Automatic hatch cover for bulk carriers
US6427384B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Aug 12, 1999 |
| Grant date | Aug 6, 2002 |
| Priority date | — |
| Expiry date | Aug 12, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D90/10
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A hatch closure system for loading of material through a top hatch into a mobile or stationary pressurized carrier includes a support frame pivotally attached to carrier for actuated movement between an loading position wherein said support frame is located remote from said hatch and a closure position overlying hatch, a cover carried by the frame member for actuated movement between a raised unsealed position above the hatch and a lowered sealed position engaging the hatch, and a locking member having a latched condition maintaining the sealed position and an unlatched position permitting movement of the hatch to the raised position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.