US 12,467,718 B2
Fast zero adjusting turret for rifle scope
Xiaolin Miu, Nantong (CN)
Assigned to MIAO OPTICS CO., LTD, Nantong (CN)
Filed by MIAO OPTICS CO., LTD, Nantong (CN)
Filed on Jul. 12, 2023, as Appl. No. 18/220,939.
Application 18/220,939 is a continuation of application No. PCT/CN2022/105476, filed on Jul. 13, 2022.
Prior Publication US 2025/0012545 A1, Jan. 9, 2025
Int. Cl. F41G 1/38 (2006.01)
CPC F41G 1/38 (2013.01) 8 Claims
OG exemplary drawing
 
1. A fast zero adjusting turret for rifle scope, comprising:
a turret base (4) fixed on the scope, a rotatable adjusting knob (1) movably installed on the turret base (4), a central tube (5) vertically penetrating the middle of the bottom surface of the turret base (4), and a spline screw (6) that can linearly move up and down the central axis of the central tube (5);
wherein a spline dial (7) that can rotate with the adjusting knob (1) is arranged therein, a storing tube (8) connected to the spline screw (6) protrudes upward from the top surface of the spline dial (7), and threads connected to the spline screw (6) are arranged on the inner peripheral wall of the central tube (5);
a limit cam (29) fixed relatively to the turret base (4) and located above the spline dial (7) is further arranged inside the turret base (4), a height groove (22) is opened on the top surface of the limit cam (29), the height groove (22) is in spiral shape with multiple spiral turns, and the height of the height groove (22) with multiple spiral turns is decreased by an equal amount from inside to outside; a countersunk hole (30) opened on the limit cam (29) is connected to the bottom surface at the inner end of the height groove (22), an eccentric float is adhered to the top surface of the limit cam (29), the top end of which penetrates and extends to the top surface of the adjusting knob (1), a top reset spring (10) is movably installed on the eccentric float, on the bottom surface with eccentricity of which an eccentric rod (11) extending its bottom end to the height groove (22) and arranged in the countersunk hole (30) is vertically fixed.