| 摘要 |
1. Safety device for an explosive device (1) of the mine, rocket or missile type, launched from a tube (3) including a safety flap (2) secured by a first latching means (4), the retraction of which is prohibited by a latching means (8), wherein it includes a second latching device (5) latching the flap (2) indexed on the tube (3) and an intermediate latching device (19) controlling the displacement of the second latching device (5), cooperating with the locking means (8), on the one hand, and a memory spring (12), the heating of which is controlled before firing by latching the flap by the locking means, and of which the later change in mechanical properties controls the retraction of the locking means (8) and the release of the flap (2).
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