Patent ID: 6676377
Filing Date: 2004-01-13
Classification: B64C,Y02T

Abstract:
A device (3) for the simultaneous locking of a plurality of actuators (1) with a first locking element (5) for each positioning control piston rod (2) of an actuator (1), which locking element (5) coacts with a second locking element (6), the second locking element (6) being fixed in the position direction (15) of the piston rod (2) in a housing (4), and the first locking element (5) further, by means of spring force, can be displaced into a locking position and through an auxiliary force into an unlocking position, whereby a plurality of second locking elements (6) are bound to one another and are operated by a common apparatus (11), wherein the actuators (1) are located in a rotating system of a helicopter in which they serve the purpose of individually controlling the rotor blades of said helicopter and the second locking element (6) are formed, by means of one of V-shaped recesses in a locking ring (11) and in a star shaped element, into which the first locking elements (5) engage, upon the displacement of one of the locking ring (11) and of the star shaped element.