U-joint seal
US9695881B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 28, 2016 |
| Grant date | Jul 4, 2017 |
| Priority date | — |
| Expiry date | Jun 28, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2361/41
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A universal joint includes a trunnion including an annular recess in an outer surface. A bearing cup is disposed on the trunnion and includes an inner diameter surface having a retention recess therein. A needle bearing assembly is disposed between an outer surface of the trunnion and the inner diameter surface of the bearing cup. A seal assembly is disposed at an open end of the bearing cup and includes a seal support insert including a radially outwardly protruding retention member engaged with the retention recess of the bearing cup. An elastomeric seal is molded to the seal support insert and includes a plurality of radially inwardly extending seal lips engaging the outer surface of the trunnion and a dust lip extending axially from the seal support insert and including a dust lip retention feature received in an annular recess of the trunnion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.