Accessory heating device for tractors and similar equipment

Claim 1

An accessory heating device for a tractor and similar equipment mounted onto a forward wall of a radiator housing having a radiator assembly and a fan, which comprises: (a) a heater housing having a base, a rear wall with a large opening therethrough, a pair of sidewalls, a front wall with a large opening therethrough, a top with a hole therethrough, and a chamber therein, wherein one of said sidewalls has a vertically aligned slotted opening therethrough; (b) means for mounting said rear wall of said heater housing against said forward wall of said radiator housing; (c) a filter member insertable through said slotted opening into said chamber; (d) a plurality of vane elements transversely disposed across said opening of said front wall, each said vane elements rotatably disposed within said opening, said plurality of said vane elements extending from a bottom to a top of said opening; (e) means for maintaining said filter element in a vertical alignment within said chamber; (f) means for opening and closing said vane elements within said opening; (g) an annularly shaped sleeve affixed to an upper surface of said top of said heater housing around said hole in said top; and (h) one end of a flexible conduit mounted onto said sleeve member, another end of said flexible conduit adapted to be mounted in a serial fluid connection to an air register disposed in an operator's compartment of said tractor.