Loading cam device and friction roller-type speed reducer
US10167932B2 · kind B2 · utility
2Cited by
6References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2014 |
| Grant date | Jan 1, 2019 |
| Priority date | — |
| Expiry date | Feb 11, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2057/087
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Projections protruding towards a cam plate and a disc are provided on both axial side surfaces of the retainer at a plurality of positions at which phases of the projections in the circumferential direction are offset from pockets. One axial direction surface of the cam plate and the disc are formed with concave portions at portions facing the respective projections. The concave portions have an axial depth deepest at a center portion thereof in the circumferential direction and becoming shallower towards both end portions thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.