Combined guide rail for an elevator system
US10252886B2 · kind B2 · utility
0Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 4, 2014 |
| Grant date | Apr 9, 2019 |
| Priority date | — |
| Expiry date | Feb 18, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B9/00
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A combined guide rail for an elevator system includes a car guide rail portion to guide an elevator car along an elevator car travel path and a counterweight guide rail portion to guide a counterweight of the elevator system along a counterweight travel path. A connecting portion extends from the car guide rail portion to the counterweight guide rail portion. The car guide rail portion, the counterweight guide rail portion and the connecting portion are formed together as a single unitary structure from a single piece of material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.