Patent ID: 6779847
Filing Date: 2004-08-24
Classification: A47C

Abstract:
A back pivot arrangement for a chair control mechanism adapted for use in a chair having a seat, a back, and a seat support member, wherein the chair control mechanism includes a base member secured to the seat support member and a seat mounting member pivotally interconnected with the base member, comprising:a back mounting member, wherein the back is adapted to be mounted to the back mounting member; a back pivot connection interposed between the back mounting member and the seat support member; a biasing arrangement interposed between the back mounting member and the seat mounting member for biasing the back forwardly relative to the seat; and a selectively engageable variable position back locking arrangement interposed between the seat mounting member and the back mounting member, wherein the back locking arrangement includes a variable position engagement arrangement, said variable position engagement arrangement comprising a plurality of spaced openings formed in the forward section of the back mounting member, and a movable engagement member movably mounted to the seat support member, wherein engagement of the engagement member within one of the plurality of spaced openings functions to place the variable position engagement arrangement in one of a plurality of engaged positions.