Asymmetric drag force bearings
US10024366B2 · kind B2 · utility
12Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2014 |
| Grant date | Jul 17, 2018 |
| Priority date | — |
| Expiry date | Apr 23, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/183
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An asymmetric bearing device automatically decreases, without the need for manual adjustment, an amount of friction exerted against rotation of a drum or other mechanism upon reversal of the direction of rotation of the drum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.