Print head shutter
First Claim
Patent Images
1. A shutter for a print head of a print cartridge, comprising:
- a cover movably attachable to the print cartridge, the cover movable between a closed position to cover the print head and an open position to expose the print head;
an arm pivotally attachable to the print cartridge and movably attached directly to the cover; and
a biasing device for biasing the cover in the closed position, the biasing device attached to the arm and attachable to the print cartridge.
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Accused Products
Abstract
A shutter for a print head of a print cartridge is provided. The shutter includes a cover movably attachable to the print cartridge. The cover is movable between a closed position to cover the print head and an open position to expose the print head. An arm is pivotally attachable to the print cartridge and is movably attached to the cover. A biasing device for biasing the cover in the closed position is attached to the arm and is attachable to the print cartridge.
178 Citations
23 Claims
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1. A shutter for a print head of a print cartridge, comprising:
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a cover movably attachable to the print cartridge, the cover movable between a closed position to cover the print head and an open position to expose the print head;
an arm pivotally attachable to the print cartridge and movably attached directly to the cover; and
a biasing device for biasing the cover in the closed position, the biasing device attached to the arm and attachable to the print cartridge. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A print cartridge comprising:
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a body;
a print head;
a cover movably attached to the body, the cover movable within a plane substantially parallel to a face plane of the print head between a closed position to cover the print head and an open position to expose the print head;
an arm pivotally attached to the body and movably attached to the cover for moving the cover between the closed and open positions; and
a biasing device attached to the arm and the body for biasing the cover in the closed position;
wherein the arm is pivotable from a first position corresponding to the closed position of the cover to a second position corresponding to the open position of the cover by an object to be printed upon by the print head as the object moves past the print head during printing. - View Dependent Claims (8, 9, 10)
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11. A print cartridge comprising:
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a body;
a print head;
a cover movably attached to the body, the cover movable within a plane substantially parallel to a face plane of the print head between a closed position to cover the print head and an open position to expose the print head;
an arm pivotally attached to the body and movably attached to the cover by a pin extending from the cover into a slot of the arm, the arm pivotable between a first position corresponding to the cover being in the closed position and a second position corresponding to the cover being in the open position, the arm exerting a force on the pin as the arm pivots between the first and second positions to move the cover between the closed and open positions, the pin traveling within the slot as the arm pivots so that the cover moves within the plane substantially parallel to the face plane of the print head; and
a biasing device attached to the arm and the body for biasing the cover in the closed position;
wherein the arm is pivoted pivotable from the first position to the second position by an object to be printed upon by the print head as the object moves past the print head during printing.
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12. A method for printing comprising:
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moving an object to be printed upon relative to a stationary print head and into contact with a shutter;
moving the shutter from a closed position, where the shutter covers the print head, to an open position, where the print head is exposed, by moving the object against the shutter;
depositing an image on the object using the print head as the object moves relative to the print head; and
automatically returning the shutter to the closed position after the object moves out of contact with the shutter. - View Dependent Claims (13, 14, 15)
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16. A print cartridge, comprising:
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a means for depositing an image on a moving object; and
a means for covering and uncovering the image depositing means, wherein the covering and uncovering means uncovers the image depositing means as the object contacts and moves against the covering and uncovering means and automatically covers the image depositing means after the object moves out of contact with the covering and uncovering means. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23)
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Specification