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US 6,854,724 B2Granted
Pneumatic sheet transportation
AssigneeSilverbrook Research Pty Ltd
InventorDavid William Jensen
Life of this patent
Estimating the term…
Abstract
A method of separating a sheet of print media from a stack of sheets, the sheets being porous, includes blowing fluid on to a top surface of a topmost sheet of the print media on the stack so that the fluid passes through at least the topmost sheet of the stack and capturing at least a part of the topmost sheet for conveyance to a printing station of a printer.
Claims5
An apparatus for separating a sheet of porous material from a stack of said sheets, comprising:
- a receptacle to hold sheet material in a stack;
- a pick up mechanism;
- a gaseous pathway having an opening into said pick up mechanism;
- and
- control mechanism to firstly supply a gaseous flow through said flow pathway onto the uppermost sheet of said stack, so as to penetrate said porous sheet and separate said sheet from the stack, and to secondly reverse the flow of air through the said flow pathway to hold said uppermost sheet against the said pick up mechanism, and to then move said pick up mechanism to move said captured sheet to a feeder mechanism.
2 more elements
Dependencies are inferred from the claim text.