Bearing having threaded rollers
US11181144B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Nov 27, 2018 |
| Grant date | Nov 23, 2021 |
| Priority date | — |
| Expiry date | Nov 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.