Ring gear positioner
US4158972A · kind A · utility
18Cited by
5References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 21, 1978 |
| Grant date | Jun 26, 1979 |
| Priority date | — |
| Expiry date | Feb 21, 1998 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H1/46
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In a double planetary reduction final drive gearing arrangement for vehicles, a composite ring gear including two ring gear segments, and means for positioning and mounting the ring gear segments in the gearing arrangement, the composite providing a stepped reduction gear ratio and manufacturing economies and advantages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.