Ordnance – Automatic – Blow back breech block
Reexamination Certificate
2005-08-23
2005-08-23
Eldred, J. Woodrow (Department: 3644)
Ordnance
Automatic
Blow back breech block
C089S199000, C089S128000, C089S130000, C089S183000, C042S069020
Reexamination Certificate
active
06931978
ABSTRACT:
A blow-back operating automatic firearm has a sliding mass carried with its bolt carrier assembly to increase the dwell time of the bolt at the breech when the bolt is in battery position for firing. The sliding mass reduces the tendency of the bolt to bounce-off the head end of the seated cartridge, thereby reducing the risk that a misfiring will occur.
REFERENCES:
patent: 4227439 (1980-10-01), Gillum
patent: H926 (1991-06-01), Mahtook
patent: 6829974 (2004-12-01), Gwinn, Jr.
Eldred J. Woodrow
French David J.
SNC Technologies Inc.
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