Combination lock
US12110712B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Dec 27, 2019 |
| Grant date | Oct 8, 2024 |
| Priority date | — |
| Expiry date | Dec 28, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05C3/042
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Disclosed is a combination lock, comprising a rotatable knob capable of relative rotation, a panel, a bolt, and a dial assembly. The dial assembly comprises a base having a movement chamber, a dial shaft, multiple sets of bushings and dials, a position resetting mechanism, a positioning member, and a protection frame The rotatable knob can be rotated relative to the panel to a first position, second position, third position, or fourth position, so as to achieve locking, automatic password resetting, automatic dial position resetting, and manual password setting. The combination lock uses one-time temporary passwords, thereby achieving superior security performance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.