Sheet supply apparatus, sheet supply unit and image forming...

Details Sheet supply apparatus, sheet supply unit and image forming... Sheet supply apparatus, sheet supply unit and image forming...

2009-11-23

2011-10-25

McClain, Gerald (Department: 3653)

Sheet feeding or delivering

Feeding

Separators

C271S030100

Reexamination Certificate

active

08042798

ABSTRACT:
A sheet supply apparatus is provided which controls vertical movement of a sheet support tray so that a position of an upper surface of stacked sheets on the support tray is adjusted to a height located below a separation air outlet, wherein adsorption is possible at the height and so that a fall region, in which a pressure difference with respect to a separation region is generated, is formed below the separation region in which the separation air blasted from the separation air outlet is blasted along the sheet adsorbed on the adsorbent surface.

REFERENCES:
patent: 5088717 (1992-02-01), Hamanaka et al.
patent: 7708264 (2010-05-01), Kosugi et al.
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patent: 2006/0012107 (2006-01-01), Ueda et al.
patent: 2008/0088077 (2008-04-01), Fujita
patent: 2008/0237968 (2008-10-01), Suzuki
patent: 2009/0121411 (2009-05-01), Kosugi et al.
patent: 2010/0209163 (2010-08-01), Suzuki
patent: 2010/0295238 (2010-11-01), Suzuki
patent: 61-254438 (1986-11-01), None

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