FUSE Russian patent published in 2004 - IPC

FIELD: safety devices. SUBSTANCE: the fuse has a spring-loaded safety mechanism, spring-loaded firing pin, spring-loaded locking mechanism with a rod, and an initiating charge with an additional charge located in the body with two longitudinal parallel holes in the same axis with the firing pin in one of the parallel holes of the body. The longitudinal parallel of the body are separated by a wall with a duct, in which a locking ball is installed. The locking mechanism is positioned in another parallel hole of the body that is installed in a sleeve. The firing pin is located in a guide made in the form of a hollow cylinder with a cross duct for the locking ball. The guide is enveloped by a spring-loaded bush of the safety mechanism. Besides, the given bush envelopes an additional bush containing an initiating charge and an additional charge and having a gap with the sleeve bottom, the rod of the locking mechanism projects from the body and has a groove for engagement with the locking ball. Annular grooves are made on the bush, one of them faces the guide for engagement with the locking ball, and the other faces the body wall for engagement with the locking ball. EFFECT: enhanced safety of the device and reduced overall dimensions. 1 dwg