CONTACT SENSOR Russian patent published in 2013 - IPC F42C19/06 

FIELD: weapons and ammunition.

SUBSTANCE: contact sensor comprises two rings, a support and a working ones, installed coaxially and fixed between each other. On the base of the support ring there is a circular sensitive element arranged, and the working ring is equipped with closers facing towards the sensitive element and installed relative to it with a regulated gap. The sensitive element is made in the form of a multi-layer printed circuit board with alternating layers of an insulating film and a metal foil. Closers are evenly spaced along the surface generator of the working ring, at the same time each closer is made in the form of a cantilever beam in the section of the L-shaped form with a sharpened tip on the free end. The shelf of each beam is arranged in the longitudinal section in the form of an isosceles trapezoid, facing with the smaller base towards to the tip, equipped in the place of connection with the shelf by a convex collar, protruding above the surface of the shelf by the height of not less than the total value of the regulated gap and thickness of the printed circuit board. The working ring with closers is made as a whole from an elastic resilient material.

EFFECT: increased reliability of device actuation.

2 cl, 3 dwg