Ordnance – Automatic – Convertible gun operation
Patent
1995-05-19
1997-03-25
Eldred, J. Woodrow
Ordnance
Automatic
Convertible gun operation
89154, 89181, 89189, 8919101, 42 6903, F41C 2700
Patent
active
056146914
ABSTRACT:
A striking mechanism (20) for the semi-automatic operation of a cartridge firing firearm (10) providing, in combination, a receiver (12); a barrel (11) attached to the receiver; a gas operated slide assembly (13) providing a slide (14) movable within the receiver; a magazine (19), supplying a plurality of cartridges (29), carried by the receiver; and a trigger assembly (26) attached to the receiver and providing a hammer (28); the striking mechanism comprising a bolt (21) reciprocable within the receiver and engageable with the breach (32) of the barrel and the face of a cartridge chambered therein, the bolt carrying a primary firing pin (22); a bolt lock (23) pivotally linked to the bolt for selectively locking the bolt within the receiver; a secondary firing pin assembly (24) pivotally linked to the bolt lock and to the slide, the secondary firing pin assembly providing a secondary firing pin (25), engageable with the hammer and the primary firing pin thereby to strike the primer of a cartridge chambered within the barrel. The present invention also includes a method for converting gas operated cartridge firing firearms (10) from fully automatic operation to semi-automatic operation comprising removing the bolt link, hammer and trigger assembly from the fully automatic firearm; providing a bolt (21) reciprocable within the receiver (12) of the firearm, engageable with the breach (32) of the barrel (11) and the face of a cartridge chambered therein and carrying a primary firing pin; providing a bolt lock (23) pivotally connected to the bolt for selectively locking the bolt within the receiver; providing a trigger assembly (26) having a trigger (16) and a hammer (28) selectively movable once in response to rearward movement of the trigger; and providing a secondary firing pin assembly (24) between the bolt lock and the slide, said assembly being interposed between the bolt and the hammer and providing a secondary firing pin (25) engageable with the hammer and the primary firing pin thereby to strike the primer of a cartridge chambered within the barrel in response to rearward movement of the trigger.
REFERENCES:
patent: 1073452 (1913-09-01), White
patent: 1178468 (1916-04-01), Hartigan
Catalog and Hand Book -Colt Automatic Machine Guns; Colt Automatic Machine Rifles; Colt Aircraft Machine Guns and Equipment (Browning Patents) By: Colt's Patent Fire Arms MFG. Company Hartford, Conn., U.S.A. (26 pages) Undated.
Eldred J. Woodrow
Robert I. Landies
LandOfFree
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