Dual mechanism lock
US6513356B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Nov 9, 2001 |
| Grant date | Feb 4, 2003 |
| Priority date | — |
| Expiry date | Nov 9, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/7305
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A dual mechanism lock; a combination lock structure is embedded into a external cylinder by a flexibly moving fixing plate; a combination wheel mechanism comprising a plurality of combination wheels and a latching wheel; the latching wheel can be embedded into the fixing plate; the other end of the fixing plate is coupled to an elastic member at the top portion in the lock body; the lock body is coupled to an external cylinder by the coupling base; an internal cylinder is sheathed into the external cylinder; the internal cylinder includes a lock core, such that the outer end of the external cylinder is a knob; a lock tongue is disposed at the inner end of the external cylinder; the key or the combination lock can produce coupling and detachment for the external cylinder through the lock core of the internal cylinder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.