Beltfeeder for an automatic gas pressure loaded weapon in partic

Details Beltfeeder for an automatic gas pressure loaded weapon in partic Beltfeeder for an automatic gas pressure loaded weapon in partic

1982-05-04

1990-06-12

Bentley, Stephen C.

Ordnance

Cartridge feeding

Selective feed

89 3325, F41D 1032

Patent

active

049323075

ABSTRACT:
An ammunition belt feeding device for a machine cannon is driven by branched off gas via a gas piston cartridges are alternatively fed by two transport wheels from two sides into a loading chamber of the machine cannon. Two feed star sprocket wheels are operatively connected to two feed shafts rotatably mounted in a housing of the weapon and operatively engage the ammunition belts fed from two sides so as to alternatively feed from each ammunition belt into the loading chamber. A pair of locking pawls in the form of two-armed levers are pivotally mounted in the housing of the weapon and coact with the pair of sprocket wheels. In a first embodiment of the invention a coil spring for each locking pawl is operatively connected to one arm of the two-armed lever so as to urge to other arm towards the sprocket wheel. In both embodiments of invention a pinion wheel having a cam surface is also coaxially mounted on each feed shaft and its cam surface coacts with the other arm of the two-armed lever. In the first embodiment a control pin for each pinion wheel is slidably mounted in the housing of the weapon and is disposed between the pinion wheel and the other arm of the two-armed lever. In the second embodiment of the invention the cam surface of the pinion wheel and the two-armed lever are constructed so that the coil spring and control arm can be dispensed with.

REFERENCES:
patent: 2375219 (1945-05-01), Gentry et al.
patent: 3650175 (1972-03-01), Colby
patent: 4273025 (1981-06-01), Bremer et al.
patent: 4416185 (1983-11-01), Schenk

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