Patents by Inventor Mark R. Grobarchik

Mark R. Grobarchik 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).

  • Patent number: 9027871
    Abstract: A roller for a sheet product dispenser includes a roller shaft, a roller frame molded onto the roller shaft, and a plurality of flexible rubber portions overmolded onto the roller frame and spaced along a length of the roller frame. The rubber portions are configured to contact a sheet product for dispensing from the sheet product dispenser. A dispensing mechanism for a sheet product dispenser includes a chassis and a roller positioned within and coupled to the chassis. The roller includes a roller shaft, a roller frame molded onto the roller shaft, and a plurality of flexible rubber portions overmolded onto the roller frame and spaced along a length of the roller frame. The rubber portions are configured to contact a sheet product for dispensing from the sheet product dispenser.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: May 12, 2015
    Assignee: Georgia-Pacific Consumer Products LP
    Inventors: Bret A. Kuehneman, Joseph A. Racz, Mark R. Grobarchik, Jeffrey A. Wierschke, Antonio M. Cittadino, Christopher M. Reinsel
  • Patent number: 8919688
    Abstract: A dispensing mechanism for a sheet product dispenser includes a chassis, a roller positioned within and coupled to the chassis, and a spring configured to bias the roller into contact with a sheet product. Another dispensing mechanism for a sheet product dispenser includes a chassis, a roller positioned within the chassis, a pair of plugs, and a pair of springs. The roller is coupled to the chassis via the plugs, and the springs are configured to bias the roller into contact with a sheet product. Still another dispensing mechanism for a sheet product dispenser includes a chassis, a first roller positioned within and coupled to the chassis, a second roller positioned within and coupled to the chassis, and a spring configured to bias the first roller toward the second roller and into contact with a sheet product.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: December 30, 2014
    Assignee: Georgia-Pacific Consumer Products LP
    Inventors: Bret A. Kuehneman, Joseph A. Racz, Mark R. Grobarchik, Jeffrey A. Wierschke, Antonio M. Cittadino, Christopher M. Reinsel
  • Publication number: 20130306786
    Abstract: A roller for a sheet product dispenser includes a roller shaft, a roller frame molded onto the roller shaft, and a plurality of flexible rubber portions overmolded onto the roller frame and spaced along a length of the roller frame. The rubber portions are configured to contact a sheet product for dispensing from the sheet product dispenser. A dispensing mechanism for a sheet product dispenser includes a chassis and a roller positioned within and coupled to the chassis. The roller includes a roller shaft, a roller frame molded onto the roller shaft, and a plurality of flexible rubber portions overmolded onto the roller frame and spaced along a length of the roller frame. The rubber portions are configured to contact a sheet product for dispensing from the sheet product dispenser.
    Type: Application
    Filed: July 26, 2013
    Publication date: November 21, 2013
    Applicant: Georgia-Pacific Consumer Products LP
    Inventors: Bret A. Kuehneman, Joseph A. Racz, Mark R. Grobarchik, Jeffrey A. Wierschke, Antonio M. Cittadino, Christopher M. Reinsel
  • Publication number: 20130306785
    Abstract: A dispensing mechanism for a sheet product dispenser includes a chassis, a roller positioned within and coupled to the chassis, and a spring configured to bias the roller into contact with a sheet product. Another dispensing mechanism for a sheet product dispenser includes a chassis, a roller positioned within the chassis, a pair of plugs, and a pair of springs. The roller is coupled to the chassis via the plugs, and the springs are configured to bias the roller into contact with a sheet product. Still another dispensing mechanism for a sheet product dispenser includes a chassis, a first roller positioned within and coupled to the chassis, a second roller positioned within and coupled to the chassis, and a spring configured to bias the first roller toward the second roller and into contact with a sheet product.
    Type: Application
    Filed: July 26, 2013
    Publication date: November 21, 2013
    Applicant: Georgia-Pacific Consmer Products LP
    Inventors: Bret A. Kuehneman, Joseph A. Racz, Mark R. Grobarchik, Jeffrey A. Wierschke, Antonio M. Cittadino, Christopher M. Reinsel
  • Publication number: 20110253828
    Abstract: A sheet product dispenser includes a cover, a pair of arms supporting a roll of sheet product within the cover, and a baffle. The roll of sheet product rotates upon activation of the dispenser during a dispense cycle. The baffle is adapted to deflect upon contact with the roll of sheet product and remain engaged against the roll of sheet product during at least a significant portion of a roll life.
    Type: Application
    Filed: June 27, 2011
    Publication date: October 20, 2011
    Applicant: GEORGIA-PACIFIC CONSUMER PRODUCTS LP
    Inventors: Bret A. Kuehneman, Joseph A. Racz, Mark R. Grobarchik, Jeffrey A. Wierschke, Antonio M. Cittadino, Christopher M. Reinsel
  • Patent number: 7984872
    Abstract: A sheet product dispenser includes a sheet product feed mechanism coupled to a DC stepper motor, the mechanism moving a sheet product out of the dispenser during a dispense cycle; and a control unit controlling the DC stepper motor to move the sheet product with a gradually increasing acceleration during a portion of the dispense cycle.
    Type: Grant
    Filed: October 3, 2007
    Date of Patent: July 26, 2011
    Assignee: Georgia-Pacific Consumer Products LP
    Inventors: Bret A. Kuehneman, Joseph A. Racz, Mark R. Grobarchik, Jeffrey A. Wierschke, Antonio M. Cittadino, Christopher M. Reinsel
  • Publication number: 20080128446
    Abstract: A sheet product dispenser includes a sheet product feed mechanism coupled to a DC stepper motor, the mechanism moving a sheet product out of the dispenser during a dispense cycle; and a control unit controlling the DC stepper motor to move the sheet product with a gradually increasing acceleration during a portion of the dispense cycle.
    Type: Application
    Filed: October 3, 2007
    Publication date: June 5, 2008
    Applicant: GEORGIA-PACIFIC CONSUMER PRODUCTS LP
    Inventors: Bret A. Kuehneman, Joseph A. Racz, Mark R. Grobarchik, Jeffrey A. Wierschke, Antonio M. Cittadino, Christopher M. Reinsel