Patent ID: 7004304
Filing Date: 2006-02-28
Classification: B65G

Abstract:
1. A scalper blade assembly for use with a belt conveyor, the assembly comprising: an elongate blade support member supported for rotation about an elongate axis of the blade support member; at least one scalper blade supported on the blade support member for engagement with a conveyor belt; a blade tension adjustment assembly connected to the blade support member for controlling rotation of the blade support member about the elongate axis, the adjustment assembly including a first element providing ratchet movement in a first, tensioning direction, and preventing movement in a second, opposite direction to locate the blade support member in a selected position, and a second element for locking the blade support member in the selected position; and where the first element comprises a gear connected to the blade support member, and a pawl member biased into engagement with the gear, and the second element comprises an element moveable independently of the pawl member for engaging the gear in locking engagement preventing rotation of the blade support member from the selected position.