Extending bent shaft flap drive

Details Extending bent shaft flap drive Extending bent shaft flap drive

1989-07-31

1992-11-10

Steinberger, Brian S.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244213, B64C 916

Patent

active

051617579

ABSTRACT:
Novel means for deploying airplane wing flaps feature a bent shaft which is translatable fore and aft in the fairing cavity. The shaft has an adjacent follower member which travels in a concentric curved flap track to rotate shaft as it extends. The bent shaft has a support ball fitting and end roller which provide flap deflection with respect to the fixed wing as the shaft is extended aft and rotated. The subject flap deployment means are mechanically elegant resulting in lower manufacturing and installation cost and high reliability.

REFERENCES:
patent: 2670909 (1954-03-01), Replogle
patent: 3126173 (1964-03-01), Alvarez-Calderon
patent: 3721406 (1973-03-01), Hurbert

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