Automatic pistol with select fire mechanism

Details Automatic pistol with select fire mechanism Automatic pistol with select fire mechanism

1993-05-19

1994-10-18

Bentley, Stephen C.

Ordnance

Automatic

Firing device operation or control

89141, 89148, 89137, F41A 1938

Patent

active

053557689

ABSTRACT:
A select fire automatic pistol comprising: a frame; a slide with a breech-block in the rear which slides on the frame over the barrel to form a cartridge receiving chamber; a floating barrel in the slide having a cartridge receiving rear; a trigger safety lever for preventing the movement of the trigger to the activating position; a magazine drop safety to stop the trigger moving to the activated position when the magazine is not fully seated; a trigger bar connected to the trigger including an ledge for displacement of the firing pin backwards to the rear position; a firing pin including a foot on its rear for engagement with the trigger bar ledge and having a spring threadled on the rear of the firing pin for propelling same forward into the cartridge chamber to fire a cartridge and a spring threadled on the front of the firing pin urging same backwards to stop it entering the cartridge chamber if the pistol is dropped; an ejector plate to eject the empty shells, create a safety zone and stabilize the ledge of the trigger bar; an activating rod for engagement with the inclined edge of the trigger bar for displacement of the firing pin foot out of operative engagement with the trigger bar ledge when the trigger is moved into the activated position and to allow the trigger bar ledge to be lifted up into the path of the firing pin foot for engagement with the trigger bar ledge into the ready position; an extractor, to extract an empty cartridge, which automatically snap locks itself in its cavity in the breech-block; a select fire switch to select between semi-auto mode or the full-auto mode.

REFERENCES:
patent: 3678800 (1972-07-01), Seidel et al.
Webster's Seventh New Collegiate Dictionary, "breech", breechblock, 1963, p. 104.

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