blade control device has variable-pitch turbomachine has cylindrical rod

The invention relates to a variable-pitch blade angle control device for a turbomachine compressor, comprising a rod (14), mounting means for a first end (14a) of the link on a pivot (10) a vane to be controlled, and connection means (18) between a second end (14b) of the link and a control ring (16). The link (14) is of substantially cylindrical shape, its first end (14a) being fitted into a pivot bore (10) of the blade. The device further comprises the first end of gripping means (14a) of the link (14) in the pivot bore to ensure its attachment to said pivot.