81956 ⎘
Other common features of elevators; Checking, lubricating, or cleaning means for ropes, cables or guides Checking means
Sub-classes:ELONGATION BASED MONITORING OF TENSION MEMBERS
#2METHOD AND DEVICE FOR MONITORING PROPERTIES OF A SUPPORTING-MEANS ARRANGEMENT IN AN ELEVATOR SYSTEM
#3CONDITION DETECTING METHOD AND DEVICE FOR SURFACE INSULATING LAYER OF ELEVATOR TRACTION BELT
#4System and method for monitoring wire ropes
#5Elevator rail healthy monitoring method