| 摘要 |
A self-propelled dolly for moving (towing or pushing) a tricycle landing gear-type airplane which includes a nose wheel journaled on a depending strut; the dolly embodying-on a manually controlled, wheel-supported, reversibly power driven mobile frame-a vertically power adjustable ramp at the forward end of the mobile frame adapted to receive and elevate said nose wheel preparatory to moving the airplane from one location to another, and a forwardly projecting, power-actuated, universally mounted hook unit on the mobile frame adapted to engage and pull on the strut whereby to draw the nose wheel onto the ramp when lowered, and-while remaining in strut-engagement-holding the strut against accidental escape of the nose wheel from the ramp when raised for moving the airplane by the dolly.
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