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US 3,973,811 AGranted
Ball bearing rollers for ring spinning machines
OwnerJohn Michael Noguerainventor
Life of this patent
Estimating the term…
Abstract
Ball bearing roller unit for a ring spinning machine comprising a pair of hollow rollers mounted on a common spindle with a pair of bearings within each roller including caged bearing elements, each partially contained in an inner track formed in the spindle and in an outer track formed in the inner surface of the roller.
Claims6
A ball bearing roller unit for a ring spinning machine and the like, comprising a pair of hollow rollers mounted, spaced from one another, on a common spindle;
- first seals serving to close the inner ends of said rollers, said spindle being formed to permit displacing said first seals along said spindle from positions between said rollers and clear thereof to roller-closing positions;
- a pair of bearings within each of said rollers, spaced apart axially of the latter, and each including bearing elements with cages;
- said elements being partially contained in an inner track formed in said spindle and in an outer track formed in the inner surface of said rollers;
- and second seals serving to close the outer ends of said rollers;
- said cages having pockets, one for each of said bearing elements, that are all open to one common side of said bearings;
- wherein said spindle is of a constant diameter save for said tracks;
- that is said spindle has at no point along its length a diameter greater than that in the vicinity of said bearings.
4 more elements
Dependencies are inferred from the claim text.