Utility lighter
US6592362B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 5, 2001 |
| Grant date | Jul 15, 2003 |
| Priority date | — |
| Expiry date | Jun 5, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23Q2/164
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A two-stage safety arrangement for a cigarette lighter of the piezoelectric type having a case that houses a flammable liquid container, gas release mechanism, and piezoelectric ignition element. The safety arrangement includes an ignition cover that covers the gas release mechanism, a striking lever, and a release button. To operate the lighter, a user must first depress the release button and use an upward movement to release the ignition cover and reveal the gas release mechanism. Next, the user must simultaneously depress the release button and push the striking lever rotatably downwards and away from the gas release mechanism in order to actuate the piezoelectric ignition element. Use of both hands to depress the release button and pry back the striking lever from above, near the gas release mechanism, is further prevented by providing a raised safety ridge to prevent a user from gripping the edge of the striking lever near the outlet of the gas release mechanism. The safety arrangement can be combined with a utility tool, e.g., a knife, screwdriver, nail file, etc. disposed between two lateral plates, wherein the body of the lighter serves as one lateral plate, and with the t…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.