专利名称：SNOWPLOW BLADE发明人：HENRY D,CA,VERSEEF J,CA申请号：US3762077D申请日：19710810公开号：US3762077A公开日：19731002
摘要：A snowplow blade mounted at the forward end of a vehicle is set obliquely withrespect to the forward direction of travel, the snowplow blade presenting a forwardlydirected concave face defining a lower scraping edge, a top edge, and respective leadingand trailing lateral edges, the shape and setting of the blade being such that a lineextending diagonally across the blade face from the leading end of the lower scrapingedge to the trailing end of the top edge intersects the lower scraping edge at an anglewhich is greater than the acute angle subtended between the lower scraping edge andsaid forward direction of travel.
申请人：EASTERN STEEL PRODUCTS LTD,CA
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