Fireplace grate

Claim 2

A fireplace grate comprising: (a) a first plurality of hollow, parabolic shaped, solid fuel supports having a first focal plane length and being arranged in a rigid side-by-side relationship in a vertical plane, (b) a second plurality of hollow, parabolic shaped, solid fuel supports having a second and shorter focal plane length and being arranged in side-by-side relationship in a vertical plane and interspersed with said first supports whereby said first and second supports define a chamber for receiving and stacking solid fuel in a generally parabolic configuration, and (c) a base support member rigidly maintaining said fuel supports in their side-by-side relationship, and adjusting their height and horizontal position whereby ambient air drawn into said tubes at the bottom thereof will be heated and discharged back into the room being served by said fireplace.

Claim 3

A fireplace grate comprising: (a) a first plurality of horizontally spaced, curved, hollow tubes of substantially parabolic configuration aligned in a side-by-side relationship in a vertical plane and being rigidly assembled to define a forward facing concave cradle structure to be placed in an outwardly facing relation in a fireplace chamber, and (b) a second plurality of horizontally spaced, curved, hollow tubes of substantially parabolic configuration rigidly aligned in a side-by-side relationship in a vertical plane and interspersed between adjacent ones of said first plurality of tubes and having a height less than said first plurality of tubes so as to define a chamber for receiving and stacking fireplace logs in a parabolic configuration whereby heating is concentrated within said parabola formed by said logs to provide improved combustion, heat radiation and heating of ambient air drawn into said tubes at the bottom thereof and discharged back into the room being served by said fireplace.

Claim 4

A fireplace grate comprising: (a) a first plurality of horizontally spaced, curved, hollow tubes of substantially parabolic configuration aligned in a side-by-side relationship in a vertical plane and being rigidly assembled to define a forward facing concave cradle structure to be placed in an outwardly facing relation in a fireplace chamber, and (b) a second plurality of horizontally spaced, curved, hollow tubes of substantially parabolic configuration rigidly aligned in a side-by-side relationship in a vertical plane and interspersed between adjacent ones of said first plurality of tubes and having a height less than said first plurality of tubes so as to define a chamber for receiving and stacking fireplace logs in a parabolic configuration whereby heating is concentrated within said parabola formed by said logs to provide improved combustion, heat radiation and heating of ambient air drawn into said tubes at the bottom thereof and discharged back into the room being served by said fireplace.

Claim 5

A fireplace grate comprising: (a) a first plurality of horizontally spaced, curved, hollow tubes of substantially parabolic configuration aligned in side-by-side relationship in a vertical plane and being rigidly assembled to form a first forward facing, log receiving, concave cradle structure to be placed in an outwardly facing relationship in a fireplace chamber, and (b) a second plurality of horizontally spaced, curved, hollow tubes of substantially parabolic configuration rigidly aligned in a side-by-side relationship in a vertical plane and interspersed between adjacent ones of said first plurality of tubes to define a second concave cradle and being of a height greater than said first plurality of tubes to form a chamber between the heights of said first and second parabolic tubes for receiving and stacking fireplace logs in a parabolic configuration whereby heating is concentrated within said parabola formed by said logs to provide improved combustion, heat radiation and heating of ambient air drawn into said tubes at the bottom thereof and discharged back into the room being served by said fireplace.

Claim 6

A fireplace grate comprising: (a) a first plurality of horizontally spaced, curved, hollow tubes of substantially parabolic configuration aligned in side-by-side relationship in a vertical plane and being rigidly assembled to form a first forward facing, log receiving, concave cradle structure to be placed in an outwardly facing relationship in a fireplace chamber, and (b) a second plurality of horizontally spaced, curved, hollow tubes of substantially parabolic configuration rigidly aligned in a side-by-side relationship in a vertical plane and interspersed between adjacent ones of said first plurality of tubes to define a second concave cradle and being of a height greater than said first plurality of tubes to form a chamber between the heights of said first and second parabolic tubes for receiving and stacking fireplace logs in a parabolic configuration whereby heating is concentrated within said parabola formed by said logs to provide improved combustion, heat radiation and heating of ambient air drawn into said tubes at the bottom thereof and discharged back into the room being served by said fireplace.

Claim 7

A fireplace grate as in claims 1, 2 or 3 wherein said first plurality of hollow tubes passes generally within the parabola formed by said stacked fuel whereby said first plurality of tubes are subjected to maximum heating.