发明名称 Land roller has disks pivoted via central aperture, each disk being made up of two mirror image sections with flat central section followed by sloping second section, second flat section, second sloping section and flat final section
摘要 The land roller has disks (2, 2') pivoted on an axle via a central aperture (4). Each disk is made up of two mirror image sections with a flat central section (3e) followed by a sloping second section (3d), a second flat section (3c), a second sloping section (3b) and a flat final section (3a). An Independent claim is included for a stamped component forming a section as described above.
申请公布号 FR2805962(A1) 申请公布日期 2001.09.14
申请号 FR20000003109 申请日期 2000.03.10
申请人 SOCIETE NOUVELLE FENET 发明人 BESSON PATRICK
分类号 A01B29/04;(IPC1-7):A01B29/04 主分类号 A01B29/04
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