Wet lift rig

Details Wet lift rig Wet lift rig

1991-12-11

1992-07-28

Sotelo, Jesus D.

Traversing hoists

Having horizontally swinging boom or bridge

Having trolley thereon

B66C 1112

Patent

active

051334666

ABSTRACT:
A watertight cover for the hook of a crane comprises a cylindrical rod interposed between the hook and the load. A circular seal, slidingly carried on the rod, engages an imperforate cover member telescoped over the rod and the hook. A device is provided for drawing the seal and cover member toward the hook as the hook is lowered into the water.

REFERENCES:
patent: 1605281 (1926-11-01), Reece
patent: 3738521 (1973-06-01), Long, III
patent: 4496063 (1985-01-01), Ishii et al.

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