackson, Kettering, OH (US)
Assigned to B5 SYSTEMS, INC., Xenia, OH (US)
Filed by B5 Systems, Inc., Xenia, OH (US)
Filed on Oct. 26, 2022, as Appl. No. 17/974,431.
Claims priority of provisional application 63/272,003, filed on Oct. 26, 2021.
Prior Publication US 2023/0127332 A1, Apr. 27, 2023
Int. Cl. F41C 23/14 (2006.01)
CPC F41C 23/14 (2013.01) 26 Claims
OG exemplary drawing
 
1. A firearm stock system, comprising:
a stock;
a firearm frame member positionally adjustable to the stock;
a bottom plate disposed in connection with the stock;
a first rod rigidly connected with the bottom plate, the first rod axially aligning the bottom plate to the stock when the bottom plate is moved from a collapsed position to an expanded position or from an expanded position to a collapsed position;
a second rod rigidly connected with the bottom plate;
a guide block axially aligned with the second rod, wherein the guide block is configured to guide the second rod to a bore of a plurality of frame member bores as the bottom plate moves from the expanded position to the collapsed position; and
a first spring axially aligned with one of the first rod or the second rod, the first spring configured to bias the bottom plate to the collapsed position.
 
8. A firearm stock system comprising:
a cheek riser;
a riser mechanism attached to the cheek riser, wherein the riser mechanism comprises a plurality of apertures configured to adjust the cheek riser from a first position to a second position; and
a button mechanism coupled to a pin and configured to actuate a movement of the riser mechanism;
wherein the riser mechanism includes a first aperture that engages the pin; and
wherein the pin comprises a first set of wings configured to lock into a second aperture position from a first aperture position of the plurality of apertures during actuation of the button mechanism.
 
18. An adjustable firearm stock system comprising:
a stock;
a firearm frame member positionally adjustable to the stock;
a bottom plate disposed in connection with the stock;
a first rod rigidly connected with the bottom plate, the first rod axially aligning the bottom plate to the stock when the bottom plate is moved from a collapsed position to an expanded position or from an expanded position to a collapsed position;
a second rod rigidly connected with the bottom plate;
a guide block axially aligned with the second rod, wherein the guide block is configured to guide the second rod to a bore of a plurality of frame member bores as the bottom plate moves from the expanded position to the collapsed position;
a first spring axially aligned with one of the first rod or the second rod, the first spring configured to bias the bottom plate to the collapsed position;
a cheek riser; and
a riser mechanism attached to the cheek riser, wherein the riser mechanism comprises a plurality of apertures configured to adjust the cheek riser from a first position to a second position; and
a button mechanism coupled to a pin and configured to actuate a movement of the riser mechanism;
wherein the riser mechanism includes a first aperture that engages the pin; and
wherein the pin comprises a first set of wings configured to lock into a second aperture position from a first aperture position of the plurality of apertures during actuation of the button mechanism.