Machine of the piston type for dispensing coffee or other brewed beverages
AssigneeLa Marzocco S.R.L.
InventorsAndrea Dionisio, Riccardo Gatti, Maurizio Beretta
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Abstract
A machine (100) for espresso coffee (barley or other beverages) of the piston type is described. The machine comprises a cylinder (1), a piston (2) which is configured to perform a translation movement in said cylinder (1), a rod (4) having an end cooperating with said piston (2), an operating lever (5), a member (6) configured to cooperate with said rod (4) and to move said piston (2) from a first position to a second position by compressing a spring (3), and a mechanism (8, 10, 11, 12) which realizes the connection between said operating lever (5) and said member (6), wherein said mechanism is of the “hold-to-operate” type.
Claims11
A coffee machine comprising:
- a cylinder,
- a piston which is configured to perform a translation movement in said cylinder,
- a rod comprising a first end cooperating with said piston and a second connected to a pin,
- an operating lever,
- an eccentric member configured to cooperate with said rod and to bring said piston from a first position to a second position by compressing a piston spring, and
- a mechanism which selectively connects said operating lever and said eccentric member,
- wherein said eccentric member comprises a body which is rotatable about a rotation axis, wherein said body comprises a curved path for the pin which is configured such that, when the operating lever and the eccentric member are selectively connected by the mechanism, said pin follows a curved trajectory in which a distance between a rotation axis of the eccentric member and a center of the pin varies during movement of the pin within the path.
Dependencies are inferred from the claim text.