Lighter with spark-wheel slip ring
US5655902A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 1, 1996 |
| Grant date | Aug 12, 1997 |
| Priority date | — |
| Expiry date | Mar 1, 2016 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23Q2/164
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
The lighter of the present invention provides a slip ring which is concentrically mounted about the striking wheel assembly of a conventional lighter. To operate the lighter, digital pressure is applied to frictionally couple the slip ring and the striking wheel assembly together to move in concert to create a spark. The slip ring has disposed along its circumference an elongated slot. The ends of the slot engage the flint housing to halt the movement of the ring, serving to limit the range of motion of the slip ring, and, hence, the motion of the striking wheel assembly. Lastly, the slip ring includes protrusions which hold the slip ring in a neutral position until force is applied in a backward direction to disengage the slip ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.