Safety and arming device for a spinning projectile fuze

Safety and arming device for a spinning projectile fuze, having a fuze housing (12) which is in the form of a pot and having a bearing body (14) which contains a booster charge (16), a spherical rotor (42) being mounted between said bearing body (14) and said fuze housing (12), a detonator (44) being provided in said spherical rotor, a circumferential radial groove (22) being formed in the fuze housing (12) and a circumferential annular groove (46) being formed in the rotor (42), said annular groove (46) being provided on a plane which is axially offset with respect to the circumferential radial groove (22) when the safety and arming device (10) is in a safe position, and in which there is arranged a holding ring (28), which is outwardly spreadable and is split by a separating slot (30), a spring device (48) being provided between the holding ring (28) and the bearing body (14) for forcing the holding ring (28) against an annular contact surface of the annular groove (46) when the safety and arming device (10) is in the safe position, the holding ring (28) being formed by a further slot (32) and a web (38) facing said further slot (32), said further slot being shorter than said separating slot (30), said further slot (32) extending from an inner edge (34) of the holding ring (28) into proximity to an outer edge (36) thereof, the separating slot (30) and the further slot (32) extending at the same uniform spacing in the circumferential direction of the holding ring (28) and which spacing is defined by two annular segment jaws (40), and wherein the spring device (48) includes a pair of cup-shaped plate springs (58) which jointly form a horizontal V-shaped spring profile.