Clutch friction disc with predamper
US4860871A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 18, 1988 |
| Grant date | Aug 29, 1989 |
| Priority date | — |
| Expiry date | Feb 18, 2008 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F15/1238
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A clutch friction disc has a hub and a support for friction linings which are mounted for limited relative angular movement. Two torsion damping devices control said angular movement, comprising a predamper and a stronger principal damper. The predamper comprises an annular plate equipped with displacement springs between two guiding washers and for axial connection between these washers there are provided elastic tongues originating from one of the plates and arranged to clip onto the other, these clipping tongues passing radially to the outside of the annular plate and alternating around the periphery with spacing lugs. These clipping tongues serve only for the preassembly of the predamper and subassembly in which there is also incorporated a spring for damping the oscillations of the predamper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.