Patent ID: 7168671
Filing Date: 2007-01-30
Classification: B60N

Abstract:
1. In a low profile seat suspension having a bottom frame adapted to be mounted on a vehicle, a top frame located above the bottom frame for supporting a seat cushion having a front and a seat back thereon, a substantially fully collapsible scissors linkage being interconnected between the bottom frame and the top frame enabling relative movement therebetween substantially in parallelism, a bearing arrangement disposed between the top frame and the bottom frame and having a bearing force urging the top frame away from the bottom frame, a first adjustment mechanism located in the top frame and extending forwardly therefrom in front of the seat cushion for selectively enabling fore and aft adjustment of the top frame relative to the bottom frame, a second adjustment mechanism located between the top frame and the bottom frame for selectively enabling an adjustment of the bearing arrangement in accordance with a body weight of an occupant facing towards the front of the seat cushion by translating a horizontal force applied to an adjustment plate into a vertical force affecting the preload force of the bearing arrangement, the adjustment plate being engaged with a cam wherein the horizontal force slidably moves the adjustment plate and carries a resilient element of the bearing arrangement in a vertical direction, the improvement wherein: the second adjustment mechanism is constructed and arranged to include an adjustment knob that extends forwardly from the top frame in front of the seat cushion along with the first adjustment mechanism in spaced relationship therefrom, and is enabled to move along with the top frame irregardless of the fore and aft adjustment of the top frame relative to the bottom frame.