Improved machine for separating pebbles, stones and the like from clay

摘要

712,010. Separating solid materials. BUTTERLEY CO., Ltd., and CATCHPOLE, F. June 25, 1953 [June 30, 1952], No. 16382/52. Class 117 In a machine for separating stones from clay a motor a drives a disc f, through belt band gearing the disc bearing freely-revolving pneumatically-tyred wheels h, each of which in turn engages' a trough i, having a grided base j and being yieldably supported on cross members k resting on springs k1. Clay is fed into the trough by conveyer i' and is squeezed through the grid j leaving the stones in the trough to be removed by a sliding scraper n carried by disc f and caused to sweep along the trough i once per revolution by the fixed cam e. The clay is received on a conveyer o. The motor a may also drive a duplicate machine.