Adjustable device for exhaustion and/or supply of gas
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United States of America Patent
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-
Jun 18, 1996
Issued Date -
N/A
app pub date -
Apr 3, 1995
filing date -
Aug 26, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An adjustable device for exhaustion and/or supply of gases and gas supported particles, the device comprising at least one exhaustion and/or supply conduit which is pivotable in at least a vertical direction, whereby at least one force-producing balancing device is provided for balancing the exhaustion and/or supply conduit. In order to provide at such an adjustable device that the balancing device generates balancing forces which correspond with the correct balancing requirement, the force-producing balancing device cooperates with a compensating device which compensates for the differences between the balancing force that the force-producing balancing device exerts on the exhaustion and/or supply conduit and the force required for balancing the exhaustion and/or supply conduit in substantially all its positions.
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