by members, e.g. grooved, engaging opposite sides of the work and moved relatively to each other to revolve the work

Full Title

Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills (guiding, conveying, or accumulating easily-flexible work in loops or curves B21B41/00; specially associated with cooling-beds B21B43/00; conveying or transporting in general B65G) > Revolving, turning-over, or like manipulation of work, (guides in which work is subjected to permanent internal twisting B21B15/02) > by members, e.g. grooved, engaging opposite sides of the work and moved relatively to each other to revolve the work