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US 11,655,849 B2Granted
Unitized liner hangar bearing
AssigneeSchaeffler Technologies AG & Co. KG
InventorDorin Ilie
Life of this patent
Estimating the term…
Abstract
An axial bearing is designed to work in a liner hangar in which radial package space is at a premium. Rollers axially separate two washers. To hold the bearing together prior to installation, a sleeve radially surrounds the rollers and has tabs which fit into circumferential grooves in the washers. The sleeve may be metal or plastic.
Claims10
A unitized axial bearing comprising:
- a plurality of rollers axially separating two washers, each washer having a circumferential groove on a radially outer surface;
- and
- a sleeve radially surrounding the washers and the rollers to radially retain the rollers, the sleeve having a plurality of inwardly directed tabs extending into the grooves of the washers to axially retain the washers;
- wherein the sleeves defines at least one axial cut between respective tabs.
1 more element
A method of fabricating a unitized axial bearing comprising:
- punching a steel sheet to form tabs;
- rolling the steel sheet into a cylinder and welding it to form a sleeve;
- providing two washers, each washer having a circumferential groove;
- forcing the washers axially into opposite ends of the sleeve, the tabs springing into the grooves to axially retain the washers with respect to the sleeve;
- and
- installing rollers between the washers.
3 more elements
Dependencies are inferred from the claim text.