A device for cleaning a grid installed in a channel for circulation of water

摘要

P the invention relates to a device for cleaning a gate installed in a channel for circulation of water, comprising a rake. / p & & p & this device comprises an endless chain 29 or the like passing around return wheels 3, 4 and occupying fixed positions, the chain, which is associated with a guide track 2 fixed, shaped, along which the pivoting axis 15 of the arm 8 of the rake is fixed on the chain can move in forming a lever with two branches; according to the present invention, the arm in the form of a single piece occupies with respect to the median plane of the section of the channel 31 an eccentric position, whereas the bearing point of the rack 8 on the guide track is located in this plane. / p & & p & application to the purification of waste water. / p