CONVEYOR WORKING MEMBER TENSIONER Russian patent published in 2000 - IPC

FIELD: industrial transportation systems; conveyor tensioners. SUBSTANCE: proposed method comes to maintaining preset tensioning by means of flexible element in contact with pulleys, element being connected with tensioning drum and which. Flexible element is passed in direction of its longitudinal axis with change of element-to-pulley contact zones by value exceeding value of deformation of sections of flexible element of pulleys. Additional length of flexible element is provided for subsequent passing of the latter. EFFECT: increased service life of flexible element.