Breech mechanism for automatic firearms

Details Breech mechanism for automatic firearms Breech mechanism for automatic firearms

1981-12-15

1984-04-03

Kelly, Donald G.

Ordnance

Automatic

Gas piston type

F41D 504

Patent

active

044400659

ABSTRACT:
A breech mechanism for automatic firearms having a high cadence; and, in particular, a rigidly closing breech mechanism which includes a gas piston effecting the opening thereof and which stands in communication with a sleeve, a coil spring concentrically positioned interiorly thereof which is stressed upon the opening of the breech mechanism and which will conduct a latching and unlatching component into its closing position upon release of the energy stored therein. The gas piston as well as the closure spring each have a shock absorber associated therewith. The shock absorbers essentially consist of loose, stacked discs, plates or the like of high rigidity and toughness, whose surfaces incorporate production-caused uneveness.

REFERENCES:
patent: 1233096 (1917-07-01), Martinez-Silva
patent: 1788279 (1931-01-01), Cutts
patent: 3318192 (1967-05-01), Miller
patent: 3517586 (1970-06-01), Stoner
patent: 4244273 (1981-01-01), Langendorfer

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