Patents by Inventor Claus Pfeffer

Claus Pfeffer 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: 20240035554
    Abstract: The disclosure relates to a threaded nut of a ball screw drive. The threaded nut includes an inner sleeve made of sheet metal and an outer sleeve made of sheet metal. The inner and outer sleeves are nested axially in one another to form a nut sleeve. A thread of the nut sleeve is helically wound about a longitudinal axis of the threaded nut and forms a ball groove on the inner circumference of the inner sleeve. The outer sleeve is provided along the thread with at least one outer hole into which material of the inner sleeve is molded.
    Type: Application
    Filed: November 3, 2021
    Publication date: February 1, 2024
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Mario Kreutzer, Richard Baier, Claus Pfeffer, Thomas Kandler, Bastian Kettler
  • Publication number: 20240035553
    Abstract: The disclosure relates to a threaded nut of a ball screw, the threaded nut having an inner sleeve made of sheet metal and an outer sleeve made of sheet metal, which are nested axially in one another to form a nut sleeve. The nut sleeve is provided with a thread, which is formed helically about a longitudinal axis of the threaded nut and which forms, on the inner circumference of the nut sleeve, a ball groove wound helically about the longitudinal axis of the threaded nut and, and on the outer circumference of the nut sleeve, a helically wound outer ridge.
    Type: Application
    Filed: November 3, 2021
    Publication date: February 1, 2024
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Mario Kreutzer, Richard Baier, Claus Pfeffer, Thomas Kandler
  • Patent number: 11614150
    Abstract: A ball screw nut for a ball screw drive includes a sleeve element which is formed as a sheet metal part and has a thread which is formed for the largest part as a load channel, wherein a relief section formed within the thread extends from the load channel at least slightly radially outwards and adjoins a deflection channel.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: March 28, 2023
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Claus Pfeffer, Richard Baier, Mario Kreutzer
  • Publication number: 20210088116
    Abstract: A ball screw nut for a ball screw drive includes a sleeve element which is formed as a sheet metal part and has a thread which is formed for the largest part as a load channel, wherein a relief section formed within the thread extends from the load channel at least slightly radially outwards and adjoins a deflection channel.
    Type: Application
    Filed: January 25, 2019
    Publication date: March 25, 2021
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Claus Pfeffer, Richard Baier, Mario Kreutzer