Ammunition magazine

Details Ammunition magazine Ammunition magazine

2009-01-15

2011-12-06

Johnson, Stephen M (Department: 3641)

Firearms

Breech loading

Magazines

C089S033100

Reexamination Certificate

active

08069601

ABSTRACT:
The present invention is an ammunition magazine, preferably made of a glass fiber reinforced polymer, utilizing a structurally enhancing ridge, angular guide rails and a follower made to interface with said guide rails to reduce wobble. The preferred embodiment also features a protective cover that distributes forces from the spring to more structurally sound areas of the magazine, thus reducing feed end splay, and an ammunition indication system comprised of at least one window and a noticeable marker on the follower spring. The follower and magazine casing are also designed to interface to prevent the follower from popping out of the feed end and the floor plate of the magazine utilizes a locking plate and sliding relationship between the floor plate, locking plate and magazine to secure the floor plate onto the magazine casing. The cover features built in tools for, among other things, unloading and disassembling the magazine.

REFERENCES:
patent: 3453762 (1969-07-01), Fremont
patent: 4589218 (1986-05-01), Teppa
patent: 5113605 (1992-05-01), Kim
patent: 5149897 (1992-09-01), Howard
patent: 5309660 (1994-05-01), Blackamore
patent: 5956878 (1999-09-01), Yang
patent: 7093386 (2006-08-01), Vieweg
patent: 7533483 (2009-05-01), Alzamora et al.
patent: 2010/0101132 (2010-04-01), Jacobson
patent: 2011/0005113 (2011-01-01), Fitzpatrick et al.

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