ROLLER COVER
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United States of America Patent
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Issued Date -
Jan 2, 2014
app pub date -
Jun 28, 2012
filing date -
Jun 28, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a roller drive device for use in a deposition system for manufacturing a photovoltaic device having a substrate (12), the roller drive device comprising a roller means (9) and a cover means (1), whereby the roller means is arranged slidable along a roller means axis (11) between a rolling position and a retracting position, whereby the roller means is configured for transporting the substrate in the rolling position, the cover means is arranged slidable along a cover means axis (2) between a shielding position and an opening position, whereby, if the roller means is in the retracting position, the cover means is configured for shielding the roller means against contamination by a substance present in the deposition system in the shielding position, and the roller means axis and the cover means axis are arranged tilted to each other.
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