FIELD: construction.
SUBSTANCE: invention relates to locks for protection of premises and may be used in means of transport as antitheft device. Lock is provided with key for its opening and consists of body, drum and grip. Body and drum are provided with holes with pins installed in them, arranged coaxially along circumference along axis to produce lock mechanism. Drum is installed into body and enables vertical axis rotation. Grip is rigidly installed in body, slots are provided in grip and drum for shaft. Each pin consists of at least three parts. One part is stepped, interacting with key, other is composite from cylinder and rod with the possibility of fixed length variation, back pins are cylindrical. Thread is cut in holes of body and drum, and on the second and third parts of pins there is thread arranged for interaction with threaded surfaces on holes of body and drum. Diametre of holes thread arranged in body of lock and drum is more than diametre of thread arranged on pins.
EFFECT: invention makes it possible to eliminate chances of lock jamming with preservation of its security properties.
8 dwg
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