Locking device for the breech of an automatic weapon

Details Locking device for the breech of an automatic weapon Locking device for the breech of an automatic weapon

1991-10-21

1992-08-18

Bentley, Stephen C.

Ordnance

Machine guns

Axially moving breech block

8918701, F41A 710

Patent

active

051389304

ABSTRACT:
The invention relates to a locking device for the breech of an automatic weapon in which the longitudinal movement of the breech (4) is generated by a rotating drum (1) driven by an external motor.
It comprises a locking wedge (6) that moves under the effect of a cam (10) rotated in synchronization with the drum, between a retracted position that allows the free passage of the breech, and a locking position in which the limit surfaces (7,8) working in conjunction on the breech and on the wedge lock the breech in the closed position.

REFERENCES:
patent: 1425809 (1922-08-01), Thompson
patent: 4683799 (1987-08-01), Post et al.
patent: 4699040 (1987-10-01), Menges
patent: 4807513 (1989-02-01), Post et al.

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