NOSE FUSE Russian patent published in 2011 - IPC F42C9/14 

FIELD: weapon and ammunition.

SUBSTANCE: nose fuse comprises beam detonating cap and igniting cap, which communicate via membrane gate in central fire-transfer channel, and axial bit of igniting cap is equipped with inertial cocking mechanism and interacts with impact reaction mechanism of drive, including balls installed in radial slots, inclined towards centre from peripheral groove in rounded head of bode, to which conical fairing adjoins. At the same time above detonating cap there is receiver switched with central fire transfer channel and pyrotechnical channel of self-destruction mechanism, including igniting cap movably mounted above needlepoint. Nose fuse is additionally equipped with two safety stages arranged in the form of gate valves, one of which rests against burning stop and is placed in central fire-transfer channel between igniting cap and membrane gate, and the second one is installed above throttling hole of receiver inside collet clamp.

EFFECT: improved safety in service and functional reliability.

3 cl, 3 dwg