Patent ID: 6131726
Filing Date: 2000-10-17
Classification: B65G

Abstract:
A belt steering assembly in a conveyor for centring conveyor belts (5), whereina steering bracket (2) supports at least one steering roller (1) for the conveyor belt (5), which steering bracket (2) is rotatably attached to a first fulcrum (4) whose axis extends perpendicularly to the conveyor belt, and where at a distance (a) in the belt's transport direction (P1) from the first fulcrum (4) via a first rotating joint (17) the steering bracket is connected toa lever arm (6) which extends substantially in the conveyor belt's longitudinal direction, and which at a distance (b) in the belt's transport direction (P1) from the first rotating joint (17) is attached to a second fulcrum (18) whose axis extends perpendicularly to the conveyor belt, and at a distance (c) in the belt's transport direction from the second fulcrum (18) via a second rotating joint (8) is connected toa guide bracket (7) which supports guide rollers (9) arranged to abut against each of the belt's (5) outer sides, for reaction to a lateral displacement (P2) of the conveyor belt, which guide bracket (7) is connected via a third rotating joint (14) toa parallel stay (13) which extends parallel to the lever arm (6) and extends to a third fulcrum (20), whose axis extends perpendicularly to the conveyor belt,characterized in that the ratio between the distance (b) between the first rotating joint (17) and the second fulcrum (18) and the distance (c) between the second fulcrum (18) and the second rotating joint (8) is between 1:5, and that the first, second and third fulcrums are laterally adjustable in relation to the conveyor belt's longitudinal direction, by being fixed to the conveyor by telescopically movable tubes, for lateral adjustment of a neutral position for the conveyor belt.