US 11,656,057 B2
Butt stock for handgun
Amit Levi, Moshav Gea (IL)
Appl. No. 17/417,426
Filed by Amit Levi, Moshav Gea (IL)
PCT Filed Dec. 25, 2019, PCT No. PCT/IB2019/061356
§ 371(c)(1), (2) Date Jun. 23, 2021,
PCT Pub. No. WO2020/136594, PCT Pub. Date Jul. 2, 2020.
Claims priority of application No. 263981 (IL), filed on Dec. 26, 2018.
Prior Publication US 2022/0074702 A1, Mar. 10, 2022
Int. Cl. F41C 23/12 (2006.01); F41C 23/04 (2006.01); F41C 23/14 (2006.01)
CPC F41C 23/12 (2013.01) [F41C 23/04 (2013.01); F41C 23/14 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A butt stock reversibly attachable to a handgun, comprising:
a. a telescopic assembly, comprising:
a telescoping axis comprising at least two telescopic components:
a proximal bar constituting a proximal portion of said telescopic assembly, and
a distal bar physically associated with said proximal bar to telescope relative to said proximal bar in the direction of said telescoping axis,
and, an adaptor attached to said distal bar, said adaptor configured for reversibly attaching the butt stock to a handgun;
b. a quadrilateral assembly comprising:
a proximal bar,
a butt,
a first hinge movably connecting said butt to said proximal bar,
a cheek rest,
a second hinge movably connecting said cheek rest to said butt,
a locking bar,
a third hinge movably connecting said locking bar to said cheek rest,
a fourth hinge movably connecting said locking bar to said proximal bar,
a butt axis passing through the rotation axis of said first hinge and said second hinge;
said quadrilateral assembly constituting a planar quadrilateral four-bar linkage;
the butt stock having at least two states:
i. a deployed state wherein said telescopic assembly is in an extended conformation and said quadrilateral assembly is in an open position,
ii. a compact state wherein said telescopic assembly is in a contracted conformation and said quadrilateral assembly is in a closed position,
wherein when the butt stock is in said deployed state and attached to a handgun, said cheek rest is configured to serve as a contact point for a cheek of the user of the handgun and said butt is configured to serve as a contact point for a shoulder of the user of the handgun.