Blade having an integral cuff, and a rotorcraft rotor...

Details Blade having an integral cuff, and a rotorcraft rotor... Blade having an integral cuff, and a rotorcraft rotor...

2007-03-14

2010-10-12

Look, Edward (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Articulated, resiliently mounted or self-shifting impeller...

Nonmetallic resilient mounting

C416S136000

Reexamination Certificate

active

07811061

ABSTRACT:
A rotorcraft blade is provided having at least one spar and an outer covering. At the root of the blade, the spar is subdivided into at least one bottom tape and at least one top tape. The blade further includes a hollow cuff whose outer wall includes the outer covering secured to the bottom and top tapes.

REFERENCES:
patent: 3476484 (1969-11-01), Brunsch
patent: 4304525 (1981-12-01), Mouille
patent: 4592701 (1986-06-01), Hahn et al.
patent: 0 362 117 (1990-04-01), None
patent: 909 617 (1962-10-01), None

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