Section R. 408.12756 - Feed rollsRule 2756.
(1) A feed roll on a planing, molding, sticking, or matching machine shall be guarded by a hood or suitable guard to prevent the hands of the operator from coming in contact with the in-running rolls at any point. The guard shall be fastened to the frame carrying the rolls so as to remain in adjustment for any thickness of stock.(2) Surfacers or planers used in thicknessing multiple pieces of material simultaneously shall have sectional infeed rolls with sufficient yield in the construction of the sections to provide feeding contact pressure on the stock over the permissible range of variation in stock thickness specified or for which the machine is designed. In lieu of the yielding sectional rolls, suitable section kickback finger devices shall be provided at the infeed end.Mich. Admin. Code R. 408.12756