EP 3640192 A1 20200422 - TRACTION SHEAVE, DRIVE MACHINERY AND ELEVATOR
Title (en)
TRACTION SHEAVE, DRIVE MACHINERY AND ELEVATOR
Title (de)
ANTRIEBSSCHEIBEN, ANTRIEBSMASCHINE UND AUFZÜGE
Title (fr)
POULIE DE TRACTION, MACHINERIE D'ENTRAÎNEMENT ET ASCENSEUR
Publication
Application
Priority
EP 18201509 A 20181019
Abstract (en)
The invention relates to a rotatable traction sheave (1) of an elevator for driving one or more ropes (2) of an elevator, the traction sheave (1) comprising one or more rope grooves (3) for receiving a rope (2), wherein each said rope groove (3) is delimited on one side thereof by a first side wall (4), and on the other side thereof by a second side wall (5), the rope groove (3) narrowing towards the rotational axis of the traction sheave (1); each side wall (4,5) being slanted and having an edge (4a,5a), the groove (3) being an undercut groove, a cavity (6) being provided between the aforementioned edges (4a,5a)of the side walls, which cavity (6) extends radially towards the rotational axis (X) of the sheave (1) between the aforementioned edges (4a,5a) of the side walls (4,5). The cavity (6) extends behind the side walls (4,5) as seen in radial direction of the traction sheave (1). The invention also relates to a drive machinery of an elevator as well as an elevator, which implement the traction sheave (1).
IPC 8 full level
B66B 15/04 (2006.01)
CPC (source: EP)
B66B 15/04 (2013.01); B66B 11/008 (2013.01)
Citation (search report)
- [XAI] WO 03104128 A1 20031218 - KONE CORP [FI], et al
- [XI] DE 636412 C 19361008 - FOERDERANLAGEN HECKEL
- [XA] US 4030569 A 19770621 - BERKOVITZ HARRY
- [A] WO 2011110729 A1 20110915 - KONE CORP [FI], et al
- [A] JP 2003104667 A 20030409 - TOSHIBA ELEVATOR CO LTD
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 18201509 A 20181019