SURVIVAL KNIFE Russian patent published in 1997 - IPC

FIELD: device used for survival in extreme conditions of lonely existence. SUBSTANCE: the knife has a blade fastened in the haft, on one side the blade has a saw ending in a cutting edge and edge. One of the plane faces of the saw teeth is combined with one of the profile planes of the blade, the tooth shape is formed by radial recesses spaced at 5 mm, the depth equals a half of the spacing, and the angle of the tooth profile in cross-section is at least 20 deg. An antiglare coating is applied onto the blade. The haft has an inner cavity, which may accommodate an additional survival set, and it is furnished with a cover and fastener. The inner cavity and fastener are furnished with florescent members of flexible material. The blade sheath is furnished with flexible coupling for fastening and a lace. EFFECT: enhanced reliability. 5 cl, 3 dwg