Mechanical locking mechanism for fluid ejection
AssigneeHewlett-Packard Development Company, L.P.
InventorsSara Molins Cabani, Macia Sole Pons, Jordi Munoz Frigola
Life of this patent
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Abstract
A fluid ejection device is described. The fluid ejection device has a set of coding elements and a trap element. Each coding element is movable between an initial position and a coded position. The trap element is capable of trapping one or a plurality of the coding elements in the initial position when one or a plurality of other ones of the coding elements is moved from the initial position to the coded position.
Claims20
A fluid ejection device, comprising:
- a set of coding elements, each coding element movable between an initial position and a coded position,
- a trap element to trap one or a plurality of the coding elements in the initial position when another one or a plurality of other ones of the coding elements is moved from the initial position to the coded position, and
- a lock element to lock the another one or the plurality of other ones of the coding elements in the coded position when moved from the initial position to the coded position.
A printer, comprising:
- a fluid ejection device having a set of coding elements, each coding element being movable between an initial position and a coded position;
- and
- a first slot and a second slot, each to receive the fluid ejection device, the first slot having a first lockout unit and the second slot having a second lockout unit, each lockout unit to mechanically engage with the set of coding elements,
- wherein the first lockout unit has a pushing member to push one of the coding elements into the coded position and the second lockout unit has another pushing member to push another one of the coding elements into the coded position;
- wherein the fluid ejection device comprises a trap element to trap one or a plurality of other coding elements in the initial position when the one of the coding elements is moved from the initial position to the coded position, and a lock element to lock the one of the coding elements in the coded position when moved from the initial position to the coded position.
A method for mechanically coding a fluid ejection device to a slot of a printer, comprising:
- providing the fluid ejection device with a set of coding elements, each coding element movable between an initial position and a coded position;
- providing the fluid ejection device with a trap element to trap any of the coding elements in the initial position;
- providing the fluid ejection device with a lock element to lock any of the coding elements in the coded position;
- providing the slot with a push member to push one of the coding elements into the coded position;
- mounting the fluid ejection device on the slot;
- pushing, by the push member, a first one of the coding elements into the coded position;
- locking, by the lock element, the first one of the coding elements in the coded position;
- and
- holding, by the trap element, one or a plurality of second coding elements in the initial position.
Dependencies are inferred from the claim text.