| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a door assembly for helicopter that includes an inexpensive and simple emergency release device. <P>SOLUTION: The door assembly 1 for helicopter, includes: a post 6; a door 8 fitted to the post by first and second hinges 28, 27 arranged on an outer wall 31 of a post 6, so as to rotate centering on a hinge axis 9 to open and close a door opening 3; and the emergency release device 50 having a release handle 51, and a stem 44. The stem 44 extends through the post 6 along a release axis 45 substantially perpendicular to the hinge axis 9, rotates axially, in response to operation of the release handle 51, from a first angular position to a second angular position to detach the door 8 from the post 6, and is fixed at one axial end 43 to the first hinge 28; the release handle 51 being connected to the stem 44 to rotate together with the stem 44 centering on the release axis 45. <P>COPYRIGHT: (C)2012,JPO&INPIT |
