发明名称 |
A DEVICE FOR HELICOPTER LOGGING |
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 point.
|
申请公布号 |
CA2221205(A1) |
申请公布日期 |
1997.09.18 |
申请号 |
CA19972221205 |
申请日期 |
1997.02.03 |
申请人 |
AKTSIONERNOE OBSCHESTVO ZAKRYTOGO TIPA "AERINN" |
发明人 |
CHENTSOV, VITALY GEORGIEVICH |
分类号 |
B66C1/58;B64D1/22;B66C13/08;(IPC1-7):B64D1/22 |
主分类号 |
B66C1/58 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|