Load bearing member for use in an elevator system having external markings for indicating a condition of the assembly
US7117981B2 · kind B2 · utility
22Cited by
10References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2001 |
| Grant date | Oct 10, 2006 |
| Priority date | — |
| Expiry date | Dec 19, 2021 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD07B2301/259
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A load bearing assembly in an elevator system includes a plurality of discernable markings on an external surface of the assembly. A monitoring device includes at least one detector that detects locations of the markings along the length of the assembly. Changes in spacing between markings provides an indication of belt loading conditions and provides an ability to determine a condition of the belt relative to whether a replacement of the belt may be necessary. A variety of markings and a variety of detecting arrangements are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.