Patent · US Active

Linear actuator and manufacturing method

US12044295B2 · kind B2 · utility

0Cited by
1References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 9, 2023
Grant dateJul 23, 2024
Priority date
Expiry dateJan 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.