B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
B65G 15/60 (2006.01) B65G 39/16 (2006.01)
Patent
CA 2094373
Apparatus is provided herein for correcting lateral misalignment of a conveyor belt. The apparatus includes an idler roller upon which the conveyor belt is adapted to run. The apparatus further includes a base frame. The apparatus further includes a tilt frame having that roller which is rotatably-mounted thereon, the tilt frame being pivotally- mounted to the base frame. The pivotal mounting between the tilt frame and the base frame can provide two degrees of freedom-of-movement between the tilt frame and the base frame. The apparatus further includes slewing means which are operatively associated with the tilt frame and which are responsive to lateral misalignment of the conveyor belt, for causing slewing of the tilt frame and the roller generally about an axis which is substantially- normal to the plane of conveyor belt, thereby to urge the conveyor belt in a direction which is opposite to the misalignment. The slewing means includes an abutment member which is located adjacent to each edge of the conveyor belt, but which is spaced therefrom. The apparatus further includes tilting means which is responsive to the slewing of the tilt frame to cause the tilt frame and the roller to pivot relative to the base frame about an axis which is substantially-parallel to the plane of the conveyor belt further to urge the belt in a direction which is opposite to the misalignment. The tilting means includes cam members which are disposed between the base frame and the tilt frame. Such cam members are configured to cause pivoting of the tilt frame and the idler roller by a camming action with the conveyor belt engaging the abutment member. In this way, the physical urging of an edge of the conveyor belt against abutment member due to misalignment of the belt causes slewing of the tilt frame and the idler roller. This, thereby, corrects the lateral misalignment of the conveyor belt.
Huth Alan
Sundstrom Paul
Borden Ladner Gervais Llp
Flexible Steel Lacing Company
Tasman Engineers Pty. Ltd.
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