Clutch friction button
US6478130B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2000 |
| Grant date | Nov 12, 2002 |
| Priority date | — |
| Expiry date | Jan 16, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2300/12
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A clutch button is provided including a friction pad having first and second surfaces. The friction pad has a radial outer and inner edges. The friction pad also has first and second upper outward circumferential edges adjacent to the radial outer edge. The friction pad has first and second lower outward circumferential edges adjacent to the radial inner edge. The friction pad has first and second inward circumferential outer edges joining the respective first and second outward upper and lower circumferential edges. The friction pad has a first groove formed in the first surface extending from the first upper outward circumferential edge to one of the second upper and lower outward circumferential edges. A second groove is formed in the first surface extending from the first lower outward circumferential edge to the other one of the second upper or lower circumferential edges the first groove does not extend to. A backing plate is bonded to the second surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.