Friction material for drum-in-hat disc brake assembly
US6220405A · kind A · utility
10Cited by
25References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 1999 |
| Grant date | Apr 24, 2001 |
| Priority date | — |
| Expiry date | Oct 29, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D69/025
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A drum-in-hat disc brake assembly is disclosed having a drum brake shoe with a friction material comprising a phenolic polymer resin having incorporated into the polymer chain one or more inorganic atom-containing groups selected from the group consisting of a boron-containing group, a phosphorous-containing group, a nitrogen-containing group, a silicon-containing group, and a sulfur-containing group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.