Materials handling apparatus
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United States of America Patent
Stats
-
Nov 4, 1986
Grant Date -
N/A
app pub date -
Mar 2, 1984
filing date -
Mar 2, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention relates to apparatus for transporting articles from one location to another by use of vacuum to suspend them from the underside of a perforated conveyor belt as it moves along the apertured underside of a vacuum box. Embodiments include a vertically actuable flat plate having a compressible bottom surface positioned within the box, whereby upon actuation of the plate downwards, vacuum acting through the apertures of the underside of the vacuum box may be interrupted and a slight positive pressure introduced into the apertures, to effectuate release of suspended articles.
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