Elevator apparatus
US7918319B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 1, 2006 |
| Grant date | Apr 5, 2011 |
| Priority date | — |
| Expiry date | Aug 14, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B9/00
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
In an elevator apparatus, a second car is disposed below a first car. The second car is suspended within a hoistway by a second suspension body and a third suspension body to be raised/lowered by a second hoisting machine. The second suspension body has a second car end connected to the second car on a first lateral surface side thereof. The third suspension body has a third car end connected to the second car on a second lateral surface side thereof. A looping angle adjusting pulley for increasing the looping angle of the second suspension body with respect to a second drive sheave is disposed in an upper portion of the hoistway.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.