1
David W Hanks, Meade Neal, Sharon S Berger, Donald B Maclane, Nasser Alavizadeh, Ronald F Burr, William H Tomison: High-performance ink jet print head having an improved ink feed system. Tektronix, Ralph D Alessandro, December 21, 1999: US06003971 (87 worldwide citation)

An ink jet array print head (101) includes four media-width linear ink jet arrays (100). Ink flows from four sets of manifolds (106) through acoustically matched inlet filters (116), inlet ports (117), inlet channels (118), pressure chamber ports (120), and ink pressure chambers (122). Ink leaves th ...


2
Donald B MacLane, Ted E Deur, Jeffrey J Anderson, Donald R Titterington, James C Oswald, Richard S Meissner: Ink jet print head maintenance system. Tektronix, John D Winkelman, Mark M Meininger, February 2, 1993: US05184147 (57 worldwide citation)

An ink jet print head cleaning and maintenance system has a purge chamber for applying a vacuum to a nozzle orifice surface. A specialized baffle diverts ink entering the purge chamber away a vent port through which the vacuum is drawn. An elongated wipe engages and wipes the orifice surface and is ...


3
John S Moore, Sharon S Berger, Ronald F Burr, Jeffrey J Anderson, Donald B MacLane: Ink jet head with channel filter. Tektronix, Ralph D Alessandro, March 11, 1997: US05610645 (46 worldwide citation)

A particulate filter (16) is provided within an inlet channel (22) of an ink jet (14). The filter is oriented generally in the direction of ink flow to provide a greater filter surface area. Positioning the filter within the inlet channel results in reduced acoustic crosstalk, more effective filteri ...


4
Gregory P Thornton, Donald B MacLane, Gregory K Justice: Method for supplying ink to an ink jet printer. Xerox Corporation, Francis I Gray, Ralph D Alessandro, July 18, 2000: US06089686 (41 worldwide citation)

An improved method for providing a continuous supply of liquid ink to an ink jet print head is provided. The method maintains an estimate in a memory source of the amount of liquid in a reservoir that is available to the print head. The estimate is periodically updated by information received from a ...


5
Charles D Creighton, Nathan E Hult, Richard G Chambers, Clark W Crawford, Mark A Telander, Donald B MacLane: Apparatus and method for deskewing media in a printer. Tektronix, Charles F Moore, May 18, 1999: US05904350 (18 worldwide citation)

A method and apparatus for deskewing a sheet of media traveling through a paper path in a printer is provided. A buckle is formed in the sheet of media by over-driving the sheet into stationary deskew rollers that form a deskew nip downstream. A deskewing bias element includes a plurality of articul ...


6
Clayton W Carpenter, Arthur C Van Horne, David W Hanks, Donald B MacLane: Automatic print head spacing mechanism for ink jet printer. Tektronix, John D Winkelman, Richard B Preiss, July 13, 1993: US05227809 (15 worldwide citation)

An ink jet printer (10) having a print head (14) for directing an ink jet toward a sheet of paper (16) includes automatic print head spacing apparatus (80) that holds the print head apart from the sheet of paper by a preselected distance. In a preferred embodiment, the printer includes a rotatable d ...


7
Richard G Chambers, Craig F Robillard, Barry G Mannie, Donald B Maclane: Systems and methods providing bi-directional passage of an object via an articulated member. Xerox Corporation, Oliff & Berridge, August 31, 2004: US06783026 (10 worldwide citation)

An articulated flag body member permitting bi-directional passage of an object. The articulated flag body member has a flag body pivotably connected to a flag foot. As rotation of the flag foot occurs in one direction, the flag body rotates by engagement of a recess of the flag foot with a stop memb ...


8
David W Hanks, Donald B MacLane: Method and apparatus for guiding media. Xerox Corporation, Philip T Virga, October 2, 2001: US06296244 (9 worldwide citation)

A media guiding apparatus and related method for reliably directing a media sheet from a media tray to a transport nip are provided. In one embodiment the media guiding apparatus includes at least one guide member that extends from a first guide surface adjacent to the transport nip to the sheet sep ...


9
David W Hanks, Donald B MacLane, Richard G Chambers: Stripper blade assembly. Xerox Corporation, September 25, 2001: US06293545 (6 worldwide citation)

A stripper blade assembly for an ink jet offset printer has a thin blade fixedly mounted on a top surface of a blade holder. The blade holder includes at a trailing edge flexible eyelet portions that extend downwards to snap over protuberances on mechanical connectors overmolded onto a rotatable sha ...


10
Daniel C Park, Donald B Maclane, Richard G Chambers, Timothy L Crawford, Darrell R Finneman, William Y Pong: Image transfer element with balanced constant force load. Xerox Corporation, Maginot Moore & Beck, December 13, 2011: US08075128 (3 worldwide citation)

An image transfer mechanism includes a pressure element and a lever system. The lever system has a load attachment point with a range of position that depends on the thickness of a print medium positioned between the imaging element and the pressure element. A load mechanism includes a load connecto ...