Expandable roll spindles with integral directional control valve

Details Expandable roll spindles with integral directional control valve Expandable roll spindles with integral directional control valve

1989-05-10

1990-07-31

Jillons, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 7524

Patent

active

049444689

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.

REFERENCES:
patent: 3834257 (1974-09-01), Ganser
patent: 3972488 (1976-08-01), Lee et al.

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