DEVICE FOR RAISING SUNKEN OBJECTS Russian patent published in 1997 - IPC

Abstract RU 2090437 C1

FIELD: devices for raising sunken objects. SUBSTANCE: device includes cargo-hoisting mechanism, U-shaped cargo derrick, cargo ropes and haulage ropes, three-drum float mounted for rotation on cross-beam of derrick made in form of axle, its lateral struts are mounted rotatably in half-axles on either side of water craft. End drums of float have larger diameter as compared with center one and are provided with units for securing the end connections of haulage ropes. EFFECT: enhanced reliability. 3 dwg

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RU 2 090 437 C1

Authors

Elovego Ju.N.

Kramorenko A.V.

Simonov S.A.

Chumarov R.I.

Dates

1997-09-20—Published

1994-06-21—Filed