Apparatus and method for locking a firearm to prevent unauthorized use thereof
US7140139B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2002 |
| Grant date | Nov 28, 2006 |
| Priority date | — |
| Expiry date | Jan 19, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF41A17/44
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A firearm lock and a firearm locking method including a key-operated lock, which is lockingly engageable with an interior portion of a firing chamber of a firearm. The lock comprises: a cylinder lock body including a plug rotatable therewithin; an inner multiply grooved generally circular cylindrical portion fixed to or integrally formed with a first end of the lock body; and an outer circular cylindrical portion correspondingly multiply grooved generally circular cylindrical portion, fixed to or integrally formed with the plug for rotation therewith between a locked orientation, wherein grooves on the inner cylindrical portion are arranged out of phase with corresponding grooves on the outer cylindrical portion, and an unlocked orientation, wherein the grooves on the inner and outer cylindrical portions are mutually aligned.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.