| 摘要 |
PROBLEM TO BE SOLVED: To prevent a skid by improving climbing force, to smoothly get over a tilting surface such as a ridge, to prevent mud from adhering to a skid preventive portion of lug and increasing, to easily forming skids in a thin-wall portion of the lug, to eliminate the fear of shearing/breaking a road surface by the skid portion and unexpected falling away of the skid portion. SOLUTION: In the agricultural wheel having the lug, projecting/recessed portions for the skids are provided on a surface of the lug. The projecting/recessed portions for the skid are formed by arranging a large number of conical or pyramidal protrusions. The projecting/recessed portions for the skid are formed by arranging a large number of linear protrusions. COPYRIGHT: (C)2006,JPO&NCIPI
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