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US 5,211,189 AGranted
Dishwasher with removable rack
AssigneeZanussi Elettrodomestici S.p.A.
InventorGianni Santarossa
Life of this patent
Estimating the term…
Abstract
A dishwasher with a wash tub (4) with a removable rack (3) under which there is inserted a rotor (8) which is designed to be fed through a connection duct with rotating hydraulic joint extending upward from the bottom of the tub. The bottom of the rack (3) has several crosspieces (18), at least one of which has an angular, downward bend at the center (19), axially aligned with the rotor (8) and adjacent to it when the rack is in place in the tub (4) to limit the upward movement of the rotor (8).
Claims4
A dishwasher, comprising a wash tub in which is inserted at least one removable rack to support dishes;
- a water circulation pump;
- a rotor having a substantially vertical axis and being arranged below the rack to spray the dishes with water fed by the water circulation pump, a connection duct extending upwardly from the bottom of the tub with a fixed lower tubular portion forming a rotatable hydraulic joint with an upper tubular portion which is integral with the rotor to rotate therewith about a substantially vertical axis, said connection duct being arranged to direct water from the pump to the rotor, said rotor and said upper tubular portion being subject to upward travel when said pump is started;
- and downwardly protruding stop means (19) provided on the bottom of said rack (3), said stop means being substantially aligned with the axis of said rotor (8) and adjacent to the rotor when the rack is inserted in the tub (4), to limit the upward travel of the rotor (8).
Dependencies are inferred from the claim text.