Conveyors: power-driven – Conveyor section – Load simultaneously engaged between and moved by a plurality...
Reexamination Certificate
2007-09-11
2008-10-14
Deuble, Mark A (Department: 3651)
Conveyors: power-driven
Conveyor section
Load simultaneously engaged between and moved by a plurality...
C198S817000, C198S604000, C198S465300
Reexamination Certificate
active
07434678
ABSTRACT:
A transport system includes a curved conveyance section configured to move an article along a curved path without significantly slowing or stopping. Exemplary articles for conveyance include semiconductor wafers and substrates for display devices and photovoltaic devices. In some embodiments, the conveyance section includes a turnstile wheel including an interior surface and an exterior surface. The external surface is configured to guide an exterior belt that in turn supports one side of the article around the conveyance path. The internal surface is configured to either support an opposing side of the article, or guide an interior belt that in turn supports the article around the conveyance path. Instead of employing a turnstile wheel, other embodiments employ interior and exterior supports for supporting opposite ends of the article, such as interior and exterior belts, that move at essentially the same angular rate along the inside and outside of the conveyance path.
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Davidson Benjamin T.
Kitazumi Barry
Aquest Systems Corporation
Carr & Ferrell LLP
Deuble Mark A
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