Cylinder lock and auxiliary locking mechanism
US8186194B2 · kind B2 · utility
14Cited by
43References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2009 |
| Grant date | May 29, 2012 |
| Priority date | — |
| Expiry date | Feb 20, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/7944
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A tumbler pin lock includes an auxiliary locking mechanism including an auxiliary locking pin to provide enhance locking in addition to the locking provided by the tumbler pins so that the lock remains locked even if the tumblers are picked or bumped into their unlocked positions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.