| 摘要 |
PROBLEM TO BE SOLVED: To provide a snowplow which can reduce the weight of an auger and can decrease the frequency of a bite of a stone between an auger blade and an auger housing. SOLUTION: In this snowplow 10, an outside auger blade 55 and an inside auger blade 57 are arranged along a first common spiral locus 60, and an intermediate auger blade 56 is arranged along a second spiral locus 61 whose phase is deviated by an angle of about 180°with respect to the spiral locus 60. Thus, snow 155 is destroyed by using the auger blade 55, the auger blade 57 and the auger blade 56 in this order, and the snow 155, which is destroyed by the auger blade 55, is fed to the auger blade 57 via the auger blade 56. COPYRIGHT: (C)2004,JPO&NCIPI
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