Abstract: The disclosed device allows individual transfer of flat objects from an input conveyor on which the objects move in a same plane according to a given direction into receptacles moving at right angles with respect to the direction. It is comprised of a sequentially driven reception conveyor intended to receive one by one the objects resting in a position slightly inclined with respect to the vertical, and a transfer member moving in synchronism with the conveyor in order to transfer to an injection position towards a receptacle the lower edge of an object resting on the reception conveyor. The device may be used in a postal sorting machine.