Patent ID: 7080832
Filing Date: 2006-07-25
Classification: B65H

Abstract:
1. A sheet material feeder comprising: a sheet material holder for holding a pile of sheet material; a sucker bar device having at least one sucker for contacting the sheet material, the sucker bar device having a pivot axis, and an actuator for pivoting the sucker bar device about the pivot axis and having a first position and a second position, when the actuator is in the first position, the sucker pivoting about the pivot axis from a first angle where the sucker contacts the sheet material by a predetermined angle so that the sucker removes the sheet material from the pile; and when the actuator is in the second position, the sucker pivoting about the pivot axis from a second angle where the sucker does not contact the sheet material; the sucker bar device including a main shaft having the pivot axis and a sucker bar having a sucker bar axis parallel but offset to the pivot axis; and a support extending from the sucker bar, the actuator being supported on the support via retaining springs.