Hatch cover crane

Details Hatch cover crane Hatch cover crane

1978-10-23

1980-12-09

Basinger, Sherman D.

Traversing hoists

With haul-in line

105163SK, 254 86H, 212189, 212166, 212208, B66C 2352

Patent

active

042380367

ABSTRACT:
A hatch cover crane having a hydraulically actuated jack assembly for realigning a hatch cover carried by the hatch cover crane with a ship's cargo hold opening. The jack is extended downward onto one of a pair of support rails, over which the hatch cover crane is moved, to raise one end of the hatch cover crane off the rails. While one end of the crane is raised off the rails, an opposite end is freely driven to facilitate alignment of the hatch cover carried by the hatch cover crane with the cargo hold opening.

REFERENCES:
patent: 2700426 (1955-01-01), Harless
patent: 3061109 (1962-10-01), Stone
patent: 3166023 (1965-01-01), Lynd, Jr.
patent: 3262580 (1966-07-01), Markowitz
patent: 3776169 (1973-12-01), Strecker
patent: 3861534 (1975-01-01), Birdwell

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