4. Brakes
  5. Internal-resistance motion retarder
  6. Cylinder structure

Patrice Levallard

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Antivibration supports for helicopter blades, and a helicopter r

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

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Combined ball-and-damper device for a helicopter rotor

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

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Vibration damper, in particular for a helicopter rotor

Brakes – Internal-resistance motion retarder – Cylinder structure
Patent

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Vibration damper, in particular for a helicopter rotor

Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1468135

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