Fixed type constant velocity universal joint
US9243671B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2010 |
| Grant date | Jan 26, 2016 |
| Priority date | — |
| Expiry date | Nov 29, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2003/22309
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A fixed type constant velocity universal joint includes an outer joint member, an inner joint member, a plurality of balls for transmitting torque provided between track grooves of the outer joint member and track grooves of the inner joint member, and a cage for retaining the balls. Grease is enclosed in the fixed type constant velocity universal joint which includes a thickener and a lubricant component which is constituted by base oil. The grease contains 90% by mass or more of paraffinic mineral oil with respect to the total mass of the lubricant component of the grease, and 3 to 8% by mass of the thickener with respect to the total mass of the components of the grease.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.