Vented hatch cover
US7703630B2 · kind B2 · utility
6Cited by
5References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2006 |
| Grant date | Apr 27, 2010 |
| Priority date | — |
| Expiry date | Aug 22, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61D17/16
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vented hatch cover comprising a cover body, an intake filter element, and a discharge filter element includes a plurality of walls defining an air intake passage, and an air discharge passage, an inner rim and an outer rim with a plurality of ribs extending across the air intake passage. The intake filter element includes a plurality of latches engaging the ribs. The discharge filter element includes an outer disc portion with a radially outer edge having a rim with a plurality of latches that releasably secure the discharge filter element to the inner rim of the cover body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.