Brake disk with built-in acoustic wear-warning device
US5662192A · kind A · utility
11Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 1996 |
| Grant date | Sep 2, 1997 |
| Priority date | — |
| Expiry date | Apr 25, 2016 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2069/0466
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A disk brake comprising a disk (1) which carries on each side a secondary friction layer (7) to which a primary friction layer (6) is affixed, wherein the friction layers (6, 7) are actuable by brake shoes (4, 5), wherein when at least one of the primary friction layers (6) is worn away contact between the secondary friction layer (7) and respective brake shoes (4, 5) will give rise to an indicating sound, and wherein cooling grooves (9) are provided in the primary friction layer (6), wherein each cooling groove (9) extends at least through the full thickness of the primary friction layer (6).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.