Double-feed sprocket arrangement for munition changing in automa

Details Double-feed sprocket arrangement for munition changing in automa Double-feed sprocket arrangement for munition changing in automa

1978-12-26

1980-09-23

Nelson, Peter A.

Ordnance

Cartridge feeding

With magazine

89 33CA, F41D 1016

Patent

active

042235898

ABSTRACT:
An improved double-feed arrangement for introducing munition shells into the breech of an automatic weapon such as a machine gun. The double-feed arrangement includes a housing having two munition belt inlet openings and two munition belt outlet openings respectively equidistantly disposed from the longitudinal axis of the automatic weapon. A pair of hollow transport shafts rotatable in said housing and adapted to be selectively driven by a driving mechanism which can be energized by the recoil of the automatic weapon. A sprocket wheel having a plurality of equidistantly spaced shell receiving seats is mounted on each hollow transport shaft. The sprocket wheels are adapted to normally rotate in mutually opposite directions in a stepwise manner except when a selective switching from one feed to the other feed if effected, whereby a rotational step is imparted on both feeds by the driving mechanism via switching mechanisms to effect a rotation in the same direction. The shell of a first type is then moved from a firing chamber introducing position to a waiting position while the shells of a second type are now stepwise fed into the firing chamber introducing position by the other feed.

REFERENCES:
patent: 2851927 (1958-09-01), Smith
patent: 3227787 (1966-10-01), Brieger
patent: 3611869 (1971-10-01), Hupp
patent: 3662646 (1972-05-01), O'Brien et al.
patent: 4015511 (1977-04-01), Folsom et al.
patent: 4069740 (1978-01-01), Hottinger et al.
patent: 4119012 (1978-10-01), Frye

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