Firearms – Safety mechanism – Sear lock
Patent
1991-04-22
1993-06-01
Carone, Michael J.
Firearms
Safety mechanism
Sear lock
89150, F41A 1756
Patent
active
052161919
ABSTRACT:
A semi-automatic pistol has a slide which houses a barrel and a firing pin, and a frame which houses a trigger and a mechanism for releasing the firing pin. The mechanism includes a sear engageable with the firing pin and a cam actuator which is operable by the trigger. The cam actuator prevents movement of the sear to release the firing pin and also operates a detent to prevent movement of the firing pin, until the trigger has moved the cam actuator by a predetermined amount. The firing pin can also be locked in position by a safety catch which can act at the same time on a linkage between the trigger and the cam actuator, to disconnect the latter from the trigger. The operating characteristics of the trigger may be determined by selection of an actuator having a required profile. The firing pin is held captive in the slide and cannot be tampered with.
REFERENCES:
patent: 1741281 (1929-12-01), Burton
patent: 2942369 (1960-06-01), Emanuel
patent: 3195408 (1965-07-01), Sherman
patent: 3724113 (1973-04-01), Ludwig
patent: 4352317 (1982-10-01), Wilhelm
patent: 4512100 (1985-04-01), Dheur
patent: 4575963 (1986-03-01), Ruger et al.
patent: 4854217 (1989-08-01), Ransom
Carone Michael J.
Modern Manufacturing Company
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