Ordnance – Mounts – Aircraft type
Patent
1995-01-10
1995-10-31
Johnson, Stephen M.
Ordnance
Mounts
Aircraft type
89 3716, F41A 2302
Patent
active
054619637
ABSTRACT:
Belted ammunition of either the "ball" or the shorter "SLAP" type is supplied through a flexible feed chute to a 7.62 mm mini machine gun using a specially configured feed adapter interconnected between the outlet end of the feed chute and the inlet of the gun feeder mechanism. The feed adapter, through which the ammunition passes into the gun feed mechanism, is provided with at least one internal roller around which the ammunition belt operatively passes. The roller has a side surface contour with a sloped shoulder portion which complementarily engages the sloping shoulders of the individual ammunition rounds passing around the roller. This complementary shoulder engagement longitudinally indexes the rounds within the adapter and limits undesirable longitudinal shifting of the rounds therein. In one embodiment thereof the adapter is connected to an aircraft plank-mounted mini gun and permits the ammunition belt to be routed over the gun, turned downwardly, and then bent sharply back into the gun's feeder mechanism without tending to cause ammunition jamming at the feed mechanism due to the sharp belt bend. In a second embodiment thereof the feed adapter is connected to a pintle-mounted mini gun and serves to provide improved vertical pivoting clearance between the gun and an aircraft door or window sill structure upon which the gun-supporting pintle apparatus is mounted. In a third embodiment thereof the feed adapter is connected to a pintle-mounted gun slidably mounted on a pivotable support arm member extending outwardly through an aircraft side door opening.
REFERENCES:
patent: 2371324 (1945-03-01), Trotter
patent: 4893545 (1990-01-01), Sanderson et al.
patent: 5187318 (1993-02-01), Sanderson et al.
Douglas, Douglas DGP-1 Twin .50 Cal. Gun Package, Jul. 27, 1945 pp. 1-28.
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