Importance

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Abstract

A chair includes a seat, a base including a housing, and a reclineable back pivoted to the housing. The chair further includes a pneumatic system having a valve actuateable to adjust a height of the seat with respect to the base, a cam for blocking the degree of tilt of one of the back and seat, and a spring for supporting the reclineable back. A multi-function member or 'satellite' control is operably mounted to the housing and includes a first spindle translatable for pulling the cable to open and close the valve for adjusting the height of the seat. The first spindle is further rotatable to operate the cam to at least partially immobilize the back. The multi-function member further includes a second spindle including a threaded portion engaging a nut for adjusting the tension of the spring when the second spindle is rotated. The second spindle is rotatably mounted in the first spindle.

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First Claim