Reverse multi-track ball screw
US12331814B2 · kind B2 · utility
0Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 2020 |
| Grant date | Jun 17, 2025 |
| Priority date | — |
| Expiry date | Sep 2, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H25/2228
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A cam includes a cylindrical ring having a substantially circular outer section and, externally, a helical running track. The ring has a conduit that connects two ends of the external helical running track, and the conduit comprising includes a track for recirculation between the ends of the running track.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.