Positive-action device for bringing about the rotary movement of

Ships – Hatches and covers – With fasteners

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Details

114339, 114340, B63B 1912

Patent

active

053516397

ABSTRACT:
A positive-action device for bringing about the rotary movement of a hatch, as a result of the traversing stroke of a shaft moving axially within a fixed structure, particularly in submarine turrets, includes an actuating component integral with shaft and moving with the latter in a direction parallel to the longitudinal axis of the shaft, and an articulated kinematic mechanism the upper end of which is hinged to hatch with an interposed flexible safety device and the lower end of which is rotationally integral with a regulating component rotating around the axis of a fixed pivot, there being associated with the regulating component a mechanism of bistable type for reliably maintaining the settings corresponding to the open and closed positions of the hatch, and end-of-stroke devices.

REFERENCES:
patent: 749755 (1904-01-01), Spear
patent: 867982 (1907-10-01), Lake
patent: 1873243 (1932-08-01), Zebrowski
patent: 3044106 (1962-07-01), Papsdorf
patent: 3179010 (1965-04-01), Bratton

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