Elevator system with counter-rotating drive sheaves
US6345695B1 · kind B1 · utility
11Cited by
22References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2001 |
| Grant date | Feb 12, 2002 |
| Priority date | — |
| Expiry date | Aug 28, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K16/005
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An elevator system including two counter rotating drive sheaves and a drive rope frictionally engaging both drive sheaves to position an elevator car within a hoistway.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.