US 11,105,570 B2
Bolt for bolt action rifles
Jonathan Philip Mather, Grafton, NH (US)
Assigned to STURM, RUGER & COMPANY, INC.
Filed by Sturm, Ruger & Company, Inc., Southport, CT (US)
Filed on Oct. 23, 2019, as Appl. No. 16/661,304.
Application 16/661,304 is a continuation of application No. 15/846,802, filed on Dec. 19, 2017, granted, now 10,458,731.
Application 15/846,802 is a continuation of application No. 15/052,948, filed on Feb. 25, 2016, granted, now 9,885,528, issued on Feb. 6, 2018.
Claims priority of provisional application 62/121,167, filed on Feb. 26, 2015.
Prior Publication US 2020/0064089 A1, Feb. 27, 2020
Int. Cl. F41A 3/22 (2006.01); F41A 3/30 (2006.01); F41A 9/41 (2006.01)
CPC F41A 3/22 (2013.01) [F41A 3/30 (2013.01); F41A 9/41 (2013.01)] 44 Claims
OG exemplary drawing
 
1. A firearm with bolt assembly, the firearm comprising:
a longitudinal axis;
a magazine well;
a receiver defining a longitudinally extending cavity in communication with the magazine well;
a barrel supported by the receiver and including a rear end and a front end;
an ammunition magazine removably supported by the magazine well, the magazine including a pair of feed lips for retaining a plurality of cartridges in the magazine; and
a manually rotatable bolt disposed in the cavity of the receiver, the bolt movable forward to a closed breech position in battery with the barrel and rearward to an open breech position spaced apart from the barrel, the bolt including:
a bolt body including a longitudinal centerline, front section, rear section, and middle section extending therebetween;
the middle section being positioned over the feed lips of the magazine when the bolt is in the closed position;
a bolt head rigidly disposed on and extending forwardly from the front section of bolt body, the bolt head comprising a plurality of radial bolt lugs which are non-rotatable relative to the front section;
the middle section of the bolt body having a dimensionally reduced configuration comprising a recessed area positionable over and receiving a portion the feed lips of the magazine when the bolt is in the closed breech position to allow the bolt body to be rotated between locked and unlocked breech positions without interference from the feed lips;
wherein the recessed area comprises a downwardly open portion and at least one contiguous laterally open portion extending substantially above the longitudinal centerline of the bolt body.