Otis Elevator Company

Daniel M Tripp, Sr

Sandeep Sudi

Sally Day Mahoney

Frank Higgins

Elevator systems and methods are provided. The systems include an elevator car movable within an elevator shaft, the elevator car includes an elevator car door interlock device 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. An elevator component inspection system is configured with a detector located on the top of the elevator car and arranged to monitor the interlock devices, wherein the detector obtains inspection data associated with the elevator car door interlock device and the plurality of landing door interlock devices.

Elevator component inspection systems

Elevator systems having an elevator car within an elevator shaft are described. The systems include a plurality of landing doors located at respective landings within the elevator shaft with at least one landing positioning element installed within the elevator shaft and positioned relative to at least one landing door. An inspection system is configured with a detector located on the elevator car and arranged to detect the presence of the landing positioning element in an inspection region to determine if a position of the elevator car relative to the landing door is within a predetermined range.

Coded elevator inspection and positioning systems and methods

Elevator systems and methods of operating elevator systems having an elevator car within an elevator shaft, a counterweight within the elevator shaft and operably connected to the elevator car, an indicator element located in a pit of the elevator shaft, and an inspection system including a detector located on the elevator car and arranged to detect a location of the counterweight in an inspection region within the pit based a relative position between the counterweight and the indicator element.

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Deerfield, NH, United States of America

Daniel M Tripp, Sr