Cylinder lock
US5542274A · kind A · utility
72Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 1994 |
| Grant date | Aug 6, 1996 |
| Priority date | — |
| Expiry date | Sep 21, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/7621
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A cylinder lock (1) comprises a lock cylinder (2) and a key-operated cylinder plug (3). A latching element (10) is located in the region of the boundary surface between the lock cylinder and the plug and is activated by an electrically actuable blocking element (11) which is movable between a release position and a blocking position. The plug cannot be turned by means of the key when the blocking element is in its blocking position. The latching element (10) has a length which is slightly shorter than the axial length of the plug (3).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.