Importance

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Abstract

Apparatus for treating printed circuit boards or other items is provided, wherein a drying apparatus is specifically provided, generally for use as part of a cleaning or other treatment apparatus, but which can be separately provided, if desired. The drying apparatus employs preferably warm air discharge tubes, for drying items of varying thicknesses, and/or that have varying thicknesses of components mounted thereon. Generally, the printed circuit or other items are carried through the apparatus between upper and lower foraminous conveyor belts, with one of the belts, conforming to the varying thicknesses of the items, or components carried by the items. While some of the air discharge tubes may be stationarily mounted, at least some of them are pivotally mounted, such that their discharge opening zones can slide along and conform to variations in thickness. The discharge tube will pivot in response to the varying thicknesses. The pivotal motion of the tube may be provided with a means for balancing the same.

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First Claim