EP 2049428 A1 20090422 - ESCALATOR
Title (en)
ESCALATOR
Title (de)
FAHRTREPPE
Title (fr)
ESCALIER MÉCANIQUE
Publication
Application
Priority
- EP 2007006676 W 20070727
- DE 102006036353 A 20060802
- DE 102007034628 A 20070723
Abstract (en)
[origin: WO2008014938A1] Escalator comprising a plurality of steps or panels, a chain (1) for driving the steps or panels, at least one chain wheel (2,3) around which the chain (1) circulates in part, wherein the chain (1), starting from the chain wheel (2, 3), forms a top strand (5) and a bottom strand (6), and also comprising means for the polygonal compensation of the movement of the at least one chain wheel (2, 3), wherein the effective lever arm (16, 17) of the chain (1) on the at least one chain wheel (2, 3) in the top strand (5) is essentially equal to the effective lever arm (16' 17') of the chain (1) on the at least one chain wheel (2, 3) in the bottom strand (6).
IPC 8 full level
B66B 23/02 (2006.01)
CPC (source: EP US)
B66B 23/022 (2013.01 - EP US); B66B 23/026 (2013.01 - EP US)
Citation (search report)
See references of WO 2008014938A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
WO 2008014938 A1 20080207; WO 2008014938 A8 20080320; CN 102249141 A 20111123; CN 102249141 B 20130327; EP 2049428 A1 20090422; EP 2049428 B1 20130109; EP 2471736 A1 20120704; EP 2471737 A1 20120704; ES 2402824 T3 20130509; JP 2009545501 A 20091224; JP 2013063854 A 20130411; JP 2016027993 A 20160225; JP 5461182 B2 20140402; JP 5996757 B2 20160921; PL 2049428 T3 20130628; RU 2009107222 A 20100910; RU 2412896 C2 20110227; US 2009308712 A1 20091217; US 2011220456 A1 20110915; US 2011220457 A1 20110915; US 8286778 B2 20121016; US 8292058 B2 20121023; US 8292059 B2 20121023
DOCDB simple family (application)
EP 2007006676 W 20070727; CN 201110155048 A 20070727; EP 07786388 A 20070727; EP 12162122 A 20070727; EP 12162123 A 20070727; ES 07786388 T 20070727; JP 2009522151 A 20070727; JP 2012234934 A 20121024; JP 2015205097 A 20151016; PL 07786388 T 20070727; RU 2009107222 A 20070727; US 201113116070 A 20110526; US 201113116075 A 20110526; US 37601807 A 20070727