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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||405/258 ; 307/352 ; 405/263 ; 299/079.1|
|발명자 / 주소||
|출원인 / 주소||
|대리인 / 주소||
|인용정보||피인용 횟수 : 12 인용 특허 : 8|
A method and apparatus for blending and transferring earth material at a blending site. The apparatus has a sinking shank mounted on the end of a boom of a working machine. Two cutter drums are mounted in spaced relation on the end of the shank for rotation about a horizontal axis. The working machine is advanced toward the blending site. The cutter drums are sunk into the earth material at the blending site and rotated to effect blending. The cutter drums are drawn toward the working machine to further effect blending and transfer a portion of the blend...
[What is claimed is:] [1.]advancing said working machine in the direction of said blending site;sinking said cutter drum into said portion of earth material at said blending site;rotating said cutter drum about said substantially horizontal axis to effect said blending of said portion, said axis being oriented perpendicularly to the direction of advance of said working machine, the direction of rotation tending to pull said drum away from said working machine;transferring and further blending said portion of said earth material by drawing said cutter dru...