ES400682A1 - Hatch cover - Google Patents

Abstract

Improvements, in and related to, hatch covers, in particular, but not exclusively, applicable to the apparatus for covering a hatch in a ship, barge or the like, characterized by the fact that said apparatus comprises a vertical, rectangular curb, with a flat surface. peripheral upper surface, and a pair of rails, one on each of two opposite sides of said upper surfaces, a hatch cover including a pair of boards connected together by bolting their facing edges for folding movement like a knife on said rails; bolted supports extending outward and downward from an outer end of a first board of the aforementioned two, a pair of deck mounted supports, the end of said bolted supports away from said first board being pivotally connected to said deck mounted supports, a deck mounted base member and located between said deck mounted brackets, and means for moving the hatch cover including a pivot cylinder and piston hydraulic device mounted on said base member remote from the pivot mount of said cylinder and piston device and pivotably connected at its end opposite the end of said piston, drive link means pivotably mounted at one end to the end of said first board between said bolted supports and pivotably connected at its other end to said piston, said guide links being arranged according to an angle re with respect to the vertical in the direction of said first board when said cover is in the closed hatch position, and roller means at the end of the second of the cover boards located away from the chamfered supports on the first of these boards, whose means roller are arranged to run on that pair of rails with form these boards are moved to a vertical and parallel position disengaged from said curb, by activating the hydraulic device of cylinder and piston. (Machine-translation by Google Translate, not legally binding)