Traction sheave elevator with drive machine below
US5469937A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 23, 1994 |
| Grant date | Nov 28, 1995 |
| Priority date | — |
| Expiry date | Jun 23, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B11/0045
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The invention relates to a traction sheave elevator with drive machine below, comprising an elevator car (1) moving along elevator guide rails (10), a counterweight moving along counterweight guide rails (11), a set of hoisting ropes (3) supporting the elevator car and the counterweight, and in the bottom part of the elevator shaft a drive machine unit (6) comprising a traction sheave (7) driven by the drive machine and engaging the hoisting ropes (3). The drive machine unit (6) of the elevator is placed below the path of the counterweight (2). In the direction of the thickness of the counterweight, the drive machine unit (6) is placed substantially inside the shaft space extension required by the counterweight (2) on its path, including the safety distance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.