Ordnance – Automatic – Movable barrel
Patent
1984-03-26
1986-06-17
Brown, David H.
Ordnance
Automatic
Movable barrel
42 75B, 89138, 89168, 89199, F41D 300, F41D 502
Patent
active
045949352
ABSTRACT:
In a locked-breech, short recoil, pistol type fire arm, the breech block slide (B) is provided with a separate locking block (E) engageable with both the barrel (C) and the slide (B) and accommodated between the underside of the barrel (C) and the upper surface of a movable trigger guard (D). Hold open means (X) are provided operable in the absence of cartridges in a magazine (T) or in the breech to allow the slide (B) to be held in the fully retracted position and simultaneously to release the trigger guard (D) for limited forward and downward movement, the trigger guard being provided with means which on movement of the trigger guard cause the locking block (E) to disengage from the barrel, whereby the barrel can be removed without the need for further disassembly of the fire arm.
REFERENCES:
patent: 1311715 (1919-07-01), Rosebush
patent: 1511510 (1924-10-01), Diehm
patent: 2115041 (1938-04-01), Obregon
patent: 2135992 (1938-11-01), Walther et al.
patent: 2958974 (1960-11-01), Sefried
patent: 2975680 (1961-03-01), Wilson
patent: 3110223 (1963-11-01), Schlappich
patent: 3408895 (1968-11-01), Lopez
patent: 3411405 (1968-11-01), Pachmayr et al.
patent: 4176584 (1979-12-01), Thomas et al.
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