发明名称 Scraping device for cleaning areas, especially for removing cattle excrement
摘要 The device has a central scraper (60) which lies crossways in relation to the direction in which it is towed. The towing mechanism is a shoe (30) which rests on the ground. The central scraper extends on either side of the shoe. There is a triangular section (90) mounted on the scraper and the top of the triangular section is mounted on the other end of the shoe. There are two side scrapers (70,80) mounted on the ends of the central scraper so that they can rotate around a vertical axis so that they can open when the device is moving forwards and close when the device is moving backwards. the length of the central scraper is between 0.5 and 0.75 times larger than the area which is to be scraped.
申请公布号 FR2750443(A1) 申请公布日期 1998.01.02
申请号 FR19960008246 申请日期 1996.06.27
申请人 MAURY 发明人 PIROSA JEAN YVES
分类号 A01K1/01;(IPC1-7):E02F5/00;E02F3/46 主分类号 A01K1/01
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