Safety device for automatic firearms

Details Safety device for automatic firearms Safety device for automatic firearms

1986-10-06

1988-03-15

Bentley, Stephen C.

Ordnance

Automatic

Firing device operation or control

89 4203, F41D 1102

Patent

active

047305380

ABSTRACT:
A safety device for an automatic weapon such as a submachine gun, comprises a safety catch in addition to the sear. The safety catch is mounted for limited longitudinal movement and for vertical swinging movement on the weapon. A spring urges it continuously rearwardly; and in its rearmost depressed position, it is held depressed beneath a detent. The breech block has a triggering hook at its rear end, that releases the safety catch and moves it forwardly against the spring action, toward the end of a firing stroke of the breech block. The safety catch is depressed by a cam surface on the breech block, to the extent that the spring can pull it beneath the detent, only at the rearmost portion of the travel of the breech block, when the sear locks the breech block against unintended forward motion. The breech block has intermediate notches, between that rearmost hook and the cam, which will be engaged by the raised safety catch if the rearward motion of the breech block is incomplete.

REFERENCES:
patent: 2356727 (1944-08-01), Reising

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