(19)

(11)

EP 2 496 785 A2

(12)

(43) Date of publication: 12.09.2012 Bulletin 2012/37 (21) Application number: 10787186.5 (22) Date of filing: 02.11.2010

(51) International Patent Classification (IPC):  E06C 7/18(2006.01) (86) International application number: PCT/IB2010/054960 (87) International publication number: WO 2011/055301 (12.05.2011 Gazette 2011/19)

(84) Designated Contracting States: 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 (30) Priority: 03.11.2009 DE 202009013672 U (71) Applicant: Tractel Greifzug GmbH 51469 Bergisch Gladbach (DE)	(72) Inventors: SZLACHCIKOWSKI, Miroslaw 44803 Bochum (DE) EICHWEIN, Michael 40764 Langenfeld (Rhld.) (DE) (74) Representative: Witte, Weller & Partner  Königstrasse 5 70173 Stuttgart 70173 Stuttgart (DE)