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US 4,510,853 AGranted
Coffee making apparatus
AssigneeTokyo Shibaura Denki Kabushiki Kaisha
InventorSyoji Takagi
Life of this patent
Estimating the term…
Abstract
A coffee making apparatus has a case, an electric motor, a grinder disposed on a driving shaft of the motor so as to rotate vertically along an interior surface of the case, means for providing hot water to the case, and means for extracting coffee. Coffee-beans are agitated and uniformly crushed by the grinder, so as to provide efficient coffee extraction.
Claims9
A coffee making apparatus comprising:
- a housing;
- a case, installed on said housing, for receiving coffee-beans, said case having at least a cylindrical bottom and a plurality of apertures;
- an electric motor mounted on the housing, said motor having a drive shaft disposed horizontally and extending into the case;
- a grinder, disposed on said drive shaft and within the case, for rotating in a vertical plane and along said cylindrical bottom of the case, said grinder crushing coffee-beans to make coffee powder said grinder comprising cutter parts disposed parallel to said bottom of the case, and arm parts arranged between each of said cutter parts and said drive shaft for securing said cutter parts;
- means for providing hot water to the case, said means including a heater for heating water, said hot water and coffee powder passing through said apertures;
- and
- means, positioned adjacent said apertures, for extracting coffee from said coffee powder by said hot water.
4 more elements
Dependencies are inferred from the claim text.