Helicopter blade
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 26, 1993
Grant Date -
N/A
app pub date -
Apr 5, 1991
filing date -
Apr 6, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A helicopter blade having a connecting device made of composite synthetic material for connecting it to the hub of a rotor via a spherical joint comprising a rod housed inside a tubular portion of the connecting device; the rod being connected to the tubular portion by two diametrical through bolts offset along the rod, and the connecting device comprising, for each of the four holes engaged by the aforementioned bolts, a substantially axial strap of composite material looped about the respective hole.
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