发明名称 Soil scraper and leveler
摘要 The soil scraper of the present invention is adapted for use with a tractor or vehicle having a three point hitch. The device includes an elongated frame having a three point hitch receptacle mounted on its forward end and having an elongated scraper blade pivotally mounted to its rearward end. The scraper blade pivots about a horizontal axis and power means are provided for controlling the pivotal movement of the scraper blade about this horizontal axis. The frame has a length of at least five feet between the scraper blade and the three point hitch receptacle. The device can be used for scraping out the bottom of drainage ditches or other areas where it is desired to achieve the scraping action without placing the vehicle in the vicinity of the area being scraped.
申请公布号 US4529041(A) 申请公布日期 1985.07.16
申请号 US19840575079 申请日期 1984.01.30
申请人 BLACK, MILTON W. 发明人 BLACK, MILTON W.
分类号 E02F3/76;E02F5/28;(IPC1-7):E02F3/76 主分类号 E02F3/76
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