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Outboard centrifugal force bearing with inboard blade fold axis in a folding rotor blade assembly

  • US 10,640,205 B2
  • Filed: 12/18/2017
  • Issued: 05/05/2020
  • Est. Priority Date: 12/18/2017
  • Status: Active Grant
First Claim
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1. A folding rotor blade assembly for a tiltrotor aircraft, comprising:

  • a drive mast connected to a hub spring assembly;

    a yoke connected to the hub spring assembly;

    an inboard bearing assembly connected to the yoke proximate the hub spring assembly;

    an outboard bearing assembly, including an outboard centrifugal force (“

    CF”

    ) bearing, connected to the yoke;

    a grip connected to the inboard bearing assembly; and

    a rotor blade connected to the grip at a pivotal connection positioned inboard of the outboard CF bearing.

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