Raking equipment for trashracks

Abstract From the Canadian patent

The present invention provides a raking machine for trashracks at turbine intakes, fresh water intakes waste water, purifying plants and similar said raking machine comprising a, rake arm being vertically displaceable along the trashrack said rake arm being supported by a support which is displaceable, lengthwise of the trashrack wherein the rake arm comprises at, least two tube members being telescopically displaceable in relation to each other and connected to each other by a block means, at which at least one pulley is arranged at the upper end of each tube member and a wire is laid about said pulleys said wire being connected to the support by at least one pulley or a fixed attachment.