Linear actuator and manufacturing method
US12044295B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 9, 2023 |
| Grant date | Jul 23, 2024 |
| Priority date | — |
| Expiry date | Jan 9, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2025/2075
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A linear actuator includes a roller screw nut, a roller screw shaft and a plurality of planetary rollers forming an inverted roller screw mechanism. A bearing supports a rotating part of the linear actuator. The bearing includes a mounting member and a plurality of bearing rollers engaging a first bearing portion of the mounting member and a second bearing portion of the rotating part. The plurality of bearing rollers is axially fixed relative to the rotating part and the mounting member. A manufacturing method for the linear actuator is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.