Importance

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Abstract

A long arm for an aircraft turnaround apparatus mounted at one end to the floor of an aircraft hanger for swinging about a vertical axis causing a nose-wheel carriage at the free end of the arm to follow a semicircular path. The nose-wheel of an incoming aircraft runs onto the carriage such that its imaginary lateral rotation axis is practically coincident with the arm axis so when the arm swings, the aircraft's ground supported landing gear traces a semicircle. The carriage has a chock bar which stops the aircraft from overtraveling the carriage. One chock bar version requires manual insertion and removal and another automatically latches in the stopping position but is unlatched by an aircraft leaving the carriage after which a spring restores the chock to the latched position. An optional spring system can restore the arm and carriage to a nose-wheel receiving position after a turned around aircraft has departed. A device is fastened to the hanger floor such that the oncoming carriage engages it upon approaching its final nose-wheel receiving position. The device gradually retards the rotational movement of the arm and carriage and finally stops their movement.

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First Claim