Patent ID: 7854480

Claim:
A method of manufacture of a suspension system for a vehicle seat comprising, the method comprising the steps of: combining an interchangeable top portions selected from the group consisting of a first interchangeable top portion and a second interchangeable top portion with an interchangeable second part selected from the group consisting of a first interchangeable second part having an air spring element and a second interchangeable second part having a tension spring element to form a combined upper portion, whereby the interchangeable second part is selected to combine with the selected interchangeable top portion; and releasably combining the combined upper portion with a first part comprising: a base portion, a first arm having a first end secured to the base portion and a second end capable of moving relative to a lower surface of the selected interchangeable top portion, and a second arm pivotally-connected to the first arm, the second arm having a first end capable of movement relative to an upper surface of the base portion and a second end releasably secured to the selected interchangeable top portion.