SPROCKET DRIVES

摘要

In order to reduce vibration in tracked vehicles operated at relatively high speeds a gear linkage is provided for the sprocket shaft of the sprocket wheel which engages the links of the endless tracks. The gear teeth of the gear linkage are shaped to provide a rate of change of the pressure angle such that the angular velocity ratio of the gear linkage and consequently the tangential velocity component of the sprocket is varied cyclically in a fixed phase relationship with the engagement sequence of the sprocket tooth and track link. This eliminates vibrations resulting from the fluctuating torques produced in the drive line driving the sprocket.