Gas bearing roll shell assembly with selective drive means

Details Gas bearing roll shell assembly with selective drive means Gas bearing roll shell assembly with selective drive means

1976-06-18

1977-06-21

Peters, Jr., Joseph F.

Cutlery

308122, F16C 1716

Patent

active

040307840

ABSTRACT:
A gas bearing roll shell assembly comprises an outer rotatable roll shell carried on an externally pressurized gas bearing between the roll shell and a stationary axle. The roll shell has end rings, one of which has turbine buckets recessed into its bore. The axle carries a valve body having part-chordal passages aligned with the turbine buckets and a rotatable valve for selectively driving the roll shell in one direction or the other. In a modified form, selection is limited to driving in a single direction by a pin and slot arrangement. The assembly is especially useful as an overrun roller in textile machinery involving the high speed transport of threads, yarns or the like.

REFERENCES:
patent: 3374039 (1968-03-01), Voorhies
patent: 3527510 (1970-09-01), Christiansen
patent: 3645590 (1972-02-01), Bird et al.

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