Fluid bearing device
US4573807A · kind A · utility
15Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 29, 1985 |
| Grant date | Mar 4, 1986 |
| Priority date | — |
| Expiry date | Jan 29, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2370/12
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A fluid bearing device including a shaft, a sleeve rotatably supported by the shaft, a thrust bearing plate supported by the sleeve, a radial groove formed on one of an outer periphery of the shaft and an inner periphery of the sleeve, and a spiral groove formed on one of one end face of the shaft and one face of the thrust bearing plate such that the radial groove retains oil, while the spiral groove retains grease containing thickener and base oil identical, in compositions and viscosity, with the oil of the radial groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.