EP 2560909 B1 20140820 - Operational state monitoring of load-bearing devices in a lift assembly
Title (en)
Operational state monitoring of load-bearing devices in a lift assembly
Title (de)
BETRIEBSZUSTANDSÜBERWACHUNG VON TRAGMITTELN IN EINER AUFZUGSANLAGE
Title (fr)
Surveillance de l'état de fonctionnement d'éléments de support dans une installation d'ascenseur
Publication
Application
Priority
- EP 10160323 A 20100419
- EP 2011055986 W 20110415
- EP 11714628 A 20110415
Abstract (en)
[origin: US2011253484A1] An elevator installation can comprise an elevator cage, a counterweight, a first support, a second support, a drive for driving of drive pulleys in common and for movement of the supports, and a monitoring device with two slack support switches. A first slack support switch is arranged in the region of a first fastening point for monitoring the first support. A second slack support switch is arranged diagonally opposite in the region of another fastening point for monitoring the second support. The monitoring device comprises a safety circuit, in which the two slack support switches are so integrated in a safety circuit of the elevator installation that actuation of just one of the two slack support switches interrupts the safety circuit.
IPC 8 full level
B66B 5/12 (2006.01)
CPC (source: EP US)
B66B 5/125 (2013.01 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
US 2011253484 A1 20111020; US 8602173 B2 20131210; CN 102858672 A 20130102; CN 102858672 B 20150211; EP 2560909 A1 20130227; EP 2560909 B1 20140820; ES 2524399 T3 20141209; WO 2011131574 A1 20111027
DOCDB simple family (application)
US 201113088858 A 20110418; CN 201180019291 A 20110415; EP 11714628 A 20110415; EP 2011055986 W 20110415; ES 11714628 T 20110415