Beverage extraction device
First Claim
1. A beverage extraction device, comprising:
- a cylinder having a bottomed cylindrical shape;
a piston member including a plurality of through holes and having a disk shape, the piston member being configured to move close to and away from a bottom portion of the cylinder in a state that a side surface of the piston member is in contact with an inner surface of the cylinder, the beverage extraction device being configured to extract a beverage from a beverage raw material and hot water that are fed through an upper surface opening of the cylinder by a movement of the piston member and discharge the extracted beverage through a discharge passage connected to the bottom portion; and
a cover member configured to move between a fully opened position at which the upper surface opening is fully opened and a fully closed position at which the upper surface opening is closed, whereinthe cover member includes a scraper portion configured to remove an extraction residue placed on the piston member closing the upper surface opening when the cover member moves from one to another of the fully opened position and the fully closed position.
1 Assignment
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Accused Products
Abstract
A beverage extraction device includes a cylinder having a bottomed cylindrical shape; a piston member configured to move close to and away from a bottom portion of the cylinder, the beverage extraction device being configured to extract a beverage from a beverage raw material and hot water that are fed through an upper surface opening of the cylinder by a movement of the piston member and discharge the extracted beverage through a discharge passage connected to the bottom portion; and a cover member configured to move between a fully opened position and a fully closed position. The cover member includes a scraper portion configured to remove an extraction residue placed on the piston member closing the upper surface opening when the cover member moves from one to another of the fully opened position and the fully closed position.
12 Citations
6 Claims
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1. A beverage extraction device, comprising:
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a cylinder having a bottomed cylindrical shape; a piston member including a plurality of through holes and having a disk shape, the piston member being configured to move close to and away from a bottom portion of the cylinder in a state that a side surface of the piston member is in contact with an inner surface of the cylinder, the beverage extraction device being configured to extract a beverage from a beverage raw material and hot water that are fed through an upper surface opening of the cylinder by a movement of the piston member and discharge the extracted beverage through a discharge passage connected to the bottom portion; and a cover member configured to move between a fully opened position at which the upper surface opening is fully opened and a fully closed position at which the upper surface opening is closed, wherein the cover member includes a scraper portion configured to remove an extraction residue placed on the piston member closing the upper surface opening when the cover member moves from one to another of the fully opened position and the fully closed position. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification