Patent ID: 11932514
Assignee: OTIS ELEVATOR COMPANY
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. An elevator system comprising:
an elevator car movable within an elevator shaft, the elevator car includes an elevator car door interlock device arranged on a top of the elevator car and operable to open and close elevator car doors;
a plurality of landing doors located at respective landings along the elevator shaft, wherein each landing door includes a landing door interlock device operable to open and close a respective landing door, wherein each landing door interlock device is engageable by the elevator car door interlock device to enable operation of the elevator car doors and the respective landing door simultaneously; and
an elevator component inspection system comprising a detector located on the top of the elevator car and arranged to monitor the elevator car door interlock device and the plurality of landing door interlock devices, wherein the detector obtains inspection data associated with the elevator car door interlock device and the plurality of landing door interlock devices,
wherein each landing door interlock device comprises a pair of rollers and the elevator car door interlock device comprises at least one of a set of vanes and a set of blades, and
wherein the inspection data comprises (i) a minimum clearance gap between the set of blades and the at least one set of vanes during travel of the elevator car past a landing comprising the set of vanes, and (ii) a minimum area of contact between the set of blades and the at least one set of vanes during an opening operation.