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1. 发明专利

JP2002061144A SAND SHIFTER 失效
公开(公告)号：JP2002061144A
公开(公告)日：2002-02-28
申请号：JP2000251006
申请日：2000-08-22
申请人： AOKI CONSTRUCTION
发明人： AOKI TETSUHIKO
IPC分类号： E01H12/00 , B07B1/00 , B07B1/22
摘要： PROBLEM TO BE SOLVED: To provide a sand shifter capable of continuously conducting three steps of digging, sieving and back filling sand, smoothly collecting refuse on the surface layer of sand ground as well as refuse on the surface of the sand ground, and keeping traveling stability even if a tractor is moved with the sand shifter lifted up. SOLUTION: A cylindrical sieving body 19 rotated by a rotating means 24 and having a scratch inlet part 23 projected on the outer peripheral part is stored in a bucket 13 of the tractor 11, whereby three steps of digging, sieving and back filling sand can be continuously performed by one sand shifter 10. Not only refuse on the surface of sandy beach but refuse buried in the surface layer of the sandy beach can be smoothly collected. In moving the tractor 11 with the sand shifter 10 lifted up, high traveling stability is obtained as compared with the conventional vertical type rotor having substantially vertical axis of rotation. This results from that the cylindrical sieving body 19 is disposed substantially horizontally in the interior of the bucket 13.

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