Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1980-05-16
1981-11-10
Miller, Jr., George H.
Recorders
Markers and/or driving means therefor
With ink supply to marker
346 75, G01D 1518
Patent
active
043001459
ABSTRACT:
An ink printing unit includes a platen for supporting a record carrier, an ink printing head movable along a path of travel parallel to the platen. The ink printing head has nozzles and a nozzle outlet area through which ink is ejected onto the record carrier. The unit further has a sealing device for periodically closing off the nozzles by engaging an end face of the ink printing head in the zone of the nozzle outlet area. The sealing device comprises a sealing cushion; a mounting carrying the sealing cushion; a support for positioning the mounting such that the sealing cushion is held substantially in a plane of the end face; a guiding arrangement constraining the mounting and the sealing cushion to travel with the ink printing head as a unit; and a setting mechanism supported in the ink printing unit for moving, at any location of the ink printing head along its path of travel, the mounting and the sealing cushion as a unit into a first position in which the sealing cushion sealingly closes off the nozzle outlet area and into a second position in which the sealing cushion is withdrawn from the nozzle outlet area. The setting mechanism is stationary with respect to the travelling path of the ink printing head.
REFERENCES:
patent: 3839721 (1974-10-01), Chen et al.
patent: 4045802 (1977-08-01), Fukazawa et al.
patent: 4177471 (1979-12-01), Mitchell
patent: 4199767 (1980-04-01), Campbell et al.
Miller Jr. George H.
Olympia Werke AG
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