Patent ID: 6905168

Claim:
A seat usable with a stackable folding chair having a main frame including a pair of substantially parallel front legs separated by lower and upper crosspieces, the top crosspiece forming a backrest, each of the front legs having an inner side face and a rear face, a support frame including a pair of substantially parallel back legs separated by upper and lower crosspieces, each of the back legs having inner and outer side faces along with a rear face and being pivotally connected to the front legs by pivot pins, the inner side faces of each of the back legs having a dowel slot, the seat comprising: a body, wherein the body has an upper surface and a lower surface; a rod pivotally connecting the seat to the main frame via a pair of through-holes formed in the seat; and a stacking lip that extends away from the upper surface of the seat body in an orthogonal direction relative thereto to form a substantially right angle shape, the stacking lip including a notch extending substantially across an entire width of the seat body, the stacking lip having a vertical height wherein the notch extends beyond an outer boundary defined by the rear face of either one of the front and back legs when the chair is in a folded position, wherein the lower surface has a uniform and smooth surface area throughout.