Hydraulically damped actuator
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United States of America Patent
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Nov 17, 2020
Grant Date -
May 7, 2020
app pub date -
Jun 20, 2017
filing date -
Dec 27, 2016
priority date (Note) -
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Abstract
A hydraulically damped actuator suitable for closing a hingedly connected closure system includes a tubular cylinder barrel, an energy storing mechanism for storing energy when the closure system is being opened and for restoring the energy to close the closure system, and a hydraulic damping mechanism for damping a closing movement of the closure system. The damping mechanism has a closed cylinder cavity that is partly formed by a collar that is integrally formed with the tubular cylinder barrel, a guiding element that is bolted to said collar and a piston that is irrotatably and slideably with respect to the tubular cylinder barrel coupled to said guiding element. The guiding element is fixedly positioned with respect to the tubular cylinder barrel, without needing a screw connection.
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