FIELD: mechanical engineering; covering and opening of necks of hermetic reservoirs. SUBSTANCE: slots 3 are made in levers 2 of cover 1. Pins 4 of rod 5 of drive piston 7 are fitted in slots. Piston is installed with clearance a between its end and bottom of cylinder 8 facing the end. Levers 2 are installed at angle relative to hatch aperture, outside hatch. EFFECT: enhanced operation reliability. 2 cl, 5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| HATCH CLOSURE | 1990 |
|
RU2028245C1 |
| 0 |
|
SU1778044A1 | |
| VESSEL HULL | 0 |
|
SU1763284A1 |
| HATCH CLOSING DEVICE | 0 |
|
SU824889A3 |
| HULL | 1992 |
|
RU2048369C1 |
| SHIP HATCH CLOSURE | 0 |
|
SU740594A1 |
| 0 |
|
SU208461A1 | |
| ARRANGEMENT FOR CLOSING SECTION OF SHIP HATCH CLOSURE | 0 |
|
SU1098861A1 |
| HATCH CLOSURE | 2001 |
|
RU2207286C2 |
| SHIP HATCH COVER ACTUATOR | 0 |
|
SU576247A1 |
