Conveyors: power-driven – Conveyor having impinging fluid to feed – shift or discharge... – Having cleaning means
Patent
1998-10-02
2000-08-08
Valenza, Joseph E.
Conveyors: power-driven
Conveyor having impinging fluid to feed, shift or discharge...
Having cleaning means
1984633, 198580, 198 7181, B65G 4522
Patent
active
060987863
ABSTRACT:
A slippable roller conveyor for a class one cleanroom. In one embodiment, the present invention includes a slippable roller conveyor with a surface path for conveying objects that is largely open so as to facilitate the downward flow of air from a clean air source above the conveyor to an evacuator below the conveyor. The slippable rollers include guiding flanges to resist lateral movement of the object being conveyed. The conveyor includes skirts with substantially smooth surfaces and minimal horizontal surfaces that assist in discouraging lateral flow of the clean air. Also, one embodiment of the invention includes a powered transfer mechanism for transferring objects from one conveyor path to another conveyor path. The transfer mechanism is enclosed and evacuated so as to prevent the escape of particulate matter into the cleanroom. The driving mechanism, motor, and electrical components are also contained in evacuated enclosures.
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Brumm Christopher A.
Cramer Christopher L.
Howard Brent R.
Ranc Breton C.
Shuttleworth Inc.
Valenza Joseph E.
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