MONOBLOCK SEAL Russian patent published in 2001 - IPC

FIELD: locksmith's work. SUBSTANCE: the monoblock seal has a body with a longitudinal hole for the rope, having a passive section permanently fastened in the body, and a working section located in the "closed" position in the longitudinal hole of the body, and two spring-loaded locking members made in the form of the bodies of revolution of different diameters, located in the inner cavity of the body and engageable with the rope. The body inner cavity is made as an inclined hole matched with the longitudinal hole, and the diameters of the bodies of revolution are such that the angle formed by the tangents to the generating lines of the bodies of rotation lying in the plane passing through their centers of rotation equals the angle of intersection of the longitudinal and inclined holes, both locking members are simultaneously engageable with the rope. EFFECT: enhanced stability to break-up. 7 cl, 2 dwg