Firearms with external motor

Details Firearms with external motor Firearms with external motor

1977-11-25

1979-05-15

Brown, David H.

Ordnance

Machine guns

Axially moving breech block

F41F 1100

Patent

active

041541430

ABSTRACT:
This disclosure relates to an automatic weapon having a breech mechanism driven in reciprocation by an external motor and equipped with a device to keep the breech mechanism from moving from the advanced or forward locked position in case of a hangfire. If a "shot departure" sensor fails to sense the departure of a shot a spring projects bolts into the path of the breech mechanism and locks it at the start of its recoil stroke.

REFERENCES:
patent: 1786207 (1930-12-01), Hudson
patent: 3241448 (1966-03-01), Rocha
patent: 3648561 (1972-03-01), Stoner
patent: 3800657 (1974-04-01), Broxholm et al.

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