Patents by Inventor Daniel Guerand

Daniel Guerand has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20170322511
    Abstract: An imaging device having a door-actuated feed roll separator mechanism. A pair of opposed panels of a frame of the imaging device are positioned parallel to a media path. A feed roll pair in the media path has a drive roll fixedly and rotatably mounted between the panels and a backup roll translateably mounted between the panels. A pair of cam followers are rotatably mounted to the backup roll. The backup roll is biased against the drive roll forming a feed nip. A door pivotally mounted along a bottom end to the frame substantially covers the media path. A pair of door-mounted, spring-biased actuators engage with the pair of cam followers. With the door lowered, the cam followers rotate with a camming surface thereon contacting the drive roll, translating the backup roll away from the drive roll and opening the feed nip to allow for removal of jammed media.
    Type: Application
    Filed: August 24, 2016
    Publication date: November 9, 2017
    Inventor: DANIEL GUERAND
  • Patent number: 9798285
    Abstract: An imaging device having a door-actuated feed roll separator mechanism. A pair of opposed panels of a frame of the imaging device are positioned parallel to a media path. A feed roll pair in the media path has a drive roll fixedly and rotatably mounted between the panels and a backup roll translateably mounted between the panels. A pair of cam followers are rotatably mounted to the backup roll. The backup roll is biased against the drive roll forming a feed nip. A door pivotally mounted along a bottom end to the frame substantially covers the media path. A pair of door-mounted, spring-biased actuators engage with the pair of cam followers. With the door lowered, the cam followers rotate with a camming surface thereon contacting the drive roll, translating the backup roll away from the drive roll and opening the feed nip to allow for removal of jammed media.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: October 24, 2017
    Assignee: Lexmark International, Inc.
    Inventor: Daniel Guerand
  • Patent number: 7762552
    Abstract: The present application is directed to devices and methods for directing media sheets moving along a media path within an image forming apparatus. In one embodiment, a gate is positioned in proximity to the media path. The gate may include an elongated shape that extends across at least a section of the media path. A fluid damper may be operatively connected to the gate and may include a shaft and a chamber that holds fluid. The shaft is rotationally positioned with a first section within the chamber and a second section extending outward from the chamber. Rotation of the shaft in a first direction may force the fluid within the chamber to move relative to the body and cause the gate to move to a first position in the media path to direct the media sheets towards a first part of the media path.
    Type: Grant
    Filed: October 26, 2007
    Date of Patent: July 27, 2010
    Assignee: Lexmark International, Inc.
    Inventors: Daniel Guerand, Robert Rosacker, Scott S. Williams
  • Publication number: 20090108517
    Abstract: The present application is directed to devices and methods for directing media sheets moving along a media path within an image forming apparatus. In one embodiment, a gate is positioned in proximity to the media path. The gate may include an elongated shape that extends across at least a section of the media path. A fluid damper may be operatively connected to the gate and may include a shaft and a chamber that holds fluid. The shaft is rotationally positioned with a first section within the chamber and a second section extending outward from the chamber. Rotation of the shaft in a first direction may force the fluid within the chamber to move relative to the body and cause the gate to move to a first position in the media path to direct the media sheets towards a first part of the media path.
    Type: Application
    Filed: October 26, 2007
    Publication date: April 30, 2009
    Inventors: Daniel Guerand, Robert Rosacker, Scott S. Williams