Importance

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Abstract

An openable skylight assembly covers a roof opening having a raised curb around its perimeter that extends substantially perpendicularly from the roof surface. The skylight includes glazing means that substantially covers the opening. A frame assembly surrounds the glazing means, and has a depending skirt portion that opposes the outer surfaces of the curb. A hinge, joining one side of the frame to the curb so that the skylight frame may be pivoted to open the skylight, includes a generally circular bearing that is received in a cradle, which is an integral part of the frame assembly that holds the glazing means. The internal curved cradle surface has an arc exceeding 180.degree. such that the bearing and cradle cannot be separated except when flat surfaces provided on the bearing align with the opening between the ends of the curved cradle surface. Then, by transverse motion relative to the longitudinal axis of the hinge, the frame assembly separates from the curb. No tools are required for removal and attachment of the movable skylight cover to the curb.

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First Claim