Rotating pin tumbler side bar lock with side bar control
US6477875B2 · kind B2 · utility
84Cited by
11References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2001 |
| Grant date | Nov 12, 2002 |
| Priority date | — |
| Expiry date | Oct 19, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/7621
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A twisting tumbler lock with a side bar is provided with additional levels of security by a axially reciprocable slider which is normally positioned to block operation of the side bar but is moved by a specially configured key to free operation of the side bar. This provides a third level of locking security, it also allows master keying. The unique key has a portion of a rib formed to cooperate with the slider to further allow key control.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.