Patent ID: 6840578

Claim:
An inclining chair structure, comprising a stationary support fixed to a top of a main support leg of a chair; a movable support fixed to a lower side of a seat, the movable support being connected with a front end of the stationary support in an angularly displaceable manner at a front end thereof; elastic elements being connected with both of the supports for propping up a rear end of the seat to a higher position, and a mechanism for limiting position of the movable support as well as the seat; the mechanism having an adjustment rod inserted into slots of the movable support as well as holes of the stationary support to be operated in angularly displaceable manner by a user; the mechanism having a gear arranged between an upward side of the stationary support and a downward side of the movable support and turnable together with the adjustment rod; an elastic plate being secured to the upward side of the stationary support to engage the gear to prevent accidental rotation of the gear when the adjustment rod is not actuated; the mechanism having a plurality of eccentric cams arranged next to the gear and turnable together with the adjustment rod; each cam being formed with a stopping edge comprised of a plurality stopping sections for propping up the movable support as well as the seat when one is seated on the chair.