4. Bearings
  5. Rotary bearing
  6. Plain bearing

Steven J. Spear

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Droop stop mechanism for helicopter rotor blade

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Including movement limit stop or damping means
Reexamination Certificate

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Rotor blade adjustable weight retention system

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Nonmetallic resilient mounting
Reexamination Certificate

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Self-aligning dynamic hinge sleeve

Bearings – Rotary bearing – Plain bearing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2762121

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