Airtight filler neck cap
US5509569A · kind A · utility
12Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 1994 |
| Grant date | Apr 23, 1996 |
| Priority date | — |
| Expiry date | Dec 13, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S220/33
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An air-tight filler neck cap wherein an operating torque is amplified to obtain a large tightening torque including an outer cap of the filler neck which includes a knob and a cover grip which is engaged with a body of an automobile to thereby prevent the cover grip from rotating and an inner cap of the filler neck cap which is moved in association with the outer cap by a planetary gear mechanism. The planetary gear mechanism includes a sun gear, planet gears and a ring gear located on a carrier disk plate which is rotatably attached to an upper face of the inner cap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.