Patents by Inventor Michael Schwarzbach

Michael Schwarzbach 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).

  • Spindle drive
    Patent number: 9169907
    Abstract: A spindle drive (1), in particular for a linear actuator, having a spindle (3), a spindle nut (7) which interacts with the spindle (3), and a lubricating channel outlet (20) which opens into an intermediate space between the spindle (3) and the spindle nut (7) for lubricating the spindle (3) and the spindle nut (7), the spindle drive (1) comprising, moreover, a stationary channel system and a rotatable channel system which is connected to the stationary channel system for feeding lubricant to the lubricating channel outlet (20).
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: October 27, 2015
    Assignee: Wittenstein AG
    Inventor: Michael Schwarzbach
  • Drive apparatus for driving a worm of an injection molding machine
    Patent number: 9080651
    Abstract: Drive apparatus (1, 101), in particular for driving a worm of an injection molding machine, which worm is arranged coaxially with respect to an injection molding cylinder, having a housing (9, 109) which is mounted such that it can be displaced in an axial direction of the housing (9, 109) and is fixed rotationally, an output shaft (21, 121) which is mounted non-displaceably and rotatably in the housing (9, 109), a rotational drive (5) which is arranged in the housing (9, 109) for the rotational drive of the output shaft (21, 121), and a translatory drive (3) which is arranged in the housing (9, 109) for the translatory drive of the housing (9, 109).
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: July 14, 2015
    Assignee: Wittenstein AG
    Inventors: Michael Schwarzbach, Dieter Uhl
  • DRIVE APPARATUS
    Publication number: 20150013483
    Abstract: Drive apparatus (1, 101), in particular for driving a worm of an injection molding machine, which worm is arranged coaxially with respect to an injection molding cylinder, having a housing (9, 109) which is mounted such that it can be displaced in an axial direction of the housing (9, 109) and is fixed rotationally, an output shaft (21, 121) which is mounted non-displaceably and rotatably in the housing (9, 109), a rotational drive (5) which is arranged in the housing (9, 109) for the rotational drive of the output shaft (21, 121), and a translatory drive (3) which is arranged in the housing (9, 109) for the translatory drive of the housing (9, 109).
    Type: Application
    Filed: July 2, 2014
    Publication date: January 15, 2015
    Inventors: Michael Schwarzbach, Dieter Uhl
  • SPINDLE DRIVE
    Publication number: 20140000395
    Abstract: Spindle drive (1), in particular for a linear actuator, having a spindle (3), a spindle nut (7) which interacts with the spindle (3), and a lubricating channel outlet (20) which opens into an intermediate space between the spindle (3) and the spindle nut (7) for lubricating the spindle (3) and the spindle nut (7), the spindle drive (1) comprising, moreover, a stationary channel system and a rotatable channel system which is connected to the stationary channel system for feeding lubricant to the lubricating channel outlet (20).
    Type: Application
    Filed: June 25, 2013
    Publication date: January 2, 2014
    Inventor: Michael Schwarzbach