PLASTIC SEAL-LOCK Russian patent published in 2002 - IPC

FIELD: locksmith's work, concerns a plastic seal-lock. SUBSTANCE: the plastic seal- lock has a hollow body with a central hole, flexible locking member inserted in the body hole, plastic detent made in the form of a solid cylindrical petal-shaped collet installed inside the body for conjugation to the locking member, one end of the locking member is made integral with the body, and the other - with the thinned tail piece and with the alternating sections of a different diameter with formation of shoulders, the generating line of the inner and outer surfaces of each collet petal is made in non-coinciding broken lines, and each petal in the direction to its free end is made with a decreasing thickness so that the diameter of the shoulders equals or exceeds the collet outside diameter measured on the ends of its petals. EFFECT: the given seal has an enhanced reliability in service. 2 cl, 2 dwg