Combination cam lock with improved combination change mode
US8234891B2 · kind B2 · utility
14Cited by
18References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2007 |
| Grant date | Aug 7, 2012 |
| Priority date | — |
| Expiry date | Feb 13, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/7599
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Disclosed are apparatus and methodology for providing a resettable manual entry combination and key operated cam lock. Methodologies are provided for enabling changing of the manual entry resettable combination given knowledge of the previous combination and possession of an operable key. In alternative embodiments, provisions are made to prohibit forced opening of the lock by way of the use of foreign objects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.