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US 6,488,123 B2Granted
Directional uniformity of flat tension members for elevators
AssigneeOtis Elevator Company
InventorsJohn T. Pitts, Hugh J. O'Donnell, Hubert E. Göser
Life of this patent
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Abstract
A method of manufacturing and installing multiple flat tension members in an elevator system where the direction of manufacture is determined for each of the flat tension members. Each member is marked to indicate the direction of manufacture. The belts are then installed in an elevator system by aligning the belts in accordance with the marks such that each belt is aligned in the same direction.
Claims6
A method of manufacturing and installing multiple flat tension members for an elevator system comprising the steps:
- determining a direction of manufacture for each of said flat tension members;
- applying a mark to each of said flat tension members indicative of said direction of manufacture at a predetermined distance from a first end of each of said flat tension members;
- installing said multiple flat tension members in said elevator system by using said marks to orient each of said flat tension members in a common direction and to align said mark of each of said belts in a line perpendicular to a direction of travel of said multiple flat tension members;
- and
- observing said mark of each of said belts to determine when they are no longer aligned for monitoring belt degradation.
2 more elements
Dependencies are inferred from the claim text.