Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – With mounting or supporting means
Patent
1975-02-04
1977-03-15
Kannan, Philip C.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
With mounting or supporting means
114201R, E05F 1500
Patent
active
040119009
ABSTRACT:
A hatch cover arrangement comprising cover sections directly hinged together in series and adapted to be pivoted from an active horizontal position above a hatch coaming bounding a hatch opening to an inactive, upwardly swung, vertical position at least partially outside the opening. A cover lifting device is arranged in opposite relation on each exposed longitudinal side of the cover and comprises two lifting cylinders each hinged at one end to a respective one of two adjacent cover sections and at the opposite end to a common hinge arm construction itself separately hinged to these sections. A wheel of the device is mounted for the support of the hinge arm construction between the latter and the longitudinal side of the cover at the junction between the adjacent cover sections. Pivoting of the cover sections to and from the inactive and active positions is accompanied by the rotation of the wheels of the two devices along longitudinal guides towards and away from one end of the hatch coaming. The main portion of each cover lifting device is arranged laterally outside the guide of the wheel thereof and the locations at which the lifting cylinders are hinged to their hinge arm construction are below the level of the guide.
REFERENCES:
patent: 3107722 (1963-10-01), Larsson
patent: 3179402 (1965-04-01), Hamilton
Kannan Philip C.
MacGregor International S.A.
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