Planetary gear assembly with floating ring gear
US6017289A · kind A · utility
7Cited by
16References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 21, 1998 |
| Grant date | Jan 25, 2000 |
| Priority date | — |
| Expiry date | Jul 21, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G2203/14
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A propelling and/or steering mechanism uses a planetary gear set and ring gear arrangement, in which the ring gear "floats" upon the planetary gear set, free of a center hub and a bearing connection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.