Material or article handling – Movable rack having superposed – charge-supporting elements,... – Wheeled rack
Reexamination Certificate
2008-04-30
2009-11-24
Mackey, Patrick H (Department: 3653)
Material or article handling
Movable rack having superposed, charge-supporting elements,...
Wheeled rack
C414S331060
Reexamination Certificate
active
07621710
ABSTRACT:
The present invention provides a work sheet conveying and housing system which can efficiently convey and house work sheets and which, in a housed condition, prevents formed parts of the work sheets from being crushed. The work sheet conveying and holding system includes a work sheet stocker4and a work sheet conveying device2. The work sheet stocker4has trays34in a plurality of stages the position of which can be switched between an inner position A where the trays34are housed in a tray housing portion32in a stocker frame30and an outer position B where the trays34are drawn out of the tray housing portion32. The work sheet conveying device has work sheet holding means20capable of holding a work sheet W2, and moving means having a function of moving the work sheet holding means20parallel to a position switching direction corresponding to a direction in which the trays are drawn out. The moving means moves the work sheet holding means20parallel to the position switching direction to switch the position of the uppermost one34of the trays34in the plurality of stages located at the outer position B, to the inner position A and to position the work sheet holding means20above a tray located one stage below the uppermost tray34.
REFERENCES:
patent: 2004-123276 (2004-04-01), None
patent: 2006-341969 (2006-12-01), None
patent: 2006341969 (2006-12-01), None
Hogan & Hartson LLP
Mackey Patrick H
Murata machinery, Ltd.
Suarez Ernesto
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