| US 7,490,553 B2 | ||
| Pyrotechnic safety device of reduced dimensions | ||
| Pierre Magnan, Saint Palais (France); and Renaud Lafont, Bourges (France) | ||
| Assigned to Giat Industries, Versailles (France) | ||
| Filed on Oct. 23, 2006, as Appl. No. 11/585,291. | ||
| Claims priority of application No. 05 11120 (FR), filed on Oct. 27, 2005. | ||
| Prior Publication US 2007/0131127 A1, Jun. 14, 2007 | ||
| Int. Cl. F42C 15/34 (2006.01) | ||
| U.S. Cl. 102—254 [102/222] | 12 Claims |
| 1. A firing safety device for a pyrotechnic device, said firing safety device including a barrier for blocking a transmission
channel that connects an igniter and a pyrotechnic charge, and said barrier comprising:
at least two elements that move with respect to one another;
wherein the firing safety device further includes a motor that moves said at least two elements between a safety position
in which said at least two elements cooperate to block said transmission channel, and an armed position in which said at least
two elements free at least partially one part of said transmission channel, each of said at least two elements alone being
unable to block said channel, and
said at least two elements abut one another in the safety position.
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