Brake drum
US8905202B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 6, 2012 |
| Grant date | Dec 9, 2014 |
| Priority date | — |
| Expiry date | Mar 7, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2250/0007
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A brake drum which can improve the drag strength, strength and rigidity in the diametrical direction, joint strength, and heat radiating ability, that is, a brake drum which is used for a drum brake, wherein the drum has a plurality of the projections at the outer circumferential surface, the plurality of the projections are formed at the outer circumferential surface as a whole when casting a brake drum, and at least part of the projections have thin-waisted shapes. A height of the projections is 0.3 to 5.0 mm, while the number of projections is 5 to 100/cm2. The brake drum is produced by centrifugal casting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.