CYLINDRICAL MECHANISM OF LOCK WITH KEY Russian patent published in 1999 - IPC

FIELD: locking devices. SUBSTANCE: cylindrical mechanism has body with central hole and radial holes located in groove made according to spiral line. Also provided are locking members located in radial holes of body, turning drum with circular longitudinal passage for key, and lateral holes which are coaxial with radial holes in body. Pushers located in holes of turning drum interact with locking members. There are supporting balls. Resilient member made in the form of cylindrical spring is seated in spiral groove of body, and it interacts with locking member. Tubular cylindrical key of lock has through-holes and chamfers. Locking members and pushers are made in the form of cylindrical pins. Their end faces turned towards each other have spheres of radiuses equal to radius of turning drum. Aforesaid embodiment of cylindrical mechanism is wear-resistant and reliable in operation. EFFECT: higher efficiency. 2 dwg