Elevator car position determination and door obstruction avoidance apparatus for an elevator in a three dimensional structure
US8960376B2 · kind B2 · utility
5Cited by
12References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 30, 2012 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | May 8, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B13/26
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An elevator apparatus including a position determination apparatus for determining the position of an elevator car inside an elevator shaft, the position determining apparatus including a marking unit for marking a position of the elevator car, and a detection unit for detecting the marking unit, the marking unit being arranged on one of the shaft doors and the detection unit being arranged on the associated car door or vice versa for the purpose of improved installation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.