KEY LOCK AND DEVICE WITH KEY LOCK

摘要

FIELD: transport.SUBSTANCE: invention relates to key locks to be used as a safety means at railway transport for protection of hand-actuated shift mechanisms. Said key lock incorporates the communication device for wireless communication with interlocking control towers. Long-term power supply is used for self-contained power feed to the key lock while sensory device is meant for detection of availability or absence of the key of this load. Key lock allows wireless transmission of data signal specifying the key availability or absence to the interlocking control tower.EFFECT: flexible and efficient use of key lock for protection of shift mechanism.6 cl, 1 dwg