Drive hub having an oil check hole
US6485110B1 · kind B1 · utility
10Cited by
18References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 13, 2001 |
| Grant date | Nov 26, 2002 |
| Priority date | — |
| Expiry date | Aug 13, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2189
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus for determining the amount of lubricant within a housing is disclosed. The apparatus includes a shaft driving the housing about an axis, a number of interior components positioned within the housing, and an opening defined in the housing and centered on the axis. The distance between the a lower edge of the opening and the lowest portion of the housing is proportional to the amount of lubricant displaced by the components. The level of the lubricant within the housing determined relative to the lower edge. A work machine and method are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.