Apparatus for transferring sheet

Sheet feeding or delivering – Feeding – By means to convey sheet

Reexamination Certificate

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Details

C198S689100, C198S811000

Reexamination Certificate

active

07854429

ABSTRACT:
The present invention is directed to providing an apparatus capable of transferring a sheet while reducing wear and using a relatively small driving force. The present invention is also directed to providing an apparatus capable of effectively obtaining a vacuum suction force with a simple structure. An apparatus1for transferring a sheet according to the present invention comprises a conveyer belt30provided with a plurality of vacuum suction holes30cfor allowing the belt member to vacuum-suck a sheet using an evacuation mechanism12, a belt support member8having a plurality of evacuation passages8ccommunicated with the vacuum suction holes, and a sheet support member4adapted to support the sheet in such a manner as to define an interspace between an uppermost region of an outer peripheral surface of the conveyer belt and a bottom surface of the sheet when the evacuation mechanism is in a deactivated state, whereby, when the evacuation mechanism is in an activated state, an air in the interspace S between the conveyer belt and the sheet D is evacuated from the vacuum suction holes and through the evacuation passages, so that the conveyer belt is displaced upwardly by a resulting vacuum suction force to transfer the sheet while vacuum-sucking the sheet.

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Extended European Search Report for European patent appln. No. 09000099.3 (Mar. 6, 2009).

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