Apr 22, 2025

US12281877 - Firearm accessory mounting assembly, firearm containing the same, and method of attachment

A quick-attachment/quick-release firearm accessory mounting assembly releasably and rotatably attached to a firearm rail, chassis, or handgun slide to receive any of a number of different accessories, such as, a telescopic sight, reflector sight, laser sight, night vision sight, thermal scope, range finder, and other secondary instruments. The mounting assembly is in the form of an adaptor plate having attachment structures for receiving the accessory on a top surface, and securing to the firearm structure on a bottom surface. The firearm is modified to receive the adaptor plate, the firearm frame having a recess portion with a center protrusion in rotatable communication with a center aperture in the adaptor plate, and having grooves or slots formed at each end of the recess portion to receive flanges at each end of the adaptor plate upon rotation.

Assignee: Muniec Arms LLC
Inventors: Gerald Renaud, Wayne Tetrault
Filing date: 2023-07-11

firearmaccessorymountingassembly

The patent describes a quick-attachment/quick-release mounting assembly for firearm accessories that allows for rotatable attachment to various firearm structures, including rails and slides. This assembly features an adaptor plate with specific apertures and flanges designed to securely hold accessories while enabling easy rotation and attachment to the firearm.

Claim 1

A rotatable accessory mounting assembly for rotatably mounting a firearm accessory to a firearm body, said mounting assembly comprising: an adaptor plate having a top surface, a bottom surface, longitudinal sides, lateral sides shorter than said longitudinal sides, said adaptor plate including: at least one locator stud aperture dimensioned for receiving a locator stud or mounting post; a center aperture for providing a pivot location for said adaptor plate about which the adaptor plate is configured to rotate to be attached to the firearm, said center aperture located adjacent said at least one locator stud aperture, and approximately centered about said adaptor plate; an annular recess concentric with said center aperture, and larger in diameter than said center aperture, said annular recess dimensioned to receive an O-ring; a forward facing flange forming one edge of said adaptor plate; and a breech facing flange forming an opposite edge of said adaptor plate. an adaptor plate having a top surface, a bottom surface, longitudinal sides, lateral sides shorter than said longitudinal sides, said adaptor plate including: at least one locator stud aperture dimensioned for receiving a locator stud or mounting post; a center aperture for providing a pivot location for said adaptor plate about which the adaptor plate is configured to rotate to be attached to the firearm, said center aperture located adjacent said at least one locator stud aperture, and approximately centered about said adaptor plate; an annular recess concentric with said center aperture, and larger in diameter than said center aperture, said annular recess dimensioned to receive an O-ring; a forward facing flange forming one edge of said adaptor plate; and a breech facing flange forming an opposite edge of said adaptor plate.

Google Patents

https://patents.google.com/patent/US12281877

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12281877