(19)

(11)

EP 2 806 779 A1

(12)

(43) Date of publication: 03.12.2014 Bulletin 2014/49 (21) Application number: 13702715.7 (22) Date of filing: 25.01.2013

(51) International Patent Classification (IPC):  A47L 11/30(2006.01) A47L 11/40(2006.01) (86) International application number: PCT/US2013/023106 (87) International publication number: WO 2013/112807 (01.08.2013 Gazette 2013/31)

(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: 26.01.2012 US 201261590963 P (71) Applicant: TENNANT COMPANY Minneapolis, MN 55440 (US)	(72) Inventors: FIELD, Bruce F. Golden Valley, MN 55416 (US) O'NEIL, Charles W. Edina, MN 55424 (US) (74) Representative: Marollé, Patrick Pierre Pascal  Cabinet Vidon Technopôle Atalante 16B rue de Jouanet 35703 Rennes Cedex 7 35703 Rennes Cedex 7 (FR)