Patent ID: 6241209
Filing Date: 2001-06-05
Classification: B60N

Abstract:
A seat support for supporting a seat above the floor of a vehicle, the vehicle having a front end and a rear end, the seat support comprising:a base for mounting to the vehicle;a seat supporting member adapted to carry the seat;first and second link members coupling the seat supporting member to the base, the second link member having a first end portion pivoted to the base for pivoting about a first pivot axis and a second end portion pivoted to the seat supporting member for pivoting about a second pivot axis, the first link member having a first end portion pivoted to the base for pivoting about a third pivot axis and a second end portion pivoted to the seat supporting member for pivoting about a fourth pivot axis;wherein the third pivot axis is located rearwardly of the first pivot axis and the fourth pivot axis is located rearwardly of the second pivot axis, and wherein the distance between the third and fourth pivot axes is greater than the distance between the first and second pivot axes;a seat height adjuster coupled to the seat support and adapted to pivot the first and second link members in a first direction to raise the seat supporting member and being adapted to pivot the first and second link members in a second direction opposite to said first direction to thereby lower the elevation of the seat, the seat height adjuster permitting movement of the seat in response to vibrations; anda vibration damper coupled to the seat and adapted to dampen movement of the seat in response to vibrations permitted by the air spring.