Back to results
US 2022/0281718 A1Published application
Counterweight monitoring device
AssigneeOtis Elevator Company
InventorsAnand RAGHAVENDRA RAO, Joseph CRUTE
Life of this patent
Estimating the term…
Abstract
An illustrative example embodiment of a counterweight monitor device includes a boundary marker configured to be situated along a boundary of a counterweight space at a selected location along the counterweight path. A detector is configured for detecting a boundary marker change. The detector is configured to provide an output indicating a departure of any part of the counterweight from the counterweight space based on a detected boundary marker change.
Claims20
A counterweight monitor device, comprising:
- a boundary marker configured to be situated along a boundary of a counterweight space at a selected location along a counterweight path;
- and
- a detector configured for detecting a boundary marker change, the detector being configured to provide an output indicating a departure from the counterweight space based on a detected boundary marker change.
A method of monitoring a counterweight, the method comprising:
- situating a boundary marker along a boundary of a counterweight space at a selected location along a counterweight path;
- detecting a boundary marker change caused by at least a portion of a counterweight;
- and
- providing an output indicating a departure from the counterweight space based on the detected boundary marker change.
1 more element
Dependencies are inferred from the claim text.