An equipment unit according to claim 1, characterized in that said means (19) for transferring the items (6) at a zero relative velocity from said belt (8) to said loading belt (11) includes a rotating mat mounted on a sliding support (10) capable of moving between a position in which said rotating mat is withdrawn beneath the upstream feeding belt (8) to a position from which said rotating mat is moved forward to deposit the items (6) on said loading belt (11), while means is provided to move said sliding support (10) forward or rotate said transfer belt at the same speed as the upstream feeding belt (8), based on the provision of other means capable of rotating said transfer belt at an equal and opposite speed to the sliding speed of the sliding support (10) while the same withdraws beneath the upstream feeding belt (8), so as to dep