Heavy duty brake drum wear indicator
US9103394B2 · kind B2 · utility
4Cited by
20References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 12, 2010 |
| Grant date | Aug 11, 2015 |
| Priority date | — |
| Expiry date | Feb 25, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2065/1332
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A brake drum is disclosed which is configured for providing an external visual indication of braking surface diameter safe operating limits while installed on a vehicle and includes one or more indentations in its outer surface overlaying the area defined by the interior braking surface where the depth of an indentation is at least co-level with a prescribed safe operating diameter of the braking surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.