The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 21, 2022
Filed:
Aug. 03, 2020
Aktiebolaget Skf, Gothenburg, SE;
Philip Engelen, Utrecht, NL;
Marco Gemello, Nichelino, IT;
Francesco Lamboglia, Pinerolo, IT;
Giorgio Missiaggia, Trieste, IT;
Abstract
Bearing unit provided with at least one ring of rolling bodies and, for retaining the rolling bodies, at least one retaining cage which has a cage bar, a plurality of circumferentially spaced cage arms that extend from one side of the cage bar, and a plurality of partially spherical cavities for retaining the rolling bodies; contact points between the rolling bodies and the cage being positioned in the vicinity of a polar region of each rolling body. The minimum number of contact surfaces for containing the rolling bodies in the direction of rotation of the bearing and ensuring contact only in the polar region is equal to two for each rolling body, namely one upper contact surface and one lower contact surface.