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US 11,674,782 B1Granted
Piston actuated extended range projectile with segmented slip band
AssigneeThe United States of America as represented by the Secretary of the Army
InventorsDavid Chalfant Manley, Sean Mulvihill
Life of this patent
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Abstract
A projectile delivers a pellet payload to an increased range with increased accuracy. A two piece aerodynamically stable pusher consists of a body and tailpiece. This pusher fits into a standard 40 mm cartridge case by means of three sabots. To seal against combustion gases, a three piece split rotating band is employed.
Claims19
A projectile further comprising:
- a pusher assembly further comprising
- a pusher body defining an interior housing, and
- a pusher tail connected to the rear of the pusher body;
- a payload housed within the pusher body;
- a cap connected to the front of the pusher body for retaining the payload within the pusher body prior to ejection;
- a plunger housed within the rear of the pusher body and configured for pushing the cap off the pusher body;
- a sabot assembly coaxial with and partially surrounding the pusher assembly;
- and
- a segmented slip band coaxial with and seated in a groove on an exterior of the sabot assembly, wherein the segmented slip band rotates freely within the groove thereby minimizing the spin imparted on the pusher body and the segmented slip band separates into one or more segments upon exit from a weapon system.
6 more elements
A forty millimeter projectile further comprising:
- a pusher assembly further comprising
- a pusher body defining an interior housing, and
- a pusher tail connected to the rear of the pusher body;
- a pellet payload housed within the pusher body;
- a cap snap fit connected to the front of the pusher body for retaining the payload within the pusher body prior to ejection;
- a plunger housed within the rear of the pusher body and configured for pushing the cap off the pusher body, said plunger further comprising a face exposed to the breech of the weapon system and a shaft extending toward the cap;
- a rubber pad positioned at the rear of the payload;
- a sabot assembly coaxial with and partially surrounding the pusher assembly;
- and
- a segmented slip band coaxial with and seated in a groove on an exterior of the sabot assembly, wherein the segmented slip band rotates freely within the groove thereby minimizing the spin imparted on the pusher body and the segmented slip band separates into one or more segments upon exit from a weapon system, said segmented slip band further comprising a groove for receiving a corresponding protrusion of a cartridge case to hold the segmented slip band in place prior to being fired.
7 more elements
Dependencies are inferred from the claim text.