Patents by Inventor Waldemar Luft

Waldemar Luft 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).

  • Base frame of a motor vehicle seat having two rail pairs, rockers and a seat support
    Patent number: 8113588
    Abstract: The base frame of the motor vehicle seat comprises two rail pairs, two front rockers, two rear rockers and one seat support. The seat support has two side parts, a front cross member and a rear cross member. Each rail pair is hinged to a side part via a front rocker and a rear rocker. An adjustment device is provided for the height adjustment of the seat support. A rocker is connected to a transverse part. A support part is provided which is connected to the transverse part and comprises a hinge area for an adjustment part of the adjustment device and a contact area on the adjacent cross member.
    Type: Grant
    Filed: February 19, 2011
    Date of Patent: February 14, 2012
    Assignee: C. Rob. Hammerstein GmbH & Co. KG
    Inventors: Wilfried Beneker, Burckhard Becker, Waldemar Luft
  • BASE FRAME OF A MOTOR VEHICLE SEAT HAVING TWO RAIL PAIRS, ROCKERS AND A SEAT SUPPORT
    Publication number: 20110163585
    Abstract: The base frame of the motor vehicle seat comprises two rail pairs, two front rockers, two rear rockers and one seat support. The seat support has two side parts, a front cross member and a rear cross member. Each rail pair is hinged to a side part via a front rocker and a rear rocker. An adjustment device is provided for the height adjustment of the seat support. A rocker is connected to a transverse part. A support part is provided which is connected to the transverse part and comprises a hinge area for an adjustment part of the adjustment device and a contact area on the adjacent cross member.
    Type: Application
    Filed: February 19, 2011
    Publication date: July 7, 2011
    Inventors: Wilfried Beneker, Burckhard Becker, Waldemar Luft
  • Motor vehicle seat with seat depth adjustment
    Patent number: 7669929
    Abstract: An adjustable motor vehicle seat with an underframe (20), a seat carrier (28) carried by the underframe (20), a cushion shell (34), a first longitudinal guide (44) being disposed between the seat carrier (28) and the cushion shell (34), and a first drive being provided for adjusting the cushion shell (34) relative to said seat carrier (28). The seat includes a front transverse beam (65) associated with a front edge (72) of the seat. A second longitudinal guide (64) is interposed between the cushion shell (34) and the transverse beam (65). A second drive is responsible for adjusting the seat carrier (28) relative to the cushion shell (34).
    Type: Grant
    Filed: August 5, 2008
    Date of Patent: March 2, 2010
    Assignee: C. Rob. Hammerstein GmbH & Co. KG
    Inventors: Frank Simon, Nils Magnus, Waldemar Luft
  • Motor Vehicle Seat with Seat Depth Adjustment
    Publication number: 20090039690
    Abstract: An adjustable motor vehicle seat with an underframe (20), a seat carrier (28) carried by the underframe (20), a cushion shell (34), a first longitudinal guide (44) being disposed between the seat carrier (28) and the cushion shell (34), and a first drive being provided for adjusting the cushion shell (34) relative to said seat carrier (28). The seat includes a front transverse beam (65) associated with a front edge (72) of the seat. A second longitudinal guide (64) is interposed between the cushion shell (34) and the transverse beam (65). A second drive is responsible for adjusting the seat carrier (28) relative to the cushion shell (34).
    Type: Application
    Filed: August 5, 2008
    Publication date: February 12, 2009
    Applicant: C. ROB. HAMMERSTEIN GMBH & CO. KG
    Inventors: Frank Simon, Nils Magnus, Waldemar Luft