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US Patent 5172909 - Secondary pivotal drive stacker roller enabling stacking of small and large documents
US Patent Issued on December 22, 1992
Estimated Patent Expiration Date:
December 3, 2011Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
December 3, 2011Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractA secondary pivotal drive stacker roller assembly for a document sorting and conveying apparatus adapted for sorting documents of various lengths, preferably from a primary document path to at least one secondary document path leading to a document stacking station, the roller assembly including a roller oriented for rotation about a vertical axis and for engaging shorter length documents advanced along the secondary document path, a pivot arm for reciprocally pivoting the roller into and out of engagement with documents advanced along the secondary document path, and a control system for controlling the pivot arm to selectively position the roller for engaging the shorter length documents, and to disengage the roller from the secondary document path when longer length documents are to be sorted. | InventorAssigneeApplicationNo. 802049 filed on 12/03/1991US Classes:271/305, Individual diverter for each receiver271/176, Responsive to delivered sheet271/179Screw or helixField of Search271/176, Responsive to delivered sheet271/179, Screw or helix271/199, Operation controlled by delivered sheet271/208, With means to discharge static electricity271/207, To receiver for pack of sheets271/302, By conveyor section movable to direct sheets along alternate paths271/300, By release from conveyor at plural locations271/303, With movable diverter271/305, Individual diverter for each receiver209/552, Condition responsive means controls separating means209/553Cards or sheets separated by rotatable suction drumExaminersPrimary: Dayoan, D. GlennAssistant: Reiss, Steven M. Attorney, Agent or FirmUS Patent References3724657, 3955812, Flat-article separating apparatus for an automatic mail handling system and the likeIssued on: 05/11/1976 Inventor: Suda , et al.4541624, Flat article feeding apparatus Issued on: 09/17/1985 Inventor: Sasage , et al.4875670Floating idler wheel arm assembly for a document transport Issued on: 10/24/1989 Inventor: Petersen, et al. International ClassesB65H 039/10B65H 043/00 |
