BigPatents India

A table top grinder comprises a detachable rotatable drum having a stone base fitted to a central shaft. The shaft is connected mechanically to a prime mover, the said prime mover is mounted adjacently in the same housing. A roller stone assembly consisting of three conical shaped stones each smoothly rotating over the respective shaft and rigidly fixed to the centralised roller frame. The axis of all the three rolling stones are in the same plane. The roller stone assembly is accommodated over the central guide pin located at the centre of the stone base of the drum and beneath the locking arm central slot. When the drum rotates, three rolling stones rotates, the two bottom stone over the base stone surface and third upper stone over the two bottom conical rolling stones.