(19)

(11)

EP 2 137 479 A2

(12)

(88) Date of publication A3: 19.02.2009 (43) Date of publication: 30.12.2009 Bulletin 2009/53 (21) Application number: 08825944.5 (22) Date of filing: 07.04.2008

(51) International Patent Classification (IPC):  F41A 9/61(2006.01) (86) International application number: PCT/US2008/059584 (87) International publication number: WO 2008/156902 (24.12.2008 Gazette 2008/52)

(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 MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 06.04.2007 US 922104 P (71) Applicant: Airtronic Usa, Inc. Elk Grove Village, IL 60007 (US)	(72) Inventor: JACOBSON, Dean, B. Beecher, IL 60401 (US) (74) Representative: Fiolka, Janusz  European Patent Attorney Os. Dywizjonu 303, bl.21C/74 31873 Crakow 31873 Crakow (PL)