Linked chain with improved sealing rings
US4201393A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 4, 1978 |
| Grant date | May 6, 1980 |
| Priority date | — |
| Expiry date | Oct 4, 1998 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16G13/06
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A chain having a number of link units each of which includes a pin connecting a pair of outer link plates and a bush connecting a pair of inner link plates, between which a lubricating oil is held and sealed with a sealed ring interposed between the outer and inner link plates. The sealing ring is provided at either of the inside or outside ends thereof with lips of a V or T-shaped cross-section and at the other end with a thick body of a large volume. The pin is provided with oil reservoir recesses on the outer peripheral surface spaced apart from a load point at which the pin and bush are substantially in contact with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.