| 摘要 |
A seat including a base; a housing vertically movable relative to the base; a pivot arm assembly pivotally movable relative to the housing between upwardly and downwardly pivoted positions; a seat cushion bracket movable relative to the housing in response to pivotal movement of the pivot arm assembly; and an air spring having a lower end fixed relative to the housing for movement therewith relative to the base, and the air spring having an upper end connected to the pivot arm assembly to bias the pivot arm assembly toward the upwardly pivoted position. |
