Patent ID: 8723086

Claim:
A heating device of a portable nature comprising: a head assembly; a hinge coupled to the head assembly; and an arm coupled to the hinge; wherein the head assembly comprises: a heating element; a reflective shield at least partially surrounding the heating element; an external shade at least partially surrounding the reflective shield; a chimney extending at least partially through an upper portion of the external shade, the chimney comprising an external vent and a side port; and an air space between the reflective shield and the external shade, the air space (a) defining a perimeter inlet opening extending around the heating element and (b) communicating with an inside area of the chimney via the side port of the chimney, thereby defining a convective air flow path into the air space via the perimeter inlet opening, through the air space, into the inside area of the chimney via the side port of the chimney, and out of the head assembly via the external vent of the chimney.