Cartridge magazine and method for increasing number of stored ca

Firearms – Breech loading – Magazines

Patent

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Details

42 7, F41C 2502

Patent

active

048115100

ABSTRACT:
A firearm cartridge magazine which holds a larger number of cartridges than corresponding magazines of existing design but without changes in the external size of the magazine is provided. A spring for moving the follower is run out of attenuated when the follower is in the lowest position so that, in the lowest follower position, the spring extends below the follower a distance less than about the diameter of a cartridge, and preferably about one thickness of the follower spring. A device for storing energy is provided to assist in lifting the follower from the lowermost position. Preferably, the device for storing energy is in the form of one or more follower legs which are spring-urged towards an unfolded or extended position. Preferably, the legs themselves are resilient so as to form leaf-type springs. When the follower is moved to the lowest position, energy is stored by folding or compressing the spring-loaded legs. Because of the folding or compression of the follower legs, the follower requires less volume in its lowermost position which further assists in accommodating additional cartridges.

REFERENCES:
patent: 283122 (1883-08-01), Lewis
patent: 303992 (1884-08-01), Diss
patent: 304008 (1884-08-01), Krug
patent: 313856 (1885-03-01), Diss
patent: 431410 (1890-07-01), Speed
patent: 562455 (1896-06-01), Bye
patent: 1200685 (1916-10-01), Young
patent: 2777235 (1957-01-01), Hopkins
patent: 2828568 (1958-04-01), Sakewitz
patent: 4343107 (1982-08-01), Kaltenegger
patent: 4446645 (1984-05-01), Kelsey, Jr. et al.
patent: 4509283 (1985-04-01), Chesnut

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