RIM LOCK Russian patent published in 1998 - IPC

FIELD: locking devices. SUBSTANCE: lock has body with cover in which installed is span-piece movable longitudinally. Also located in body are cylinder mechanism for displacement of span-piece, locking strip and key. Made in side wall of body is at least one hole for locking end of span-piece. Arranged within inner plane of body is plate fastened on its bottom by means of screw having axial hole for key. Mounted on plate are cylinder mechanism and cover with span-piece made in the form of L-shaped strip with open longitudinal slot in its end located against hole in side wall of body for locking end of span-piece which actually represents cylindrical locking pin provided with coaxial lug installed in aforesaid slot of strip with possibility of their separation. Plate and body wall parallel to wall in which there is hole for locking end of span-piece are respectively provided with limiters for axial displacement of locking pin and plate inside body at external action on its fastening screw after premeditative crushing of screw threaded connection with body bottom. EFFECT: high efficiency. 5 cl, 6 dwg