| 摘要 |
<p>A submunition fuse (1) presenting a tubular body (17); a support (23) housed in sliding manner in the tubular body (17); a firing element (35) housed in sliding manner in the support (23); a detonating element (7) mounted facing the firing element (35) in the armed position of the fuse; a strip (27) fitted to the top of the support (23), projecting from the tubular body, and which, during descent of the fuse, exerts aerodynamic force on the support in a direction away from the detonating element (7); a first thrust spring (31) acting on the support (23) to generate a first thrust, in the direction of the detonating element (7), not exceeding the aerodynamic force; a second thrust spring (40) acting on the firing element (35) to generate a second thrust in the direction of the detonating element (7); and lock balls (30) retained by the tubular body (17) in such a position as to interfere with and lock the firing element (35) in a withdrawn position. The first thrust spring (31) is disabled, during descent, by the aerodynamic force to maintain the fuse in the arming position, and is activated at the end of descent in the event of failure of the impact-initiating system, by virtue of no longer being counteracted by the aerodynamic force. The support (23) is therefore pushed into such a position as to release the balls (30) and hence the firing element (35) which is pushed by the second spring (40) against the detonating element (7). <IMAGE> <IMAGE></p> |
