Drum brake shoe with vibration damping supports
US11739804B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 18, 2020 |
| Grant date | Aug 29, 2023 |
| Priority date | — |
| Expiry date | Jul 25, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2250/0007
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A brake shoe for a drum brake includes a unitary body defining a brake table and one or more webs supporting the brake table. Each web has first and second ends. The first end is configured for pivotally coupling to an associated brake spider of the drum brake and the second end is configured to respond to a force applied by an actuator that causes the brake shoe to move between positions of engagement and disengagement with an associated braking surface. The unitary body further defines one or more supports extending between the two webs and/or between one of the webs and the brake table. In some embodiments, the supports comprise vibration dampers configured to deflect from an unloaded position to a loaded position in the presence of a load and to return to the unloaded position in the absence of the load.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.