(19)

(11)

EP 2 587 967 A2

(12)

(88) Date of publication A3: 19.04.2012 (43) Date of publication: 08.05.2013 Bulletin 2013/19 (21) Application number: 11803967.6 (22) Date of filing: 11.05.2011

(51) International Patent Classification (IPC):  A47C 27/10(2006.01) B68G 7/06(2006.01) (86) International application number: PCT/US2011/036061 (87) International publication number: WO 2012/005808 (12.01.2012 Gazette 2012/02)

(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: 30.06.2010 US 359990 P (71) Applicant: ROHO, INC. Belleville, IL 62221 (US)	(72) Inventors: MCCAUSLAND, J. David Glen Carbon, Illinois 62034 (US) SPROUSE, Anthony, Eric O'Fallon, Illinois 62269 (US) (74) Representative: Lecomte & Partners  P.O. Box 1623 1016 Luxembourg 1016 Luxembourg (LU)