rollers 13 a 13 b and card flat bars 14 can 15 and can coiler 16 the directions of rotation of the rollers are shown by respective curved arrows the letter m denotes the midpoint axis of the cylinder 4 the reference numeral 4 a denotes the clothing and 4 b denotes the direction of rotation of the cylinder 4 the letter c denotes the direction of rotation of the revolving card flat 13 in the carding setting and the letter d the return transport direction of the card flat bars 14 referring to fig2 on each side of the carding machine a flexible bend 17 having several adjusting screws is secured laterally to the machine frame the flexible bend 17 has a convex outer surface 17 a and a lower surface 17 b above the flexible bend 17 there is a first slideway 20 for example of anti friction plastics material which has a convex outer surface 20 a and a concave inner surface 20 b the concave inner surface 20 b lies on the convex outer surface 17 a and is able to slide thereon in the direction of the arrows b c each card flat bar which may be constructed in accordance with ep 0 567 747 a1 for example consists of a back part 14 a and a carrier element 14 b the carrier element 14 b has a heel face 14 c two lateral faces 14 d 14 e and two upper faces 14 f 14 g see fig3 each.