Hoisting and lowering mechanism for a rotatable mast

Details Hoisting and lowering mechanism for a rotatable mast Hoisting and lowering mechanism for a rotatable mast

1982-01-28

1984-03-13

Blix, Trygve M.

Ships

Submersible device

Superstructure

B63G 838

Patent

active

044360517

ABSTRACT:
Hoisting and lowering mechanism for a mast capable of axial and pivoting ement, comprising a jack housed at the lower part of the mast and fast to a suspension with respect to which the mast can pivot, the end of the rod of the jack being coupled through an anchoring point to the fixed parts situated beneath the mast. The invention is useful for the optronic mast or the periscopic surveillance antenna of a submarine.

REFERENCES:
patent: 749755 (1904-01-01), Spear
patent: 1313534 (1919-08-01), Hoffman
patent: 2503748 (1950-04-01), Kollmorgen
patent: 2505009 (1950-04-01), Schroeder
patent: 3381590 (1968-05-01), Rosenberg et al.

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