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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0100333 (1979-12-05) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 11 인용 특허 : 1 |
A backfilling machine having an auger with two spaced apart flighting segments thereon. One of the flighting segments has right hand flighting and the other of the segments has left hand flighting. The segments are rotated in unison so as to propel material from the side of the trench inwardly towar
A backfiller adapted to be mounted on a vehicle comprising: a frame having an upper frame portion and two downwardly extending spaced apart side frame members; means for mounting said frame to said vehicle; an elongated torque member extending between said side frame members and having its opposite
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