Patents by Inventor Sten Jeansson

Sten Jeansson 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).

  • Grinding head for a mobile grinding machine and mobile grinding machine comprising such a grinding head
    Patent number: 7137875
    Abstract: The invention concerns a grinding head for a mobile grinding machine which is suitable for grinding floor surfaces, and a mobile grinding machine comprising such a grinding head. The grinding machine is driven by a motor and has a rotatable planet disc and grinding heads (5–7) rotatable relative to this. The grinding heads (5–7) comprise a carrier (8) which is designed to be rotated by means of the motor, and a grinding disc (9) designed to be driven by the carrier (8) by means of a coupling element (10). The coupling element (10) comprises a multiplicity of plates (11–13) which are stacked on each other, each with a central opening (14) and drain holes (15) distributed around this, and a compression spring (16) which extends through the central opening (14) of the plates (11–13) and by means of screw elements (17) is clamped between the carrier (8) and the grinding disc (9).
    Type: Grant
    Filed: December 8, 2005
    Date of Patent: November 21, 2006
    Assignee: HTC Sweden AB
    Inventor: Sten Jeansson
  • Grinding head for a mobile grinding machine and mobile grinding machine comprising such a grinding head
    Publication number: 20060172667
    Abstract: The invention concerns a grinding head for a mobile grinding machine which is suitable for grinding floor surfaces, and a mobile grinding machine comprising such a grinding head. The grinding machine is driven by a motor and has a rotatable planet disc and grinding heads (5-7) rotatable relative to this. The grinding heads (5-7) comprise a carrier (8) which is designed to be rotated by means of the motor, and a grinding disc (9) designed to be driven by the carrier (8) by means of a coupling element (10). The coupling element (10) comprises a multiplicity of plates (11-13) which are stacked on each other, each with a central opening (14) and drain holes (15) distributed around this, and a compression spring (16) which extends through the central opening (14) of the plates (11-13) and by means of screw elements (17) is clamped between the carrier (8) and the grinding disc (9).
    Type: Application
    Filed: December 8, 2005
    Publication date: August 3, 2006
    Applicant: HTC Sweden AB
    Inventor: Sten Jeansson
  • Grinding tool
    Patent number: D519530
    Type: Grant
    Filed: December 30, 2004
    Date of Patent: April 25, 2006
    Assignee: HTC Sweden AB
    Inventors: Håkan Thysell, Sten Jeansson
  • Grinding tool
    Patent number: D521031
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: May 16, 2006
    Assignee: HTC Sweden AB
    Inventors: Håkan Thysell, Sten Jeansson
  • Grinding tool
    Patent number: D522543
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: June 6, 2006
    Assignee: HTC Sweden AB
    Inventors: H{dot over (a)}kan Thysell, Sten Jeansson