Main helicopter drive
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United States of America Patent
Stats
-
Apr 21, 1987
Grant Date -
N/A
app pub date -
May 10, 1985
filing date -
May 14, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Main helicopter drive for transmitting drive to the countershaft even when the main shaft connected to the rotor is idle, and on which a sleeve, turned by a drive shaft and connected by gears to the countershaft, supports in rotary and axially-sliding manner, an inner tubular body angularly integral with the main shaft; an actuator being connected to the said tubular body for moving it between a normal position, in which the said tubular body is connected to the said sleeve by a freewheel on the latter, and a position in which the said freewheel engages the outer casing of a bearing fitted on to the said tubular body.
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