the basket and serves as the lifting location for the basket since this lifting rod is attached to the upper members 24 the upper members must be substantial structural members in order to be able to support and lift the considerable weight of the entire basket therefore these members 24 have a rather large cross section and in particular a rather large vertical dimension as shown most clearly in fig2 with these members 24 extending a substantial distance along the sides of the plates as can be seen in these fig1 and 2 there is a gap between the side edges 30 of the plates 14 and the side periphery of the basket as defined by the outside surface 32 of the radial top and bottom side members 24 this gap can be seen in fig3 which is a plan view of a small section through one sector shaped compartment of a rotor showing a portion of a prior art basket module 10 according to u s pat no 5 485 877 in position between the rotor diaphragms 34 these basket modules are sized and shaped such that the angle of the sector is smaller than the complimentary angle of the basket whereby the outboard end of each basket contacts the diaphragms before the contact of the.