Cylinder lock and key system
US10890011B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 8, 2017 |
| Grant date | Jan 12, 2021 |
| Priority date | — |
| Expiry date | Oct 4, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05B27/0053
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A cylinder lock and key system. The plugs comprise a housing having a cylindrical bore; and a cylindrical plug which is rotatable and which exhibits a front end and a keyway. The keys comprise a key bow; and a key blade is rotatable about the rotational axis when inserted. The plugs and keys are provided with cooperating stop surfaces for defining the fully inserted position of the keys. At least one first stop surface is in contact with a corresponding second stop surface when a key is inserted in the keyway of a lock. At least two first stop surfaces of each key are arranged adjacent each other and at least two second stop surfaces of each lock are arranged adjacent each other, at or in proximity to the keyway. A cylinder lock and key combination, a key, a key blank and a cylinder lock are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.