Device for pressing the coffee powder within the filter holder
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United States of America Patent
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Aug 22, 2017
Grant Date -
Apr 7, 2016
app pub date -
Jun 16, 2014
filing date -
Jun 17, 2013
priority date (Note) -
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Abstract
A device for pressing coffee powder includes a lowerly open first hollow cylinder body having a presser element housed therein which has a lowerly open but upperly closed second hollow cylinder body with an annular flange at a lower edge, a pressing member slidable within the second hollow cylindrical body and having a head which emerges from the base aperture of the second hollow cylindrical body, and a biasing member housed within the presser element and acting on the pressing member to maintain the pressing head spaced from the annular flange when the pressing device is not in use, the biasing member being compressed during coffee pressing by the pressing head, an arm causing the presser element to descend relative to the first hollow cylindrical body, the pressing member having a transverse pin with a roller guided along a helical groove defined in the lateral surface of the presser element.
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