Patent ID: 6557953
Filing Date: 2003-05-06
Classification: B62D

Abstract:
A track apparatus including a continuous flexible track having upper and lower lengths and an inner surface; a frame; a drive wheel structure rotatably mounted with respect to the frame and having an upper circumferential portion engaging the inner surface of the flexible track along the upper length and a tower circumferential portion spaced above the lower track length; and an idler assembly connected to the frame and having an idler wheel engaging the track, the improvement wherein:the frame includes first and second side portions defining a drive wheel receipt well therebetween for receiving the drive wheel; the first and second side portions include leading apertures therethrough and trailing apertures therethrough such that the leading apertures are in axial alignment with each other and the trailing apertures are in axial alignment with each other, the leading apertures adapted to mount a pair of aligned wheels, the aligned wheels defining an inter-wheel space; and the first and second side portions are interconnected by a rigid leading cross-member extending between the first side portion adjacent to the leading aperture therein and the second side portion adjacent to the leading aperture therein and positioned in the inter-wheel space.