Igniter with safety lock
US7029270B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Oct 8, 2003 |
| Grant date | Apr 18, 2006 |
| Priority date | — |
| Expiry date | Nov 6, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23Q2/164
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An igniter (or lighter) having a safety lock includes a housing; a gas supply in the housing and having an outlet valve; a combustion nozzle fluid connected to the outlet valve; a conventional igniter for igniting gas at the outlet nozzle; a finger-operable slider for opening the outlet valve and activating the igniter to ignite the gas when the slider is moved from its rest position; a finger-operable thumbwheel having a lock position for blocking movement of the slider from the rest position, and a spring biasing the thumbwheel to the lock position, wherein movement of the thumbwheel from the lock position is by finger operation in a direction opposite to finger operation of the first movable member from the rest position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.