Patent ID: 6033043
Filing Date: 2000-03-07
Classification: B62D

Abstract:
A crawler type drive apparatus including a truck frame having a pair of side frames located at opposite lateral sides of a center frame, first and second brackets provided at the front and rear ends of each side frame for supporting a drive sprocket and an idler wheel or vice versa, and a crawler belt endlessly wrapped around said drive sprocket and idler wheel, characterized in that said crawler type drive apparatus comprises:each bracket for said drive sprocket, being constituted by a mount plate for mounting a drive mechanism for said drive sprocket and a reinforcing plate located around an outer periphery of said mount plate, and securely fixed to an end of each said side frame through a connecting end plate; anda crawler belt support block provided on a top of said reinforcing plate at a position forward of said connecting end plate and in the proximity of a lateral side of said drive sprocket, said crawler belt support block being provided with a crawler belt sliding surface on an upper side thereof for sliding contact with said crawler belt.