Cylinder lock
US11286691B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2017 |
| Grant date | Mar 29, 2022 |
| Priority date | — |
| Expiry date | May 9, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C2009/00634
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The cylinder lock according to the invention includes a body and, inside it, an inner cylinder unit provided with an inner cylinder. The cylinder lock also includes a generator for generating electricity from the movement of a key inserted in the cylinder lock. The electricity generated is used to identify the key, and the electricity generated is also used in the electric device if opening the cylinder lock is allowed on the basis of the identification of the key. In connection with the generator are also generator shaft system, a channel axis and transmission parts from the channel axis to the generator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.