Patent ID: 7017992

Claim:
A chair control device for a tiltable chair, said chair control device comprising a) a one piece integral structure casted mainframe housing comprising an integral extension for a seat locking cam means; b) a means to affix the one piece integral structure mainframe housing to a seat portion of the tiltable chair; and c) a seat locking cam means to control the amount of tilt in a specific range by locking the seat, said locking cam means comprising i. a first clutch means to control the tilt function to lock the tilt into position; and ii. a first adjustment means affixed to the locking cam clutch means d) a tension control means to control the resistance to the tilt motion comprising i. an elongated means having a first end attached to the mainframe and a second end attached to a second adjustment means; ii. a third adjustment means affixed to the second end of the elongated means; iii. a compression spring inserted on the shaft of the bolt between the adjustment means and the mainframe, wherein the tension control means is adapted to control the tension of a helical spring.