The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 20, 2014
Filed:
Mar. 23, 2011
John L. Overstreet, Fayette, MO (US);
Charles C. Kelly, Kirksville, MO (US);
Jordan Bowles, Columbia, MO (US);
Tyson Bradshaw, Kirksville, MO (US);
Craig Pudil, Boonville, MO (US);
Taz B. Pfefer, Ashland, MO (US);
John L. Overstreet, Fayette, MO (US);
Charles C. Kelly, Kirksville, MO (US);
Jordan Bowles, Columbia, MO (US);
Tyson Bradshaw, Kirksville, MO (US);
Craig Pudil, Boonville, MO (US);
Taz B. Pfefer, Ashland, MO (US);
22 Evolution LLC, Columbia, MO (US);
Abstract
The present invention teaches an insert locking mechanism incorporated into a sub caliber action device, installable within an upper receiver of an AR-15 type firearm, and which interfaces with an upper receiver mounted forward assist for use with such as .22 caliber ammunition and in order to eliminate movement or play of the chamber insert adaptor associated with the substituted sub caliber action. The mechanism includes a generally cylindrical shaped body supported upon the action and exhibiting a plurality of radially projecting and circumferentially extending lugs which are configured to mate and seat within a plurality of grooves circumferentially arrayed within a barrel defined in the upper receiver.