Apparatus for automatically unstacking of trays from a vertically extending interlocking stack thereof
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United States of America Patent
Stats
-
Aug 11, 1998
Grant Date -
N/A
app pub date -
Jan 21, 1997
filing date -
Jan 21, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus for separating stacks of detachably interlocking totes or trays one at a time by removal at the uppermost tray for processing thereof such as cleaning, sanitizing or otherwise refurbishing. The apparatus includes an elevating platform for maintaining the position of the uppermost tray in a stack thereof at a pre-specified vertical position defined by a sensing device such as a photocell. A tray gripping apparatus having a pivot arm and a gripping head is adapted to selectively grasp the uppermost tray from the top of a stack while at the same time a stack returning device is adapted to clamp the remaining portion of the stack downwardly. The tray is removed and moved through a 180 degree arc where it is released at the output station for cleaning or other service. A main beam member is pivotally mounted to the frame to achieve the back and forth pivotal movement for removal of the top tray one at a time from the stack thereof.
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Family
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Cited Art Landscape
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