Patent ID: 6053306
Filing Date: 2000-04-25
Classification: B65G

Abstract:
A curved belt conveyor, comprising: an endless curved belt mounted between rollers or knife edges disposed at both ends of a conveyor to form an approximately circular carrying track in a plan view; a guide roller supporting the inner peripheral edge section of said curved belt from the inside of turning; a driving roller set by inserting between said forward run side and return run side in the outer peripheral section of said curved belt and rotatably supported with the axial center aligned with the reference line extending from the turning center of said curved belt in a plan view towards the outer periphery of said belt; a pinch roller set on the forward run surface of the outer peripheral section of said curved belt to press said curved belt against the outer peripheral surface of said driving roller; and a pinch roller set under the return run side of the outer peripheral section of said curved belt to press said curved belt against the outer peripheral surface of said driving roller; said pinch rollers on the forward run side and the return run side being rotatably supported with the axial center inclined to a predetermined direction with respect to a reference line in a plan view, and contacting to press the outer peripheral section of said curved belt towards the outside of turning when rotated.