Nov 3, 2026

US12782073 - Storage and loading system for large caliber ammunition

A magazine for large ammunition includes a plurality of ammunition holders, with each ammunition holder being configured to operatively interface with a single round of ammunition. Each ammunition holder comprises an outer body, and an inner body configured to interface with the single round of ammunition. The inner body is transitional relative to the outer body between a first position and a second position, with the inner body extending out of the outer body as the inner body transitions from the first position toward the second position. The inner body is configured to release the single round of ammunition in response to the inner body being transitioned to the second position. The magazine additionally includes a plurality of links, with each link being coupled to a pair of the plurality of ammunition holders.

Assignee: Meggitt Defense Systems, Inc.
Inventors: Dino Yu, Derek Q. Young
Filing date: 2025-05-06

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The patent describes a magazine designed for large caliber ammunition, featuring multiple ammunition holders that can transition between positions to facilitate the loading and release of rounds. It includes a cam track system that allows for the simultaneous positioning of ammunition holders along different axes, creating a compact zig-zag arrangement to enhance ammunition storage and accessibility.

Claim 1

1 . A magazine for ammunition, the magazine comprising: a first magazine cam track; a second magazine cam track in spaced relation to the first magazine cam track; a plurality of ammunition holders coupled to the first and second magazine cam tracks, each ammunition holder being configured to operatively interface with a single round of ammunition, the plurality of ammunition holders being configured such that separate portions of the plurality of ammunition holders are concurrently positionable along respective first, second, and third axes, ammunition holders positioned along the first axis defining a linear portion of the magazine in which the ammunition holders are aligned along the first axis, and ammunition holders positioned along the second and third axes defining a folded zig-zag portion of the magazine in which every other ammunition holder is on an upper or lower portion of the folded zig-zag, each ammunition holder being configured to enable an ammunition round to be advanceable therethrough; a plurality of links, each link being connected to an adjacent pair of the plurality of ammunition holders; and a plurality of cam followers coupled to the plurality of links and configured to facilitate movement of the plurality of ammunition holders along the first magazine cam track and the second magazine cam track, the first magazine cam track and the second magazine cam track being configured to facilitate movement of a given adjacent pair of the plurality of ammunition holders from both being positioned along the first axis in the linear portion to one of the given adjacent pair being positioned along the second axis and the other of the given adjacent pair being positioned along the third axis in the folded zig-zag portion. a first magazine cam track; a second magazine cam track in spaced relation to the first magazine cam track; a plurality of ammunition holders coupled to the first and second magazine cam tracks, each ammunition holder being configured to operatively interface with a single round of ammunition, the plurality of ammunition holders being configured such that separate portions of the plurality of ammunition holders are concurrently positionable along respective first, second, and third axes, ammunition holders positioned along the first axis defining a linear portion of the magazine in which the ammunition holders are aligned along the first axis, and ammunition holders positioned along the second and third axes defining a folded zig-zag portion of the magazine in which every other ammunition holder is on an upper or lower portion of the folded zig-zag, each ammunition holder being configured to enable an ammunition round to be advanceable therethrough; a plurality of links, each link being connected to an adjacent pair of the plurality of ammunition holders; and a plurality of cam followers coupled to the plurality of links and configured to facilitate movement of the plurality of ammunition holders along the first magazine cam track and the second magazine cam track, the first magazine cam track and the second magazine cam track being configured to facilitate movement of a given adjacent pair of the plurality of ammunition holders from both being positioned along the first axis in the linear portion to one of the given adjacent pair being positioned along the second axis and the other of the given adjacent pair being positioned along the third axis in the folded zig-zag portion.

Google Patents

https://patents.google.com/patent/US12782073

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12782073