Patents by Inventor Hans-Dieter Fretschner

Hans-Dieter Fretschner 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).

  • Device for adjusting the inclination of a seat surface part of a vehicle seat
    Patent number: 6691969
    Abstract: Described is an apparatus for adjusting the inclination of a seat squab (12) of a vehicle seat (10), wherein the device (18) has a rocker (20) with an upper and a lower rocker element (22, 24) which are pivotably movably connected together by lateral bearing bushes (36). Fixed to the upper rocker element (22) is a toothed bridge (38) with mutually oppositely disposed bridge tooth arrangements (40) which are concentric with respect to the bearing bushes (36). Provided between the two bridge tooth arrangements (40) of the toothed bridge (38) are two toothed sliders (64) with slider tooth arrangements (66). Provided between the two toothed sliders (64) is a locking member (48) rotatable about a rotary axis (26) extending through the bearing bushes (36). The two toothed sliders (64) are linearly movably guided on the lower rocker element (24) between a locking position and a release and adjusting position.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: February 17, 2004
    Assignee: Grammer AG
    Inventors: Hans-Dieter Fretschner, Stefan Graf, Richard Ott, Holger Raum
  • Device for adjusting the inclination of a seat surface part of a vehicle seat
    Publication number: 20030001062
    Abstract: Described is an apparatus for adjusting the inclination of a seat squab (12) of a vehicle seat (10), wherein the device (18) has a rocker (20) with an upper and a lower rocker element (22, 24) which are pivotably movably connected together by lateral bearing bushes (36). Fixed to the upper rocker element (22) is a toothed bridge (38) with mutually oppositely disposed bridge tooth arrangements (40) which are concentric with respect to the bearing bushes (36). Provided between the two bridge tooth arrangements (40) of the toothed bridge (38) are two toothed sliders (64) with slider tooth arrangements (66). Provided between the two toothed sliders (64) is a locking member (48) rotatable about a rotary axis (26) extending through the bearing bushes (36). The two toothed sliders (64) are linearly movably guided on the lower rocker element (24) between a locking position and a release and adjusting position.
    Type: Application
    Filed: June 11, 2002
    Publication date: January 2, 2003
    Inventors: Hans-Dieter Fretschner, Stefan Graf, Richard Ott
  • Short backrest car seat
    Patent number: D523646
    Type: Grant
    Filed: May 27, 2003
    Date of Patent: June 27, 2006
    Assignee: Grammer AG
    Inventors: Hans-Dieter Fretschner, Nikolaus Haller, Richard Ott
  • Long backrest car seat
    Patent number: D534731
    Type: Grant
    Filed: May 27, 2003
    Date of Patent: January 9, 2007
    Assignee: Grammer AG
    Inventors: Hans-Dieter Fretschner, Nikolaus Haller, Richard Ott