Importance

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Abstract

Pivot hinge having an extendable and retractable pivot pin for pivotally connecting a pivotal door leaf with a structural element. The door leaf having an upper edge, lower edge, an inner side edge and an outer side edge. The pivot pin defining a vertical pivot axis. The pivot hinge further comprises a casing configured to be mounted to either the door leaf or the structural element, for example at the upper edge of the door leaf, e.g. at a corner region between the inner side edge and the upper edge of the door leaf, wherein the pivot pin is movably provided in a vertical passage within the casing, and a lever assembly adapted to move the pivot pin between a retracted position and an extended position. The lever assembly is located within the casing and comprises a lever member having a first end engaging the pivot pin, a fulcrum, and a second end, and a lever adjustment member and being in engagement with the second end of the lever such that operating the lever adjustment member causes the lever to pivot about the fulcrum, which in turn causes movement of the pivot pin between the retracted and extended positions.

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First Claim