Drum brake
US12404907B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 11, 2022 |
| Grant date | Sep 2, 2025 |
| Priority date | — |
| Expiry date | Apr 16, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2066/005
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present application relates to a drum brake, which includes a brake arm; a brake shoe; a base; and a brake torque detection device; the brake shoe is hinged on the brake arm through a brake shoe shaft, the brake arm is provided with a shaft hole penetrating through the brake shoe shaft, and the shaft hole is an oblong shaft hole, and a hole wall at one side of the oblong shaft hole is provided with a wear-resistant strip configured for pressing against the brake shoe shaft during braking of the drum brake; the brake torque detection device includes a sensing plate and a tension and compression sensor arranged on the sensing plate; one end of the sensing plate is connected to the brake shoe shaft, and the other end of the sensing plate is connected to the brake arm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.