发明名称 MUD REMOVAL DEVICE OF EARTH AUGER
摘要 PROBLEM TO BE SOLVED: To provide a mud removal device for an earth auger following a steady brace mechanism and the vertical movement caused by rotation of an auger screw, efficiently scraping off the soil from the screw, and facilitating the handling such as maintenance. SOLUTION: This mud removal device for the earth auger scrapes off the soil stuck to the auger screw 3 by an elastic rod body 2 attached to a steady brace cylindrical body 1 of the auger screw 3. The steady brace cylindrical body 1 comprises a fixed cylindrical part 1a formed with a cylindrical wall into an integral cylindrical shape and a movable cylindrical part 1b openably/closably formed with the cylindrical wall. The movable cylindrical part 1b is attached with the elastic rod body 2 bundled and formed into a bundle projecting to the inside of the steady brace cylindrical body 1. COPYRIGHT: (C)2004,JPO
申请公布号 JP2004084161(A) 申请公布日期 2004.03.18
申请号 JP20020242204 申请日期 2002.08.22
申请人 GEOTOP CORP 发明人 SUMI KOJI;HOSODA MITSUYOSHI;HANAOKA MASAO;HAYASHI YOSHIHARU
分类号 E21B12/06;(IPC1-7):E21B12/06 主分类号 E21B12/06
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