(19)

(11)

EP 2 018 341 A2

(12)

(88) Date of publication A3: 06.11.2008 (43) Date of publication: 28.01.2009 Bulletin 2009/05 (21) Application number: 07762113.4 (22) Date of filing: 11.05.2007

(51) International Patent Classification (IPC):  B66C 23/74(2006.01) (86) International application number: PCT/US2007/068738 (87) International publication number: WO 2007/134211 (22.11.2007 Gazette 2007/47)

(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: 12.05.2006 US 799915 P (71) Applicant: Manitowoc Crane Companies, Inc. Reno, Nevada 89501 (US)	(72) Inventor: PECH, David, J. Manitowoc, WI 54220 (US) (74) Representative: Merrifield, Sarah Elizabeth  Boult Wade Tennant Verulam Gardens 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)