Abstract: This device for causing elongated cylindrical objects such as cigarettes delivered in the form of a continuous line to penetrate successive recesses formed in a rotary drum is of the type wherein a transfer device is interposed for accelerating the velocity of translation of the cigarettes in order to separate them from one another while imparting thereto a transverse velocity equal to the peripheral velocity of the drum recesses; this transfer device comprises a single vertical cam of which the operative portion engages the cigarette moving past underneath, when the leading end of the cigarette penetrates into a corresponding recess of the drum. The combined action of the cam and drum cause the cigarette to move transversely and parallel to itself.