Patent · US Active

Toroidal bearing

US8794841B2 · kind B2 · utility

1Cited by

3References

5Claims

0Family size

Assignee

Schaeffler Technologies AG & Co. KG · DE

Inventors

Rainer Schroder · Egenhausen, DE
Martin Grehn · Dittelbrunn, DE
Felix Hofbauer · Schweinfurt, DE

Key dates

Filing date	Nov 18, 2011
Grant date	Aug 5, 2014
Priority date	—
Expiry date	Nov 18, 2031

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16C19/26
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A toroidal bearing (1) including a multiplicity of barrel-shaped rolling bodies (7) which roll about a bearing axis (8) between an outer ring (2) having a raceway (3) and an inner ring (4) having a raceway (5) is provided. According to the invention, on a circumferential surface (9) facing away from the raceway (3, 5) thereof, the outer ring (2) and/or the inner ring (4) has at least one lubricating groove (10), wherein the lubricating groove (10) is connected to the raceway (3, 5) via at least one lubricating bore (11).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.