Vacuum platen transport plenum vacuum shutter

作者: Robert P. Siegel , William Brant

DOI:

关键词: Plenum spaceElectrical engineeringSeal (mechanical)ShutterEngineeringMechanical engineeringTrayMechanism (engineering)

摘要: A mechanism for shuttering of vacuum ports a platen transport (VPT) plenum in correspondence with the size documents being transported from document tray recirculating handler. The is coupled to movable side guide and includes flexible coiled tape mounted respect VPT such that movement causes seal off slots within are not located beneath documents.

参考文章(3)
Clyde C. Tendick, Paul V. Osborn, Plastic film air table conveyor ,(1987)
William C. Wilson, David B. Anderson, Control valve for vacuum sheet feeding apparatus ,(1977)