Compact automatic coffee-making machine more particularly for domestic use
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United States of America Patent
Stats
-
Jan 10, 1989
Grant Date -
N/A
app pub date -
Oct 22, 1987
filing date -
Oct 31, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The automatic coffee-making machine according to the invention comprises a filter carrier having on its base a movable filter for filtering the coffee infusion, there being introducible into the carrier in sealing-tight manner a piston having means for delivering pressurized hot water supplied by a metering unit, the piston being operated for its movements of descent, introduction into the filter carrier element, compression of the coffee powder, raising and lateral rotation by a rod having resilient piston-pulling means and connected to a rotating disc actuated by a geared motor, means being provided to support and guide the piston in its movement, the latter means providing an irreversible transmission of the movement from the motor to the piston, automatic means being provided to expel the spent coffee powder and to supply fresh powder to the filter carrier.
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Family
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