Tip for a roll-up device for winding material such as tarpaulins, specially for vehicles

The end piece for ensuring the connection between the winding device transmission shaft (4) and the winding shaft (2) comprises a first end (3) engaging the transmission shaft end and a second end (5) engaging the winding shaft end. The second end comprises a connection (6) for fitting the winding shaft end so as to transmit the rotational movement from the transmission shaft to the winding shaft. The connection is composed of a hollow part (7) having an interior wall (8) complementary to the winding shaft end exterior wall (9). An Independent claim is included for a winding device.