Ordnance – Automatic – Firing device operation or control
Reexamination Certificate
2007-07-05
2010-10-05
Hayes, Bret (Department: 3641)
Ordnance
Automatic
Firing device operation or control
C089S138000, C089S144000, C089S149000
Reexamination Certificate
active
07806039
ABSTRACT:
A firearm has a frame with a barrel connected to the frame and defining a barrel axis. The barrel has a rear end defining a chamber, and a bolt assembly reciprocates with respect to the chamber between a closed position adjacent the chamber, and an open position away from the chamber. A fire control assembly includes a trigger and a selector switch with a semi-automatic position and a fully-automatic position. The fire control assembly includes a bolt assembly sear operably engaging the bolt. The fire control assembly operates when the selector switch is in the semi-automatic position in response to pulling the trigger to discharge the firearm, to load a cartridge, and to position the bolt in the closed position. The fire control assembly operates when the selector switch is in the fully-automatic position in response to pulling the trigger to discharge the firearm, and to hold the bolt in the open position. The fire control may include a sub-frame connected to the frame and to the bolt assembly sear, and may include a safety sear that prevents firing out of battery when in either full-auto or semi-auto modes. The fire control system may include a facility that momentarily maintains the trigger in a firing position when it is released while the bolt is moving forward from the open position.
REFERENCES:
patent: 2482758 (1949-09-01), Gaidos
patent: 2858741 (1958-11-01), Simpson
patent: 2872849 (1959-02-01), Simpson
patent: 3446114 (1969-05-01), Ketterer
patent: 3618455 (1971-11-01), Plumer et al.
patent: 4057003 (1977-11-01), Atchisson
patent: 4128042 (1978-12-01), Atchisson
patent: 4433610 (1984-02-01), Tatro
patent: 2007/0051236 (2007-03-01), Groves et al.
Journal Article:The Small Arms Review, vol. 10, No. 9, Jun. 2007, pp. 83-88, “The German FG-42”.
Hayes Bret
Langlotz Bennet K.
Langlotz Patent & Trademark Works, Inc.
LWRC International, LLC
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