Firearms – Safety mechanism – Trigger lock
Patent
1983-12-16
1985-12-03
Jordan, Charles T.
Firearms
Safety mechanism
Trigger lock
42 69R, F41C 1900, F41C 1704
Patent
active
045558612
ABSTRACT:
A semi-automatic pistol (10) has a breech-slide (14) for chambering a cartridge (32). The breech-slide carries an inertia type firing pin (18) which is displaced to fire the chambered cartridge by a hammer (26). An axially movable trigger assembly (42) functions to displace a sear (34) to release the hammer when the trigger assembly is moved to the pulled position. The hammer has a safety surface (46) which performs the function of a half-cocked notch but engages the sear near the fired position so that a falling of the hammer after disengagement of the sear and the safety surface will not cause the firing pin to fire a cartridge. A firing pin lock (20) is mounted in the breech-slide for vertical movement between a lower pin-locking position and an upper position in which the pin is free to travel. A pair of operatively interconnected levers (70, 76) respond to movement of the trigger assembly to the pulled position and simultaneously move the lock to the upper position.
REFERENCES:
patent: 1972763 (1934-09-01), Dutton
patent: 2169084 (1939-08-01), Swartz
patent: 2846925 (1958-08-01), Norman
patent: 3633303 (1972-01-01), Volkmar et al.
patent: 3724113 (1973-04-01), Ludwig
patent: 3830002 (1974-08-01), Volkmar
patent: 4021955 (1977-05-01), Curtis
patent: 4306487 (1981-12-01), Beretta
patent: 4312263 (1982-01-01), Bourlet
"Colt MK IV Series 80 Pistol", American Rifleman, Sep. 1983, pp. 59-60.
Colt Industries Operating Corp
Dornon Richard A.
Jordan Charles T.
Luther Radford W.
Parr Ted L.
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