Ordnance – Mounts – Aircraft type
Patent
1997-03-06
1998-06-16
Jordan, Charles T.
Ordnance
Mounts
Aircraft type
89 3716, F41A 2300, B64D 700
Patent
active
057674361
ABSTRACT:
An elongated support plank structure longitudinally extends transversely through the cabin area of a helicopter and has outer end portions projecting outwardly beyond opposite sides of the helicopter. A pair of 30 mm machine guns are mounted on the plank end portions and are supplied with belted ammunition from magazine boxes mounted on the plank within the cabin area via flexible feed chutes interconnected between the magazine boxes and interiorly rollered feed adapters interconnected between the outer ends of the feed chutes and the inlets of the machine gun feeder mechanisms. The 30 mm machine guns are secured to the outer plank end portions by specially designed mounting structures each having a cradle portion with axis-adjustable roller assemblies that engage the gun and essentially preclude lateral movement thereof relative to the cradle, but permit roller-guided longitudinal gun recoil movement, during firing of the gun. During firing of the gun, the gun moves longitudinally relative to fixed position recoil pin portions of the mounting structure and resiliently transfers its longitudinal recoil and counter recoil forces to such pin portions. Each cradle is gimbal-supported within a mounting structure securable to one of the plank ends, and a bore sight adjustment subassembly is interconnected between the mounting structure and the cradle and is used to pivotally adjust the cradle relative to the mounting structure about two mutually perpendicular axes to thereby adjust the elevation and azimuth bore sight settings of the gun.
REFERENCES:
patent: 2380773 (1945-07-01), McMullen
patent: 2403591 (1946-07-01), Ewart
patent: 2454502 (1948-11-01), Christian
patent: 4966063 (1990-10-01), Sanderson et al.
patent: 5187318 (1993-02-01), Sanderson et al.
patent: 5390582 (1995-02-01), Sanderson
patent: 5417141 (1995-05-01), Sanderson
patent: 5419234 (1995-05-01), Sanderson
Rostocil Charles E.
Sanderson Paul H.
Jordan Charles T.
Sanderson Paul H.
Wesson Theresa M.
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