(19)

(11)

EP 2 063 756 A1

(12)

(43) Date of publication: 03.06.2009 Bulletin 2009/23 (21) Application number: 07811522.7 (22) Date of filing: 24.08.2007

(51) International Patent Classification (IPC):  A47L 11/34(2006.01) (86) International application number: PCT/US2007/018744 (87) International publication number: WO 2008/027315 (06.03.2008 Gazette 2008/10)

(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 (30) Priority: 28.08.2006 US 511780 (71) Applicant: The Hoover Company North Canton, OH 44720 (US)	(72) Inventor: GORDON, Evan A. Canton, OH 44714 (US) (74) Representative: Alt, Michael et al Bird & Bird LLP Pacellistraße 14 D-80333 München D-80333 München (DE)