Patent ID: 11872916
Assignee: SEATS INCORPORATED
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 4:
5. A suspension for a vehicle seat, to move a seat portion of the vehicle seat upward and downward relative to a neutral position, the suspension comprising:
a damper including a base end and a head end, the damper configured to provide damping primarily when moved in a first direction corresponding to extension or compression of the damper; and
a linkage secured to the damper and configured to be secured to a support member of the suspension and a base of the suspension; and
the linkage being configured to cause the damper to move in the first direction when the seat portion is moved upward from the neutral position and when the seat portion is moved downward from the neutral position,
wherein the linkage includes a base link, an intermediate link, and a suspension link,
wherein the base link includes a first end and a second end and is configured to be secured to the base at the first end and secured to the head end of the damper at the second end,
wherein the intermediate link is pivotally secured to the base link and the suspension link,
wherein the suspension link is configured to be secured to a movable suspension member of the suspension,
wherein the base link is configured to maintain a lengthwise substantially upright orientation extending upwardly from the base and defining an arcuate path for the head end of the damper either by an arcuate rotation of the base link about the base end or by an arcuate slot in the second end of the base link, and
wherein the arcuate path maintains the head end of the damper above the base end of the damper.