Patent ID: 7641447

Claim:
A support ( 20 , 24 , 26 ) for a stationary article surmounting a helicopter rotor ( 11 ), which support comprises a hollow structure presenting a longitudinal axis ( 25 ), wherein the hollow structure comprises two hollow parts ( 20 , 24 ) of elongate shape along said longitudinal axis that are designed to be engaged one in the other and to be mutually stressed in twisting along said common longitudinal axis, and wherein two projections ( 62 , 63 ), ribs or splines having pairs of respective side faces ( 62 a , 63 a ) forming said twist abutments are provided on the outside portion ( 24 a ) of the first hollow part ( 24 ), these abutments being spaced apart along the longitudinal axis, and return means in rotation about the longitudinal axis are integrated in the first hollow part and disposed between said two abutments.