Fireplace grate assembly

Claim 1

A fireplace grate assembly comprising: an elongated horizontal base plate adapted to extend across the front, inside, of the floor of a fireplace; a plurality of vertically extending spaced openings through said base plate, including first, second, third, and fourth said openings spaced, in that order, along said plate; a receptacle positioned around each said opening; first and second, side-by-side, U-shaped tubular grates adapted to generally extend horizontally and rearwardly into a fireplace, and each having a pair of down-turned open ends adapted to mate with receptacles of a pair of adjacent said openings; a rear support extending downwardly from a rear portion of each said grate, which support, together with a pair of said down-turned ends, supports a said grate generally horizontally; down-turned ends of said first grate being connected to receptacles around said first and second openings, and said down-turned ends of said second grate being connected to receptacles around said third and fourth openings; first and second air exit pipes, each being adapted to extend downwardly and outwardly to a wall interface outside of the fireplace, one of said pipes being connected to an opening, which in turn is coupled to a said receptacle to an end of one of said grates, and the other of said pipes being connected to a said opening which is coupled by a said receptacle to an end of the other of said grates; and blower means for drawing air from an air space outside of a fireplace and applying it under pressure to openings in said plates not directly connected to said exit pipes; whereby air from a space to be heated is drawn in by said blower means and forced through said grates as heated air exits through said pipes.