COUPLING MECHANISM BETWEEN A MANUAL FLIGHT-CONTROL MEMBER AND A TRIM JACK ON AN AIRCRAFT

COUPLING MECHANISM BETWEEN A MANUAL FLIGHT-CONTROL MEMBER AND A TRIM JACK ON AN AIRCRAFT

A coupling mechanism between a control member (1′) that generates manual flight commands and a trim actuator (4) forming part of a mechanical transmission train for transmitting flight commands in an aircraft. The coupling mechanism comprises axial engagement means between a lever arm (3) mechanical...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Lebernicheux, Brice, LE-Gall, André
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
AEROPLANES
AIRCRAFT
AVIATION
BLASTING
BRAKES
CLUTCHES
COSMONAUTICS
COUPLINGS FOR TRANSMITTING ROTATION
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
HELICOPTERS
LIGHTING
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
THERMAL INSULATION IN GENERAL
TRANSPORTING
WEAPONS
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Beschreibung
Zusammenfassung:A coupling mechanism between a control member (1′) that generates manual flight commands and a trim actuator (4) forming part of a mechanical transmission train for transmitting flight commands in an aircraft. The coupling mechanism comprises axial engagement means between a lever arm (3) mechanically connected to the control member (1′) and a pivot shaft (10) forming part of the trim actuator (4). The axial engagement means comprise co-operating interlocking members (13, 14) arranged on coupling members (18, 19) constrained to move in rotation respectively with the lever arm (3) and with the pivot shaft (10). Each of the coupling members (18, 19) includes axial passages (26) enabling the other coupling member (18, 19) to pass axially therethrough. An interruption of said axial engagement causes the coupling members (18, 19) to move axially one through the other under the effect of axial thrust (P) exerted by elastically deformable means (15) used for obtaining said axial engagement.