Presses – With drain means for expressed liquid – Drainage through or along surface spanning pressure surfaces
Reexamination Certificate
2005-06-06
2008-03-04
Nguyen, Jimmy T. (Department: 3725)
Presses
With drain means for expressed liquid
Drainage through or along surface spanning pressure surfaces
C100S226000, C100S265000, C100S288000, C100S293000, C099S287000, C099S297000
Reexamination Certificate
active
07337714
ABSTRACT:
An apparatus for pressing coffee has a base and housing supporting a filtercup and a pressing cylinder. The pressing cylinder has a forked end engaging a cylindrical body and attached to a rocker arm. A counterweight is attached to an end of the rocker arm. The cylindrical body has a rack engaging a ring gear activated by a lever. Movement of the lever causes movement of the cylindrical body and pressing cylinder. A pinion attached to the cylindrical body moves along a second rack. Movement of the pinion is translated to a bevel gear pair and a pin between the prongs of the forked end.
REFERENCES:
patent: 2336428 (1943-12-01), Watson
patent: 4796521 (1989-01-01), Grossi
patent: 5237911 (1993-08-01), Aebi
Hoffman Wasson & Gitler
Mazzer Luigi S.R.L.
Nguyen Jimmy T.
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