(19)

(11)

EP 3 727 829 A1

(12)

(43) Date of publication: 28.10.2020 Bulletin 2020/44 (21) Application number: 18891750.4 (22) Date of filing: 18.12.2018

(51) International Patent Classification (IPC):  B30B 1/06(2006.01) B30B 15/00(2006.01) B21D 51/26(2006.01) F16C 23/10(2006.01) B30B 1/26(2006.01) B21D 22/30(2006.01) F16C 3/28(2006.01) (86) International application number: PCT/US2018/066119 (87) International publication number: WO 2019/126091 (27.06.2019 Gazette 2019/26)

(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 Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 21.12.2017 US 201715850414 (71) Applicant: Stolle Machinery Company, LLC Centennial, Colorado 80112 (US)	(72) Inventor: BLUE, Rodney Adolph Huntington Beach, California 92649 (US) (74) Representative: Mewburn Ellis LLP  Aurora Building Counterslip Bristol BS1 6BX Bristol BS1 6BX (GB)