Vehicle brake actuator
US10890225B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 20, 2015 |
| Grant date | Jan 12, 2021 |
| Priority date | — |
| Expiry date | Jul 20, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2125/50
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The vehicle brake actuator which includes a screw, a tapped inner casing in mesh with the screw by means of an irreversible connection, an electric motor controlling movement of the screw in relation to the inner casing or of the inner casing in relation to the screw so that said movement actuates a braking element, threaded inner rollers, the inner rollers each being in mesh firstly with the screw and secondly with the inner casing by means of at least one thread, a tapped outer casing, and outer rollers each in mesh firstly with the inner casing and secondly with the outer casing, the outer rollers having at least one thread oriented in the opposite direction to a thread of the inner casing and in the same direction as a thread of the outer casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.