Expandable roll spindles with integral directional control valve
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United States of America Patent
Stats
-
Jul 31, 1990
Grant Date -
N/A
app pub date -
May 10, 1989
filing date -
May 10, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved rotatable and expandable spindle assembly, which is adapted for cantilever mounting in and on a machine base. The spindle assembly has an integrally mounted multi-ported directional control valve for point of use operation. The valve is connected to a constant supply of a pressurized medium and is mounted at and on the free end of the spindle assembly. The spindle and valve arrangement is adapted for a rapid expansion or collapsing of the spindle when and as desired by an operator.
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