Patent ID: 6170790
Filing Date: 2001-01-09
Classification: B60N

Abstract:
Longitudinal adjusting device for vehicle seats, whose backrest, which is adjustable in inclination positions which are selectable as the case may be, is swivelably connected with a seat part, wherein the longitudinal adjusting device comprises:running rails (10) and guide rails (11), wherein the seat part is configured to be fastened to the running rails (10), wherein each running rail (10) is displaceable longitudinally in one of the guide rails (11) configured to be fixed to the vehicle floor,a locking device (14) configured to secure at least one of the running rails (10) to the respective guide rail (11) in selectable longitudinal positions,a spring member configured to support at least one of the running rails (10) at the respective guide rail (11) for purposes of a forward displacement of the running rails (10), wherein the spring member is a spiral spring (29),a winding drum (26) configured to be rotatably supported on the running rail (10), wherein a first end of the spiral spring (29) is associated with the running rail (10) and a second end of the spiral spring (29) is associated with the guide rail (11), wherein the second end of the spiral spring (29) associated with the guide rail is held at the winding drum (26),a pull rope (27) fixed with one end to the winding drum (26) and with the other end to a front area of the guide rail (11).