发明名称 |
Device for hauling felled trees by helicopter |
摘要 |
The device for hauling felled trees by helicopter comprises a cable attached to the helicopter hull and a grab attached to the lower part of the cable. The distance between the cable-hull attachment points and the grab lies in the range 1.78 - 7.27 times the diameter of the helicopter rotor. The pincer-type grab is provided with a hydraulic or electrical drive and at least two air fans arranged on the grab symmetrically in relation to the cable attachment points. <IMAGE> |
申请公布号 |
AU1739597(A) |
申请公布日期 |
1997.10.01 |
申请号 |
AU19970017395 |
申请日期 |
1997.02.10 |
申请人 |
AKTSIONERNOE OBSCHESTVO ZAKRYTOGO TIPA "AERINN" |
发明人 |
VITALY GEORGIEVICH CHENTSOV |
分类号 |
B64D1/22;B66C1/58;B66C13/08 |
主分类号 |
B64D1/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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