Sealing cup for hydraulic piston-cylinder device
US4345771A · kind A · utility
4Cited by
9References
8Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 5, 1980 |
| Grant date | Aug 24, 1982 |
| Priority date | — |
| Expiry date | Dec 5, 2000 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/324
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In a sealing or piston cup for maintaining lubricating oil on a sealing surface, the sealing surface thereof is formed with a circumferentially extending angular recess or groove which functions to retain lubricating oil. The sealing cup with the recess can ensure a smooth and stable operation of the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.