Patent · US Active

Bearing having threaded rollers

US11181144B2 · kind B2 · utility

0Cited by
8References
14Claims
0Family size

Inventor

Key dates

Filing dateNov 27, 2018
Grant dateNov 23, 2021
Priority date
Expiry dateNov 27, 2038

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16C2300/00
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A rolling bearing mechanism comprising a rod (110), an outer ring (130) surrounding the rod coaxially, and rollers (120) interposed between the rod (110) and the outer ring (130), with the rod, the outer ring, and the rollers each having a respective right-handed thread and a respective left-handed thread, the left-handed threads (122a) of the rollers meshing with the right-handed thread (112a) of the rod and with the left-handed thread of the outer ring, and the right-handed threads (122b) of the rollers (120) meshing with the left-handed thread (112b) of the rod (110) and with the right-handed thread of the outer ring (130).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.