Self-latching hatch cover for barges

Details Self-latching hatch cover for barges Self-latching hatch cover for barges

1981-03-16

1982-12-07

Basinger, Sherman D.

Ships

Hatches and covers

Inflatable gaskets

16348, 114178, 114203, 220335, 292128, 2922565, B63B 1914

Patent

active

043621180

ABSTRACT:
A cast aluminum hatchway cover has projecting hinge structure for mating with a hinge housing part affixed on a hatchway coaming. The hinge is detented for holding the cover in closed, partly open and fully open posture. Self-latching lock structure has a foot operable unlocking lever outside the hatchway and an emergency unlocking lever inside the hatchway. The hinge detenting mechanism comprises cams with mating elements located respectively on the cover and hinge housing part.

REFERENCES:
patent: 722215 (1903-03-01), DeRusett
patent: 2003835 (1935-06-01), Mitchell
patent: 2865668 (1958-12-01), Krause
patent: 3112514 (1963-12-01), Ostrom
patent: 3696774 (1972-10-01), Ostrem
patent: 3730128 (1973-05-01), Burwell
patent: 3987516 (1976-10-01), Winsor

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