Fuel filler cap
US7487879B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 4, 2005 |
| Grant date | Feb 10, 2009 |
| Priority date | — |
| Expiry date | Mar 12, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S220/33
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
This invention provides a fuel filler cap that can release an outer cap from an inner cap without influences of direction of the external force when it applied. The fuel filler cap 1 comprises the outer cap 11 constructed by an upper face portion 112, a skirt portion 113 extending from the outer circumference of the upper face portion 112 and a plurality of wedge-shaped projection 111 formed on the inner face of the skirt portion 113, the pressing plate 15, and the inner cap 13 constructed by a supporting plate 14 having annular slants 142 formed downward by chamfering the peripheral edge of its upper face intermittently, a seal ring 12 and a plurality of annular groove 146 defined by the individual annular slants 142 of the supporting plate 14 and by the lower face of the pressing plate 15 laid over the supporting plate 14.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.