Patent ID: 7931261
Filing Date: 2011-04-26
Classification: B65H,Y10T

Abstract:
1. A signature hopper comprising: a first drum having a first gripper for a lead edge of a folded signature; a second drum having a second gripper for an open edge of the folded signature, the second gripper having a gripper finger with an end curled in a direction of rotation of the second drum; a dipper blade mounted on a fixed pivotable axis adjacent to the first and second drums, the dipper blade pushing the open edge from the first drum toward the gripper finger as the signature contacts the end of the gripper finger; and a stationary signature guide spaced with respect to the first drum, the signature contacting the signature guide as the first drum rotates the signature past the signature guide, the signature guide having an adjustable end in a direction of rotation of the first drum circumferentially spaced from the dipper blade by an angle, the end of the signature guide being adjustable circumferentially to set the angle.