Driving apparatus and door lock
US11174662B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 22, 2017 |
| Grant date | Nov 16, 2021 |
| Priority date | — |
| Expiry date | Sep 1, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2057/02082
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drive apparatus includes a sun gear, a ring gear, a carrier which supports planetary gears, a drive source which drives the ring gear as an input element, and fixing mechanism which fixes selectively one output element of the sun gear as a first output element and the carrier as a second output element so as not to rotate, and driving force is outputted from the other output element which is other than the one output element of the sun gear and the carrier fixed by the fixing mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.