Hydraulic hinge for the controlled rotary movement of a door, a leaf or the like
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United States of America Patent
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Issued Date -
Jun 20, 2024
app pub date -
Apr 27, 2022
filing date -
Apr 27, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A hydraulic hinge device for the controlled rotary movement of a closing element that can be anchored to a stationary support structure includes a shell, a pivot defining a first axis arranged to rotate around the first axis, and a system that controls the flow of a working fluid and that includes a first hydraulic working chamber fluidically connected to a second hydraulic working chamber and a first and a second stem slidable along respective second and third axes. The shell has an internal compartment that houses the pivot and the control system, and that provides a hydraulic portion including the working chambers and a dry portion including the pivot and the ends of the stems. The pivot has a cam susceptible to selectively and alternately dry-interact with a corresponding cam follower system integrally coupled to the stems.
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