Feed tower mounted leaf springs for magazines
US-12516900-B2 · Jan 6, 2026 · US
Drum magazine assembly and methods
US9528784B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9528784-B2 |
| Application number | US-201514882151-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 13, 2015 |
| Priority date | Oct 14, 2014 |
| Publication date | Dec 27, 2016 |
| Grant date | Dec 27, 2016 |
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Abstract
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A drum magazine assembly and methods are described. A drum assembly has a follower assembly, a drum body, a spring assembly, and a feed tower assembly. The follower assembly biases cartridges towards an exit of the feed tower assembly. The follower assembly has a plurality of dummy cartridges, the plurality of dummy cartridges having a leading dummy cartridge and a last dummy cartridge, and a plurality of links including a leading link and a last link. The last dummy cartridge rotates relative to the last link and the leading link, and the leading dummy cartridge has a bolt catch engagement feature.
First claim
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What is claimed is: 1. A drum magazine assembly comprising: a follower assembly; a drum body; a spring assembly; and a feed tower assembly; wherein the follower assembly comprises a plurality of dummy cartridges comprising a leading dummy cartridge associated with a distal end of the follower assembly and a last dummy cartridge associated with a proximal end of the follower assembly, and a plurality of links comprising a leading link and a last link; the last dummy cartr…
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Frequently asked questions
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- What does patent US9528784B2 cover?
- A drum magazine assembly and methods are described. A drum assembly has a follower assembly, a drum body, a spring assembly, and a feed tower assembly. The follower assembly biases cartridges towards an exit of the feed tower assembly. The follower assembly has a plurality of dummy cartridges, the plurality of dummy cartridges having a leading dummy cartridge and a last dummy cartridge, and a p…
- Who is the assignee on this patent?
- Magpul Ind Corp
- What technology area does this patent fall under?
- Primary CPC classification F41A9/75. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Dec 27 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).