A - Human Necessities – 47 – J
Patent
A - Human Necessities
47
J
A47J 31/36 (2006.01) A47J 31/40 (2006.01) A47J 31/44 (2006.01)
Patent
CA 2072736
An automatic coffee-making machine comprising in combined form a drive unit consisting of a direct-current motor (14) to the shaft (14a) of which is made integral a worm screw (14b) capable of actuating, in an axial direction, the sealed rod (16a) of a valve body (16) and of engaging with means (13,12) for transmission of movement with a slider (4), capable of moving at right angles to the axis of rotation of motor shaft (14a), there being made integral with such slider (4), by means of appropriate couplings (5,5a,9a,10a) a shaped member (9) integral with the free end of the rod of piston (8), there being also provided means (15,20) for the ejection and removal of the spent powdered coffee, as well as means (114) for monitoring and controlling the power input to motor (14), this making it possible to determine in an automatic manner the instants of start and end of the strokes of piston (8) during the phases of downward movement, insertion in the filter-holder, compression of the powdered coffee, upward movement and lateral rotation for discharge.
Blake Cassels & Graydon Llp
Lionard Serv. S.r.l.
LandOfFree
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