| 摘要 |
1,036,048. Helicopters. UNITED AIRCRAFT CORPORATION. May 5, 1965 [May 13, 1964], No. 18964/65. Heading B7W. [Also in Division B8] A cargo hook 60, Fig. 2, is suspended from a helicopter by two cables 62, 64 looped diagonally over pairs of universally mounted pulleys 40, 44, whereby the hook 60 takes up alignment and the load is evenly distributed between four separate attachment points A, B, C, D. Brackets 22 forming the attachment points are mounted on the ends of a pair of " I " beams 24 attached at two pairs of brackets 28 on the helicopter framework. |
