Assembly for and method of gripping sheets of material in an interfolder

摘要: A folding machine includes a first roll with series of the gripper assemblies and tucker uniformly alternately spaced to interact an adjacent second roll. The grip, carry, release material in manner so as generate folded stack material, such sheet material. Each generally rotatable blade, shaft configured rotate spacer disposed between blade shaft, bolt coupling shaft. housing is seals retain lubricated bearings provide rotation assembly prevent contamination bearings.