(19)

(11)

EP 2 391 772 A2

(12)

(88) Date of publication A3: 18.11.2010 (43) Date of publication: 07.12.2011 Bulletin 2011/49 (21) Application number: 10736554.6 (22) Date of filing: 02.02.2010

(51) International Patent Classification (IPC):  E01C 23/06(2006.01) B60K 26/00(2006.01) E01C 19/40(2006.01) (86) International application number: PCT/US2010/022800 (87) International publication number: WO 2010/088640 (05.08.2010 Gazette 2010/31)

(84) Designated Contracting States: 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 SE SI SK SM TR (30) Priority: 02.02.2009 US 149092 P 04.03.2009 US 157401 P (71) Applicant: Somero Enterprises, Inc. Fort Myers, FL 33912 (US)	(72) Inventors: HALONEN, Philip D. Calumet, Michigan 49913 (US) KANGAS, Matthew A. Atlantic Mine, Michigan 49931 (US) KIERANEN, Carl B. Chassell, Michigan 49916 (US) ANDERSON, Frank E. Atlantic Mine, Michigan 49905 (US) (74) Representative: Miller, James Lionel Woolverton et al Kilburn & Strode LLP 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)