Multiple plate clutch
US9631679B2 · kind B2 · utility
1Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2014 |
| Grant date | Apr 25, 2017 |
| Priority date | — |
| Expiry date | Mar 28, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2023/123
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In a multiple plate clutch having a main spring which is provided between a clutch center fixed in an axial direction and a pressure plate displaceable in the axial direction and presses plural clutch plates in a clutch engagement direction, and a lifter plate for lifting the pressure plate in a clutch release direction, a sub spring for urging the pressure plate in the clutch engagement direction through the lifter plate is provided between the clutch center and the lifter plate, and the lifter plate is lifted by a predetermined amount or more to cut off the urging force of the sub spring to the pressure plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.