Patent ID: 7815183

Claim:
Device for extracting and feeding sheets comprising: a first tray and a second tray adapted to contain respectively a first ream of sheets and a second ream of sheets, a feeding member driven by a driving mechanism to selectively pick up and drag a sheet one at a time from said first ream of sheets in the absence of the second ream of sheets in said second tray, or from said second ream of sheets in the presence of the second ream of sheets in said second tray, said second tray being positioned between said first tray and said feeding member and comprising a cooperating zone between the first tray and the feeding member, wherein said feeding member comprises: a first portion arranged to be engaged by said driving mechanism, and a second portion arranged to be disengaged from said driving mechanism; wherein said first portion and said second portion are coplanar and determine a feeding position and an idle position, respectively, of said feeding member, and wherein said driving mechanism comprises a rocker mechanism supporting a first gear and a second gear that are coplanar, wherein the rocker mechanism is arranged to oscillate around a fixed axis to engage the first gear or the second gear with the first portion of said feeding member to drive said feeding member in only one direction to selectively pick-up and drag sheets from one of the first and second trays.