(under subclass 9.1) Motor vehicles in combination with means other than the basic subject matter of subclass 9.1, which includes a flexible track structure, a vehicle frame and motive power and drive means for the flexible track, and not provided for in other subclasses under subclass 9.1.
(1) Note. This subclass includes, for example, jack means for supporting the vehicle frame on the track frame for allowing the removal of the drive sprocket from the apparatus, an automatic track leveling means, a crawler speed indicator, a track heating means, a vehicle hood usable as a trailer, and a means for conducting the engine exhaust gases to the final drive mechanism for the expulsion of dirt and grit therefrom.
