BigPatents India

- In the present invention there is provided an equipment for collecting an unbiased coal sample from open railway wagons for quality analysis, which has a cylindrical capsule having circumferential teeth for taking out a sample core from a loaded wagon. The coal cutting teeth fixed at the bottom circumference of the capsule is given rotational as well transnational motion by a motor and gearbox arrangement. The whole sample-collecting unit is fixed on a platform, which is meant for giving the angular motion for taking out the coal sample.