(19)

(11)

EP 2 222 581 A2

(12)

(88) Date of publication A3: 03.09.2009 (43) Date of publication: 01.09.2010 Bulletin 2010/35 (21) Application number: 07854724.7 (22) Date of filing: 20.11.2007

(51) International Patent Classification (IPC):  B65G 47/10(2006.01) (86) International application number: PCT/US2007/085253 (87) International publication number: WO 2009/067110 (28.05.2009 Gazette 2009/22)

(84) Designated Contracting States: 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 States: AL BA HR MK RS (71) Applicant: Dematic Corp. Grand Rapids, Michigan 49505 (US)	(72) Inventors: HAAN, Ted, W. Wyoming Michigan 49509 (US) COTTER, David, H. Coopersville Michigan 49404 (US) TASMA, Ryan, D. Middleville Michigan 49333 (US) (74) Representative: Moser & Götze  Patentanwälte Paul-Klinger-Strasse 9 45127 Essen 45127 Essen (DE)