Safety apparatus for an elevator apparatus and a drive apparatus thereof
US9309090B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2012 |
| Grant date | Apr 12, 2016 |
| Priority date | — |
| Expiry date | Sep 26, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B13/22
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A safety apparatus for elevator apparatuses which can move a cab via a drive including a monitoring unit for monitoring at least one of the drive and/or the motor regulation system of the drive, a safety device having at least two sensors, which can be switched between at least two switching states depending on a state, in particular a closing state. In order to be able to reduce operating costs, at least one of the safety device and the monitoring unit includes a controller, which is designed to identify the respective switching states of the sensors, and to transmit at least one of data and monitoring signals to the monitoring unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.