Changeable combination lock for desk drawers and the like
US4366687A · kind A · utility
38Cited by
2References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 11, 1981 |
| Grant date | Jan 4, 1983 |
| Priority date | — |
| Expiry date | Mar 11, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/7328
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A combination lock and latching mechanism for desk drawers and similar receptacles, formed of a lock unit having plural, coaxial dial wheels and a stack of hubs therefor which are axially movable to decouple them from the dial wheels for changing the combination, together with a tiltable fence member and a vertically reciprocative locking bolt controlled thereby and by an operating lever accessible from in front of the lock, the lever also being operative to cause disengagement of the wheel hubs from their dial wheels in a predetermined condition of the lock for changing the lock combination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.