Planetary gear drive with clutching assembly
US4649771A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1985 |
| Grant date | Mar 17, 1987 |
| Priority date | — |
| Expiry date | Aug 26, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H3/54
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An overdrive transmission including a rotatable input shaft, a rotatable output shaft, a one-way clutch engageable for establishing a one-to-one drive path from said input shaft to said output shaft, a planetary gear set engaging said input and output shafts, and a clutching assembly including a synchronizing clutch, a positive clutch, and an overdrive brake, said synchronizing clutch being engageable for establishing a one-to-one ratio through said planetary gear set, said positive clutch being engageable for establishing a one-to-one ratio through said planetary gear set, and said brake being engageable for establishing an overdrive ratio through planetary gear set.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.