Labyrinth grease hub seal
US6834859B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 31, 2003 |
| Grant date | Dec 28, 2004 |
| Priority date | — |
| Expiry date | Jan 31, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2326/43
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present invention provides a labyrinth sealing assembly for placement between a shaft and a bearing housing comprising an annular stator having a body portion, an axially inner engagement surface, an axially inner extending portion extending from a radially outer end of the stator, an axially inner extending member extending from a radially inner end of the stator, and a keeper lip extending radially outward from the axially inner extending surface of the radially inner end of the stator, and an annular rotor having an axially outer engagement surface having a plurality of wear ridges on a radially outer engagement surface, and a keeper notch arrangement on a radially inner surface comprising a recess. The keeper lip engages the keeper notch to provide a snap fit between the rotor and stator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.