Firearms – Safety mechanism – Magazine operated
Patent
1994-08-19
1995-08-08
Johnson, Stephen M.
Firearms
Safety mechanism
Magazine operated
42 7008, 42 7005, F41A 1736
Patent
active
054387841
ABSTRACT:
A magazine safety for a semi-automatic pistol with a double-action firing pin striker mechanism having a lever pivotable to the frame of said pistol so that the forward end thereof will sense the presence of the magazine in the pistol. The lever is provided with a downwardly opening recess on its underside and a spring disposed to urge the lever to engage a pin extending laterally from the sear of the firing mechanism of said pistol. The pistol further includes a trigger bar movable in response to the trigger and is engageable with the sear for cocking and releasing the firing pin to fire the pistol. When engaged with a sear pin, the recess in the lever serves to prevent movement of the sear for firing the pistol whenever the magazine has been removed from the pistol. The lever having its center of gravity disposed to ensure that the lever will engage the sear to prevent firing of the pistol even in the event the safety spring is rendered inoperable.
REFERENCES:
patent: 1143471 (1915-06-01), Whiting
patent: 1234961 (1917-07-01), Tansley
patent: 2296998 (1942-09-01), Koehler
patent: 3857325 (1974-12-01), Thomas
patent: 4031648 (1977-06-01), Thomas
Lenkarski Lee M.
Vaid Pardip K.
Johnson Stephen M.
Smith & Wesson Corp.
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