Self adjusting drum brake actuator with lever and end stop
US5311971A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 30, 1993 |
| Grant date | May 17, 1994 |
| Priority date | — |
| Expiry date | Mar 30, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2125/62
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The drum brake has two shoes (12, 14), each presenting a web (16) and a rim (18) whose face facing the drum receives a friction lining (20). The drum brake is arranged on a support plate (10), and the web (16) of each shoe (12, 14) possesses a notch cooperating with a strut (40) determining the separation of the shoes (12, 14). The strut (40) bears in the neighborhood of one of its ends (50) a pivot (52) on which is articulated an actuating lever (46) extending substantially perpendicular to the support plate (10) through an opening (54) made in the latter in hinged and capable of cooperating with one of the shoes. The actuation of the drum brake is obtained by a simultaneous action and reaction on the actuating lever (46) and on the strut (40).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.