Patent attributes
A cutting board, including retaining holes in a side surface thereof, each retaining hole including a screw hole at an end side of the retaining hole and a first fitting portion at an opening side of the retaining hole; projecting rods inserted into the retaining holes each include a cylindrical second fitting portion and a threaded portion to be screwed onto the screw hole with ends of the second fitting portion projecting from the side surface of the cutting board; a remaining portion of each first fitting portion is fit into the fitting portion of each retaining hole; each projecting rod is pivoted in a forward and reverse direction to allow the threaded portion thereof to move in a left and right direction within the screw hole; the length of each of the projecting portions projecting from the side surface of the cutting board is adjusted to fasten each projecting rod.