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EP 3 610 075 A1

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(43) Date of publication: 19.02.2020 Bulletin 2020/08 (21) Application number: 18902475.5 (22) Date of filing: 23.11.2018

(51) International Patent Classification (IPC):  E02F 3/28(2006.01) E02F 3/42(2006.01) E02F 3/36(2006.01) (86) International application number: PCT/CN2018/117229 (87) International publication number: WO 2019/144689 (01.08.2019 Gazette 2019/31)

(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: 26.01.2018 CN 201810076343 (71) Applicant: Guangxi LiuGong Machinery Co., Ltd. Liuzhou Guangxi 545007 (CN)	(72) Inventor: WAGNER, Edward Liuzhou, Guangxi 545007 (CN) (74) Representative: Wachenhausen & Kollegen Patentanwälte GbR  Schellingstrasse 29 80799 München 80799 München (DE)