| 发明名称 |
Helicopter soft snow landing aid |
| 摘要 |
An aircraft landing gear system including a window shaped type membrane which is mechanically stretched prior to landing. The large surface area of the membrane would significantly increase the load bearing area of the helicopter, enabling landing in snow. Upon takeoff, the member would be rolled up.
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| 申请公布号 |
US5065958(A) |
申请公布日期 |
1991.11.19 |
| 申请号 |
US19860902712 |
申请日期 |
1986.09.02 |
| 申请人 |
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE ARMY |
发明人 |
STUBSTAD, JOHN M.;RAND, JOHN H. |
| 分类号 |
B64C25/52;B64C25/66 |
主分类号 |
B64C25/52 |
| 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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