Helicopter rotors
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 21, 1984
Grant Date -
N/A
app pub date -
Nov 9, 1982
filing date -
Nov 19, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A helicopter rotor having a rotor hub and a plurality of rotor blades includes for each blade a blade fold mechanism comprising a reversible rotary power source and a rack and pinion mechanism adapted to operate one or more lock pins and to fold the blades between an operational spread position and a folded position. Two embodiments of the invention are described and illustrated.
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