Tool operated combination lock
US7712342B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2005 |
| Grant date | May 11, 2010 |
| Priority date | — |
| Expiry date | Jun 24, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/8622
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A process for opening a combination lock having a known opening sequence with a tool having a driven portion operable only upon receipt of an authorization, the process including associating the tool's driven portion with the lock such that the driven portion automatically calibrates with the lock irrespective of the initial position of the lock and authorizing the driven portion to proceed through the known lock opening sequence of a predetermined series of clockwise and counterclockwise rotations to unlock the lock. A method of opening a combination lock with a tool, the combination lock having an opening sequence consisting of clockwise and counterclockwise rotations of a non finger manipulable lock opening component, the method including mating the tool with the lock opening component and operating the tool to rotate the lock opening component through a series of clockwise and counterclockwise rotations corresponding to the opening sequence to unlock the lock.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.