HYDRAULIC HINGE
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United States of America Patent
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app pub date -
Jul 13, 2016
filing date -
Jul 13, 2016
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Abstract
A hydraulic hinge disclosed here is attached to a gate to prevent an impact due to a quick opening and quick closing of the gate. The hydraulic hinge comprises a first hinge member and second hinge member, and a hydraulic damper. The first hinge member is defined by a cylindrical body comprising a longitudinal axis about which the second hinge member is rotatable to rotate the hydraulic hinge between an open position and a closed position. The hydraulic damper is positioned within a cavity of the cylindrical body, and comprises a shaft positioned within a housing, and a hydraulic fluid filled in a space defined between the shaft and the housing. The hydraulic damper is in communication with the second hinge member, to provide resistance against slamming of the gate when the shaft is internally rotated through the hydraulic fluid during a quick opening and quick closing of the gate.
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