Two directions escalator driven by a single machine
US7784598B2 · kind B2 · utility
1Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2007 |
| Grant date | Aug 31, 2010 |
| Priority date | — |
| Expiry date | Mar 15, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B23/026
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A bi-directional escalator includes an ascending escalator and a descending escalator arranged in parallel and side-by-side with the ascending escalator. A driving machine drives an ascending driving unit and a descending driving unit at the same time. A controller controls operation of the driving machine. The driving machine includes an electric motor and a reduction gearbox connected to the electric motor. The reduction gearbox has a first output shaft and a second output shaft both arranged on the same side of the reduction gearbox.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.